{"id":18579,"date":"2026-01-05T09:12:11","date_gmt":"2026-01-05T09:12:11","guid":{"rendered":"https:\/\/tuohaihardware.com\/?p=18579"},"modified":"2026-09-26T08:18:55","modified_gmt":"2026-09-26T08:18:55","slug":"rozdily-v-klicich-retezu-g4-vs-g43-a-typicke-aplikace","status":"publish","type":"post","link":"https:\/\/tuohaihardware.com\/cs\/g4-vs-g43-chain-key-differences-and-typical-applications\/","title":{"rendered":"\u0158et\u011bz G4 vs. G43: Kl\u00ed\u010dov\u00e9 rozd\u00edly a typick\u00e9 aplikace"},"content":{"rendered":"<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18581\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-vs-G43-chain.jpg\" alt=\"\u0158et\u011bzec G4 vs. G43\" width=\"1280\" height=\"600\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-vs-G43-chain.jpg 1280w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-vs-G43-chain-768x360.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-vs-G43-chain-18x8.jpg 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">P\u0159i n\u00e1kupu a ka\u017edodenn\u00edm pou\u017e\u00edv\u00e1n\u00ed se mnoho lid\u00ed pot\u00fdk\u00e1 s ot\u00e1zkou, jak si vybrat mezi \u0159et\u011bzem G4 a \u0159et\u011bzem G43. Oba tyto \u0159et\u011bzy jsou sva\u0159ovan\u00e9 \u0159et\u011bzy st\u0159edn\u00ed a\u017e vysok\u00e9 pevnosti. P\u0159i v\u00fdb\u011bru se snadno zm\u00e1st. Pokud se rozhodnete \u0161patn\u011b, m\u016f\u017ee to nejen v\u00e9st k pl\u00fdtv\u00e1n\u00ed n\u00e1klady, ale tak\u00e9 k ur\u010dit\u00fdm rizik\u016fm p\u0159i pou\u017e\u00edv\u00e1n\u00ed. V tomto \u010dl\u00e1nku spoj\u00edme re\u00e1ln\u00e9 aplikace v r\u016fzn\u00fdch odv\u011btv\u00edch, abychom v\u00e1m pomohli l\u00e9pe pochopit rozd\u00edly a typick\u00fd rozsah pou\u017eit\u00ed \u0159et\u011bz\u016f G4 a G43.<\/span><\/p>\n<h2><strong>Pro\u010d si pleteme \u0159et\u011bz G4 a \u0159et\u011bz G43?<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">\u0158et\u011bzec G4 a <a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/retez-g43\/\" target=\"_blank\" rel=\"noopener\">\u0159et\u011bz G43<\/a>(tak\u00e9 zn\u00e1m\u00fd jako \u201c\u0159et\u011bz t\u0159\u00eddy 43\u201d) se p\u0159i pou\u017e\u00edv\u00e1n\u00ed \u010dasto zam\u011b\u0148uj\u00ed, a to zejm\u00e9na z n\u00e1sleduj\u00edc\u00edch t\u0159\u00ed d\u016fvod\u016f:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"><strong>Prvn\u00ed<\/strong>, \u0158et\u011bz G4 (tak\u00e9 zn\u00e1m\u00fd jako \u201c\u0159et\u011bz G40\u201d nebo \u201c\u0159et\u011bz t\u0159\u00eddy 40\u201d) se v ran\u00fdch severoamerick\u00fdch n\u00e1mo\u0159n\u00edch, pr\u016fmyslov\u00fdch a souvisej\u00edc\u00edch trz\u00edch \u010dasto pou\u017e\u00edval k popisu sva\u0159ovan\u00fdch \u0159et\u011bz\u016f st\u0159edn\u00ed a\u017e vysok\u00e9 pevnosti. S rozvojem syst\u00e9mu jakost\u00ed NACM se objevily jakosti jako G43. N\u00e1zev a sc\u00e9n\u00e1\u0159e pou\u017eit\u00ed G43 jsou velmi bl\u00edzk\u00e9 \u0159et\u011bzu G4.<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18585\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-chain-in-marine-related-industries.jpg\" alt=\"\u0158et\u011bzec G4 v odv\u011btv\u00edch souvisej\u00edc\u00edch s n\u00e1mo\u0159nictv\u00edm\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-chain-in-marine-related-industries.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-chain-in-marine-related-industries-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-chain-in-marine-related-industries-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"><strong>Druh\u00fd<\/strong>, Dodavatel\u00e9 sva\u0159ovan\u00fdch \u0159et\u011bz\u016f nemaj\u00ed jednotn\u00fd zp\u016fsob vysv\u011btlov\u00e1n\u00ed jakost\u00ed. N\u011bkte\u0159\u00ed dodavatel\u00e9 se zam\u011b\u0159uj\u00ed na \u010d\u00edslo jakosti, zat\u00edmco jin\u00ed se zam\u011b\u0159uj\u00ed na oborov\u00fd n\u00e1zev \u201cHigh Test\u201d. A High Test Chain je obecn\u00fd n\u00e1zev pro st\u0159edn\u011b a\u017e vysoce pevn\u00e9 sva\u0159ovan\u00e9 \u0159et\u011bzy. To b\u011bhem na\u0161\u00ed komunikace d\u00e1le zp\u016fsobilo zmatek.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"><strong>Posledn\u00ed<\/strong>, V mnoha aplikac\u00edch nen\u00ed t\u0159\u00edda \u0159et\u011bzu striktn\u011b vy\u017eadov\u00e1na. Pokud je spln\u011bn po\u017eadavek na nosnost a neexistuj\u00ed \u017e\u00e1dn\u00e1 regula\u010dn\u00ed omezen\u00ed, lze pou\u017e\u00edt \u0159et\u011bzy G40 i G43. To tak\u00e9 vede k tomu, \u017ee se tyto dv\u011b t\u0159\u00eddy m\u00eds\u00ed a pou\u017e\u00edvaj\u00ed spole\u010dn\u011b v ka\u017edodenn\u00ed pr\u00e1ci.<\/span><\/li>\n<\/ul>\n<h2>Jak\u00e9 jsou rozd\u00edly mezi \u0159et\u011bzem G4 a \u0159et\u011bzem G43?<\/h2>\n<p><span style=\"font-weight: 400;\">V b\u011b\u017en\u00e9m syst\u00e9mu t\u0159\u00edd sva\u0159ovan\u00fdch \u0159et\u011bz\u016f na trhu jsou G4 a G43 \u010dasto klasifikov\u00e1ny jako \u0159et\u011bzy s vysokou zkou\u0161kou; tyto dv\u011b t\u0159\u00eddy v\u0161ak nejsou stejn\u00e9. Li\u0161\u00ed se v t\u0159\u00edd\u011b, nosnosti (WLL) a zp\u016fsobu pou\u017eit\u00ed. P\u0159i v\u00fdb\u011bru byste m\u011bli t\u011bmto rozd\u00edl\u016fm v\u011bnovat velkou pozornost.<\/span><\/p>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18583\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-chain-vs-G43-chain.jpg\" alt=\"\u0158et\u011bz G4 vs. \u0159et\u011bz G43\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-chain-vs-G43-chain.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-chain-vs-G43-chain-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/G4-chain-vs-G43-chain-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<h4><strong>Rozd\u00edly ve standardu a stupni<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">G4 je ozna\u010den\u00ed pro vysoce odoln\u00fd \u0159et\u011bz, kter\u00e9 se objevilo na d\u0159\u00edv\u011bj\u0161\u00edm trhu se sva\u0159ovan\u00fdmi \u0159et\u011bzy a bylo \u0161iroce pou\u017e\u00edv\u00e1no v ran\u00e9m severoamerick\u00e9m pr\u016fmyslu a v odv\u011btv\u00edch souvisej\u00edc\u00edch s n\u00e1mo\u0159nictv\u00edm.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G43 je jasn\u011bj\u0161\u00ed a b\u011b\u017en\u011bj\u0161\u00ed ozna\u010den\u00ed stupn\u011b v syst\u00e9mu NACM.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Na sou\u010dasn\u00e9m trhu se G43 obvykle pou\u017e\u00edv\u00e1 ve specifikac\u00edch pr\u016fmyslov\u00fdch \u0159et\u011bzc\u016f a v prodejn\u00edch nastaven\u00edch, zat\u00edmco G4 se v n\u00e1mo\u0159n\u00edch oblastech \u010dast\u011bji pou\u017e\u00edv\u00e1 jako historick\u00fd n\u00e1zev.<\/span><\/p>\n<h4><strong>Rozd\u00edly v pevnosti a nosnosti (WLL)<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">Pro specifick\u00fd mechanick\u00fd v\u00fdkon plat\u00ed <a href=\"https:\/\/tuohaihardware.com\/cs\/rozdil-mezi-tridami-retezu-a-jak-je-identifikovat\/\">rozd\u00edl mezi<\/a> \u0158et\u011bzy G4 a G43 se vyzna\u010duj\u00ed p\u0159edev\u0161\u00edm maxim\u00e1ln\u00edm pracovn\u00edm zat\u00ed\u017een\u00edm (WLL) a minim\u00e1ln\u00ed pevnost\u00ed v tahu (MBS).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Na p\u0159\u00edkladu b\u011b\u017en\u00fdch velikost\u00ed v syst\u00e9mu NACM pro stejn\u00fd pr\u016fm\u011br a velikost dr\u00e1tu:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G4 je z\u00e1kladn\u00ed t\u0159\u00edda \u0159et\u011bzu High Test. Jeho nosnost je vy\u0161\u0161\u00ed ne\u017e <a href=\"https:\/\/tuohaihardware.com\/cs\/proof-civkovy-retez\/\" target=\"_blank\" rel=\"noopener\">G30 odoln\u00fd c\u00edvkov\u00fd \u0159et\u011bz<\/a>, jako nap\u0159\u00edklad \u0159et\u011bz BBB, a spl\u0148uje mnoho b\u011b\u017en\u00fdch \u00fakol\u016f p\u0159i ta\u017een\u00ed, uvazov\u00e1n\u00ed a zaji\u0161\u0165ov\u00e1n\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0158et\u011bz G43 m\u00e1 vy\u0161\u0161\u00ed nosnost (WLL) a maxim\u00e1ln\u00ed nosnost (MBS) ne\u017e \u0159et\u011bz G4, tak\u017ee zvl\u00e1dne vy\u0161\u0161\u00ed zat\u00ed\u017een\u00ed a poskytuje v\u011bt\u0161\u00ed bezpe\u010dnostn\u00ed rezervu.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u0158et\u011bz G43 tedy obvykle znamen\u00e1 vy\u0161\u0161\u00ed provozn\u00ed zat\u00ed\u017een\u00ed a vy\u0161\u0161\u00ed mezn\u00ed zat\u00ed\u017een\u00ed ne\u017e \u0159et\u011bz G4. \u010casto se pou\u017e\u00edv\u00e1 v prac\u00edch s vy\u0161\u0161\u00edmi bezpe\u010dnostn\u00edmi po\u017eadavky, zat\u00edmco \u0159et\u011bz G4 m\u016f\u017ee spl\u0148ovat b\u011b\u017en\u00e9 aplikace se st\u0159edn\u00ed a\u017e vysokou pevnost\u00ed.<\/span><\/p>\n<h4><strong>Rozd\u00edly v materi\u00e1lu a v\u00fdrobn\u00edm procesu<\/strong><\/h4>\n<ul>\n<li><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Z materi\u00e1ln\u00edho hlediska<\/strong>, \u0158et\u011bzy G4 i G43 jsou vyrobeny ze st\u0159edn\u011b pevn\u00e9 a\u017e vysoce pevn\u00e9 uhl\u00edkov\u00e9 oceli sva\u0159ov\u00e1n\u00edm. Tyto jakosti nelze rozd\u011blit pouze podle typu oceli. Skute\u010dn\u00fd rozd\u00edl spo\u010d\u00edv\u00e1 v po\u017eadavc\u00edch na kontrolu stabiln\u00edho v\u00fdkonu materi\u00e1lu a konzistence mezi jednotliv\u00fdmi \u0161ar\u017eemi.<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>P\u0159i sva\u0159ov\u00e1n\u00ed a tv\u00e1\u0159en\u00ed<\/strong>, \u0158et\u011bz G4 spl\u0148uje p\u0159edev\u0161\u00edm z\u00e1kladn\u00ed po\u017eadavky na pevnost sva\u0159ov\u00e1n\u00ed a toleranci. \u0158et\u011bz G43 m\u00e1 p\u0159\u00edsn\u011bj\u0161\u00ed po\u017eadavky na kvalitu svaru, toleranci rozm\u011br\u016f a konzistenci \u010dl\u00e1nk\u016f, aby byl zaji\u0161t\u011bn jeho spolehliv\u00fd v\u00fdkon i p\u0159i vysok\u00e9m zat\u00ed\u017een\u00ed.<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400;\"><strong>P\u0159i tepeln\u00e9m zpracov\u00e1n\u00ed<\/strong>, Mezi t\u011bmito dv\u011bma typy \u0159et\u011bz\u016f je tak\u00e9 jasn\u00fd rozd\u00edl. Hlavn\u00edm c\u00edlem tepeln\u00e9ho zpracov\u00e1n\u00ed \u0159et\u011bzu G4 je spln\u011bn\u00ed po\u017eadavku na jmenovitou pevnost. U \u0159et\u011bzu G43 je pro dosa\u017een\u00ed vy\u0161\u0161\u00ed pevnosti a hou\u017eevnatosti nutn\u00fd p\u0159esn\u011bj\u0161\u00ed proces tepeln\u00e9ho zpracov\u00e1n\u00ed. To mu pom\u00e1h\u00e1 zvl\u00e1dat vy\u0161\u0161\u00ed zat\u00ed\u017een\u00ed a r\u00e1zov\u00e9 podm\u00ednky a pom\u00e1h\u00e1 p\u0159edch\u00e1zet po\u0161kozen\u00ed a deformaci p\u0159i dlouhodob\u00e9m pou\u017e\u00edv\u00e1n\u00ed v d\u016fsledku \u00fanavy kovu a lok\u00e1ln\u00ed koncentrace nap\u011bt\u00ed.<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18584\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-heat-treatment.jpg\" alt=\"tepeln\u00e9 zpracov\u00e1n\u00ed ocelov\u00fdch \u0159et\u011bz\u016f\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-heat-treatment.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-heat-treatment-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-heat-treatment-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">V kone\u010dn\u00fdch po\u017eadavc\u00edch na testov\u00e1n\u00ed je rozd\u00edl mezi \u0159et\u011bzy G4 a G43 nejv\u00fdrazn\u011bj\u0161\u00ed. Podle syst\u00e9mu t\u0159\u00edd\u011bn\u00ed NACM jsou po\u017eadovan\u00e1 minim\u00e1ln\u00ed pevnost v tahu (MBS) a mezn\u00ed pracovn\u00ed zat\u00ed\u017een\u00ed (WLL) pro \u0159et\u011bzy G43 vy\u0161\u0161\u00ed ne\u017e pro \u0159et\u011bzy G4. To se m\u016f\u017ee p\u0159\u00edmo projevit v \u00fadaj\u00edch o WLL ve specifika\u010dn\u00edm listu.<\/span><\/p>\n<h2><strong>G4 vs. G43: Rozd\u00edly v typick\u00fdch aplikac\u00edch<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">P\u0159i n\u00e1kupu nebo pou\u017e\u00edv\u00e1n\u00ed sva\u0159ovan\u00e9ho \u0159et\u011bzu byste se nem\u011bli zam\u011b\u0159it na to, kter\u00e1 t\u0159\u00edda je vy\u0161\u0161\u00ed, ale na po\u017eadavky va\u0161\u00ed aplikace na zat\u00ed\u017een\u00ed, bezpe\u010dnost a to, zda je zat\u00ed\u017een\u00ed dlouhodob\u00e9. V r\u016fzn\u00fdch sc\u00e9n\u00e1\u0159\u00edch a pracovn\u00edch podm\u00ednk\u00e1ch jsou rozd\u00edly mezi \u0159et\u011bzy G4 a G43 velmi z\u0159ejm\u00e9.<\/span><\/p>\n<h4><strong>Pr\u016fmyslov\u00e9 upevn\u011bn\u00ed a zaji\u0161t\u011bn\u00ed n\u00e1kladu (mimo DOT \/ mimo d\u00e1lni\u010dn\u00ed prost\u0159ed\u00ed)<\/strong><\/h4>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18586\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/Industrial-Tie-Down-and-Load-Securing.jpg\" alt=\"Pr\u016fmyslov\u00e9 upev\u0148ov\u00e1n\u00ed a zaji\u0161t\u011bn\u00ed n\u00e1kladu\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/Industrial-Tie-Down-and-Load-Securing.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/Industrial-Tie-Down-and-Load-Securing-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/Industrial-Tie-Down-and-Load-Securing-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">P\u0159i p\u0159eprav\u011b n\u00e1kladn\u00edch vozidel, zaji\u0161\u0165ov\u00e1n\u00ed za\u0159\u00edzen\u00ed a uvazov\u00e1n\u00ed materi\u00e1lu (v tov\u00e1rn\u00e1ch, na staveni\u0161t\u00edch nebo v jin\u00fdch prost\u0159ed\u00edch mimo silnice) \u0159et\u011bz sn\u00e1\u0161\u00ed st\u00e1l\u00e9 nap\u011bt\u00ed a opakovan\u00e9 nap\u00edn\u00e1n\u00ed a povolov\u00e1n\u00ed. Zat\u00ed\u017een\u00ed je obvykle p\u0159edv\u00eddateln\u00e9, v tomto p\u0159\u00edpad\u011b sta\u010d\u00ed zvolit sva\u0159ovan\u00fd \u0159et\u011bz, jeho\u017e specifikace nosnosti spl\u0148uje skute\u010dn\u00e9 po\u017eadavky na zat\u00ed\u017een\u00ed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pokud je hodnota zat\u00ed\u017een\u00ed jasn\u00e1 a provozn\u00ed podm\u00ednky stabiln\u00ed, m\u016f\u017ee \u0159et\u011bz G4, kter\u00fd spl\u0148uje nosnost WLL, pokr\u00fdt v\u011bt\u0161inu b\u011b\u017en\u00fdch pot\u0159eb pr\u016fmyslov\u00e9ho upevn\u011bn\u00ed.<br \/>\nPokud va\u0161e aplikace vy\u017eaduje vy\u0161\u0161\u00ed nosnost a bezpe\u010dnostn\u00ed rezervu, m\u016f\u017eete zvolit \u0159et\u011bz G43 s vy\u0161\u0161\u00ed nosnost\u00ed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>M\u011blo by b\u00fdt jasn\u011b uvedeno, \u017ee<\/strong>, Podle severoamerick\u00fdch dopravn\u00edch p\u0159edpis\u016f (FMCSA\/DOT 49 CFR \u00a7393) mus\u00ed b\u00fdt pro upevn\u011bn\u00ed n\u00e1kladu nebo p\u0159epravu p\u0159\u00edv\u011bsu v silni\u010dn\u00ed n\u00e1kladn\u00ed doprav\u011b pou\u017eit transportn\u00ed \u0159et\u011bz G70 nebo vy\u0161\u0161\u00ed t\u0159\u00eddy; jinak m\u016f\u017ee vzniknout riziko z hlediska vym\u00e1h\u00e1n\u00ed pr\u00e1va a poji\u0161t\u011bn\u00ed.<\/span><\/p>\n<h4><strong>Odtah, odtah a p\u0159eprava p\u0159\u00edv\u011bsu<\/strong><\/h4>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18587\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-for-Towing-Recovery-and-Trailer.jpg\" alt=\"ocelov\u00fd \u0159et\u011bz pro ta\u017een\u00ed, odtahov\u00e1n\u00ed a p\u0159\u00edv\u011bs\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-for-Towing-Recovery-and-Trailer.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-for-Towing-Recovery-and-Trailer-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-for-Towing-Recovery-and-Trailer-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">P\u0159i odtahov\u00e1n\u00ed vozidel mimo silnice nebo p\u0159i jejich vypro\u0161\u0165ov\u00e1n\u00ed je \u0159et\u011bz obvykle vystaven nestabiln\u00edmu zat\u00ed\u017een\u00ed a r\u00e1z\u016fm. Riziko je vy\u0161\u0161\u00ed ne\u017e u b\u011b\u017en\u00e9ho zaji\u0161t\u011bn\u00ed a upevn\u011bn\u00ed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tak\u017ee p\u0159i ta\u017een\u00ed a odtahov\u00e1n\u00ed byste m\u011bli zvolit \u0159et\u011bz G43 s vy\u0161\u0161\u00ed nosnost\u00ed (WLL) a maxim\u00e1ln\u00ed nosnost\u00ed (MBS). Je lep\u0161\u00ed pro n\u00e1hl\u00e9 vysok\u00e9 zat\u00ed\u017een\u00ed p\u0159i n\u00e1razu a dal\u0161\u00ed nejist\u00e9 pracovn\u00ed podm\u00ednky. V n\u011bkter\u00fdch ta\u017en\u00fdch situac\u00edch s ni\u017e\u0161\u00ed silou a plynulej\u0161\u00edm tahem m\u016f\u017eete pou\u017e\u00edt \u0159et\u011bz G4.<\/span><\/p>\n<p><strong>Pozn\u00e1mka k shod\u011b (severoamerick\u00e1 d\u00e1lni\u010dn\u00ed doprava):<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Pokud prov\u00e1d\u00edte odtahov\u00e9 nebo vypro\u0161\u0165ovac\u00ed pr\u00e1ce na severoamerick\u00fdch ve\u0159ejn\u00fdch komunikac\u00edch, m\u011bli byste pou\u017e\u00edvat transportn\u00ed \u0159et\u011bz G70, kter\u00fd spl\u0148uje p\u0159epravn\u00ed p\u0159edpisy. P\u0159esto\u017ee jsou \u0159et\u011bzy G4 a G43 st\u0159edn\u011b a\u017e vysoce pevn\u00e9 sva\u0159ovan\u00e9 \u0159et\u011bzy, nejsou v severoamerick\u00e9m syst\u00e9mu d\u00e1lni\u010dn\u00ed dopravy uzn\u00e1v\u00e1ny jako transportn\u00ed \u0159et\u011bzy.<\/span><\/p>\n<h4><strong>Zem\u011bd\u011blstv\u00ed a zem\u011bd\u011blsk\u00e9 stroje<\/strong><\/h4>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18588\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-in-Agriculture-and-Farm-Equipment.jpg\" alt=\"ocelov\u00fd \u0159et\u011bz v zem\u011bd\u011blstv\u00ed a zem\u011bd\u011blsk\u00e9 technice\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-in-Agriculture-and-Farm-Equipment.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-in-Agriculture-and-Farm-Equipment-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chain-in-Agriculture-and-Farm-Equipment-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Pokud pou\u017e\u00edv\u00e1te sva\u0159ovan\u00e9 \u0159et\u011bzy v zem\u011bd\u011blstv\u00ed nebo zem\u011bd\u011blsk\u00fdch stroj\u00edch, je t\u0159eba zv\u00e1\u017eit venkovn\u00ed pou\u017eit\u00ed, slo\u017eit\u00e9 prost\u0159ed\u00ed a nejist\u00e9 cykly \u00fadr\u017eby. Z\u00e1rove\u0148 v\u00e1m mohou b\u00fdt d\u016fle\u017eit\u011bj\u0161\u00ed n\u00e1klady.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V b\u011b\u017en\u00fdch zem\u011bd\u011blsk\u00fdch aplikac\u00edch, <a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/zarove-pozinkovany-retez\/\" target=\"_blank\" rel=\"noopener\">\u017e\u00e1rov\u011b pozinkovan\u00fd \u0159et\u011bz G4<\/a> je \u0161iroce pou\u017e\u00edv\u00e1n, proto\u017ee v\u00fdrobn\u00ed proces je vysp\u011bl\u00fd a n\u00e1klady jsou ni\u017e\u0161\u00ed a dok\u00e1\u017ee splnit v\u011bt\u0161inu zem\u011bd\u011blsk\u00fdch pracovn\u00edch podm\u00ednek.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pokud pot\u0159ebujete t\u00e1hnout velk\u00e9 zem\u011bd\u011blsk\u00e9 stroje a po\u017eadavek na ta\u017enou s\u00edlu je vy\u0161\u0161\u00ed, m\u016f\u017eete zvolit \u0159et\u011bz G43, abyste dos\u00e1hli vy\u0161\u0161\u00ed nosnosti a bezpe\u010dnostn\u00ed rezervy.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Vezm\u011bte pros\u00edm na v\u011bdom\u00ed, \u017ee v zem\u011bd\u011blsk\u00e9m prost\u0159ed\u00ed je krom\u011b sklonu a zat\u00ed\u017een\u00ed velmi d\u016fle\u017eit\u00e1 tak\u00e9 povrchov\u00e1 \u00faprava \u0159et\u011bzu, proto\u017ee p\u0159\u00edmo ovliv\u0148uje jeho \u017eivotnost.<\/span><\/p>\n<h4><strong>Mal\u00e9 lod\u011b a kotven\u00ed neklasifikovan\u00fdch plavidel<\/strong><\/h4>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18589\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chains-for-Small-Vessels-and-Non-class-Anchoring.jpg\" alt=\"ocelov\u00e9 \u0159et\u011bzy pro mal\u00e1 plavidla a kotven\u00ed net\u0159\u00eddn\u00edch lod\u00ed\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chains-for-Small-Vessels-and-Non-class-Anchoring.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chains-for-Small-Vessels-and-Non-class-Anchoring-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chains-for-Small-Vessels-and-Non-class-Anchoring-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">V kotven\u00ed mal\u00fdch plavidel nebo v kotevn\u00edch syst\u00e9mech jin\u00fdch t\u0159\u00edd si m\u016f\u017eete vybrat \u0159et\u011bz G4 nebo G43. V t\u011bchto aplikac\u00edch jin\u00fdch t\u0159\u00edd je d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e to, zda je \u0159et\u011bz t\u0159\u00eddy G4 nebo G43, shoda s navij\u00e1kem a \u0159et\u011bzov\u00fdm kolem a povrchov\u00e1 \u00faprava (nap\u0159\u00edklad \u017e\u00e1rov\u011b zinkovan\u00fd).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Krom\u011b toho, pokud m\u00e1te vy\u0161\u0161\u00ed po\u017eadavky na kotevn\u00ed zat\u00ed\u017een\u00ed, m\u016f\u017eete zvolit \u0159et\u011bz G43. Pokud se jedn\u00e1 o b\u011b\u017en\u00e9 mal\u00e9 plavidlo, je obvykle vhodn\u011bj\u0161\u00ed \u0159et\u011bz G4.<\/span><\/p>\n<h2><strong>\u010cast\u00e9 chyby p\u0159i v\u00fdb\u011bru mezi \u0159et\u011bzy G4 a G43<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">T\u0159\u00eddy \u0159et\u011bz\u016f G4 a G43 nejsou slo\u017eit\u00e9. P\u0159i skute\u010dn\u00e9m n\u00e1kupu a pou\u017e\u00edv\u00e1n\u00ed si je v\u0161ak lid\u00e9 \u010dasto pletou, proto\u017ee maj\u00ed ur\u010dit\u00e9 b\u011b\u017en\u00e9 nedorozum\u011bn\u00ed v tom, jak mysl\u00ed a posuzuj\u00ed. N\u00e1sleduj\u00edc\u00ed situace jsou velmi b\u011b\u017en\u00e9 ve v\u011bt\u0161in\u011b odv\u011btv\u00ed.<\/span><\/p>\n<h4><strong>Vy\u0161\u0161\u00ed stupe\u0148 je lep\u0161\u00ed<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">\u010castou chybou je posuzovat pouze podle t\u0159\u00eddy a domn\u00edvat se, \u017ee \u0159et\u011bz G43 mus\u00ed b\u00fdt lep\u0161\u00ed ne\u017e \u0159et\u011bz G4. Ve skute\u010dnosti, pokud je va\u0161e po\u017eadovan\u00e1 z\u00e1t\u011b\u017e velmi jasn\u00e1 a stabiln\u00ed, pou\u017eit\u00ed sva\u0159ovan\u00e9ho \u0159et\u011bzu vy\u0161\u0161\u00ed t\u0159\u00eddy nep\u0159inese \u017e\u00e1dn\u00e9 zlep\u0161en\u00ed bezpe\u010dnosti; m\u016f\u017ee pouze zv\u00fd\u0161it n\u00e1klady.<br \/>\n<\/span><span style=\"font-weight: 400;\">Tak\u017ee p\u0159i porovn\u00e1n\u00ed \u0159et\u011bz\u016f G4 a G43 nen\u00ed kl\u00ed\u010dov\u00e9, kter\u00e1 t\u0159\u00edda je vy\u0161\u0161\u00ed, ale zda odpov\u00edd\u00e1 va\u0161im pot\u0159eb\u00e1m.<\/span><\/p>\n<h4><strong>Pouze pohled na cenu a ignorov\u00e1n\u00ed pot\u0159eb zat\u00ed\u017een\u00ed<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">Dal\u0161\u00ed \u010dastou chybou je pou\u017eit\u00ed ceny jako jedin\u00e9ho standardu. Pokud si \u0159et\u011bzy G4 a G43 vypadaj\u00ed podobn\u011b co do velikosti a tvaru, je snadn\u00e9 vybrat levn\u011bj\u0161\u00ed a ignorovat po\u017eadovanou nosnost. P\u0159i pou\u017e\u00edv\u00e1n\u00ed m\u016f\u017ee \u0159et\u011bz dlouho z\u016fstat bl\u00edzko mezn\u00edho zat\u00ed\u017een\u00ed, co\u017e p\u0159edstavuje bezpe\u010dnostn\u00ed riziko.<\/span><\/p>\n<h4><strong>Ignorov\u00e1n\u00ed shody tvarovek<\/strong><\/h4>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18590\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chains-with-hook.jpg\" alt=\"ocelov\u00e9 \u0159et\u011bzy s h\u00e1kem\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chains-with-hook.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chains-with-hook-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/steel-chains-with-hook-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">P\u0159i n\u00e1kupu nebo v\u00fdb\u011bru \u0159et\u011bzu mohou lid\u00e9 n\u011bkdy ignorovat p\u0159\u00edslu\u0161enstv\u00ed, jako jsou h\u00e1ky, z\u00e1v\u011bsy a spojky. Pokud nosnost t\u011bchto p\u0159\u00edslu\u0161enstv\u00ed neodpov\u00edd\u00e1 zvolen\u00e9mu \u0159et\u011bzu, celkov\u00e1 nosnost bude omezena nejslab\u0161\u00ed \u010d\u00e1st\u00ed. To m\u016f\u017ee p\u0159edstavovat nebezpe\u010d\u00ed, nap\u0159\u00edklad zlomen\u00ed b\u011bhem pou\u017e\u00edv\u00e1n\u00ed.<\/span><\/p>\n<h4><strong>Pou\u017eit\u00ed \u0159et\u011bzu G4 nebo G43 jako zvedac\u00edho \u0159et\u011bzu<\/strong><\/h4>\n<p><a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18591\" src=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/g80-lifting-chain.jpg\" alt=\"zvedac\u00ed \u0159et\u011bz g80\" width=\"1200\" height=\"550\" srcset=\"https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/g80-lifting-chain.jpg 1200w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/g80-lifting-chain-768x352.jpg 768w, https:\/\/tuohaihardware.com\/wp-content\/uploads\/2026\/01\/g80-lifting-chain-18x8.jpg 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Toto je jedna z nejsnadn\u011bj\u0161\u00edch chyb, kter\u00e9 lze p\u0159ehl\u00e9dnout, a z\u00e1rove\u0148 jedna z nejrizikov\u011bj\u0161\u00edch nedorozum\u011bn\u00ed.<br \/>\n<\/span><span style=\"font-weight: 400;\">\u0158et\u011bzy G4 a G43 jsou sva\u0159ovan\u00e9 \u0159et\u011bzy st\u0159edn\u00ed a\u017e vysok\u00e9 pevnosti. P\u0159i zved\u00e1n\u00ed t\u011b\u017ek\u00fdch b\u0159emen nad hlavou v\u0161ak tyto \u0159et\u011bzy nemohou nahradit zdvihac\u00ed \u0159et\u011bz. M\u011bli byste pou\u017e\u00edvat <a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/retez-g80\/\" target=\"_blank\" rel=\"noopener\">Zvedac\u00ed \u0159et\u011bz G80<\/a> nebo \u0159et\u011bz vy\u0161\u0161\u00ed t\u0159\u00eddy, kter\u00fd spl\u0148uje pr\u016fmyslov\u00e1 pravidla. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b m\u016f\u017ee doj\u00edt k v\u00e1\u017en\u00fdm bezpe\u010dnostn\u00edm rizik\u016fm.<\/span><\/p>\n<h2><strong>Shrnut\u00ed<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Celkov\u011b vzato pat\u0159\u00ed \u0159et\u011bzy G4 i G43 do \u0159ady High Test Chain, ale v syst\u00e9mu jakost\u00ed NACM se jedn\u00e1 o r\u016fzn\u00e9 jakosti s r\u016fznou nosnost\u00ed a po\u017eadavky na testov\u00e1n\u00ed. V re\u00e1ln\u00e9m pou\u017eit\u00ed jsou kl\u00ed\u010dov\u00e9 va\u0161e pracovn\u00ed podm\u00ednky a pot\u0159eby zat\u00ed\u017een\u00ed, nikoli to, kter\u00e1 jakost je \u201cvy\u0161\u0161\u00ed\u201d. Pouze tehdy, kdy\u017e tomuto rozd\u00edlu porozum\u00edte, se m\u016f\u017eete vyhnout nejasnostem a pot\u00e9 si vybrat nejvhodn\u011bj\u0161\u00ed sva\u0159ovan\u00fd \u0159et\u011bz mezi \u0159et\u011bzy G4 a G43.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Pokud m\u00e1te dal\u0161\u00ed ot\u00e1zky ohledn\u011b \u0159et\u011bzu G4 vs. \u0159et\u011bzu G43, nev\u00e1hejte se na n\u00e1s obr\u00e1tit. <a href=\"https:\/\/tuohaihardware.com\/cs\/kontaktujte-nas\/\" target=\"_blank\" rel=\"noopener\">Kontakt Tuohai<\/a>. Na\u0161i techni\u010dt\u00ed in\u017een\u00fd\u0159i v\u00e1m mohou poskytnout komplexn\u00ed \u0159e\u0161en\u00ed pro vysoce testovan\u00e9 \u0159et\u011bzy a pomoci v\u00e1m s v\u00fdb\u011brem nejlep\u0161\u00ed volby.<\/span><\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<h2><\/h2>\n<h2><strong>Nej\u010dast\u011bj\u0161\u00ed dotazy<\/strong><\/h2>\n<h6><strong>Jsou \u0159et\u011bzy G4, G40, High Test a HT stejn\u00e9 sva\u0159ovan\u00e9 \u0159et\u011bzy?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Nejsou \u00fapln\u011b stejn\u00e9. Rozd\u00edly jsou:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0158et\u011bz G4 je b\u011b\u017en\u00fd n\u00e1zev pro \u0159et\u011bzy High Test na ran\u00e9m severoamerick\u00e9m trhu.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G43 je p\u0159ehledn\u011bj\u0161\u00ed a \u0161iroce pou\u017e\u00edvan\u00e9 ozna\u010den\u00ed stupn\u011b v syst\u00e9mu NACM.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0158et\u011bz High Test nebo HT je obecn\u00fd n\u00e1zev v oboru, obvykle ozna\u010duj\u00edc\u00ed tento typ sva\u0159ovan\u00e9ho \u0159et\u011bzu se st\u0159edn\u00ed a\u017e vysokou pevnost\u00ed.<\/span><\/li>\n<\/ul>\n<h6><strong>\u0158\u00edd\u00ed se G4 \/ G43 normami ISO?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Samotn\u00e9 G4 a G43 nejsou jakostmi definovan\u00fdmi normou ISO.<br \/>\n<\/span><span style=\"font-weight: 400;\">G4 a G43 jsou klasifikace jakost\u00ed v syst\u00e9mu NACM a pat\u0159\u00ed do syst\u00e9mu jakost\u00ed sva\u0159ovan\u00fdch \u0159et\u011bz\u016f b\u011b\u017en\u011b pou\u017e\u00edvan\u00e9ho v Severn\u00ed Americe.<br \/>\n<\/span><span style=\"font-weight: 400;\">V re\u00e1ln\u00e9 v\u00fdrob\u011b a testov\u00e1n\u00ed se materi\u00e1l, velikost a zku\u0161ebn\u00ed metody mohou vztahovat k norm\u00e1m ISO nebo ASTM, ale samotn\u00e9 n\u00e1zvy jakost\u00ed neodpov\u00eddaj\u00ed norm\u00e1m ISO.<\/span><\/p>\n<h6><strong>Jsou rozm\u011bry G4 a G43 stejn\u00e9? Lze je pou\u017e\u00edt jako n\u00e1hradu?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">P\u0159i stejn\u00e9 tlou\u0161\u0165ce a pr\u016fm\u011bru dr\u00e1tu jsou rozm\u011bry G4 a G43 obvykle stejn\u00e9. Velikost v\u0161ak nen\u00ed jedin\u00fdm faktorem pro v\u00fdm\u011bnu. D\u016fle\u017eit\u011bj\u0161\u00edm faktorem je nosnost (WLL).<br \/>\n<\/span><span style=\"font-weight: 400;\">Pokud je po\u017eadovan\u00e1 nosnost va\u0161\u00ed pr\u00e1ce v\u00fdrazn\u011b ni\u017e\u0161\u00ed ne\u017e G4, m\u016f\u017eete m\u00edsto G43 pou\u017e\u00edt \u0159et\u011bz G4 stejn\u00e9 velikosti. Jinak to p\u0159edstavuje bezpe\u010dnostn\u00ed riziko.<\/span><\/p>\n<h6><strong>Je velk\u00fd rozd\u00edl v nosnosti mezi \u0159et\u011bzy G4 a G43?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">V syst\u00e9mu NACM, pokud je pr\u016fm\u011br dr\u00e1tu stejn\u00fd, m\u00e1 \u0159et\u011bz G43 vy\u0161\u0161\u00ed nosnost (WLL) a maxim\u00e1ln\u00ed nosnost (MBS) ne\u017e \u0159et\u011bz G4 a p\u0159esn\u00fd rozd\u00edl se m\u011bn\u00ed s velikost\u00ed. Toto je jeden z hlavn\u00edch rozd\u00edl\u016f mezi \u0159et\u011bzem G4 a \u0159et\u011bzem G43.<\/span><\/p>\n<h6><strong>Maj\u00ed G4 a G43 pevn\u00fd bezpe\u010dnostn\u00ed faktor?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">G4 a G43 nemaj\u00ed pevn\u00fd bezpe\u010dnostn\u00ed faktor.<br \/>\n<\/span><span style=\"font-weight: 400;\">V syst\u00e9mu NACM z\u00e1vis\u00ed sou\u010dinitel bezpe\u010dnosti na vztahu mezi nosnost\u00ed WLL a nosnost\u00ed MBS. Hodnota by m\u011bla b\u00fdt zalo\u017eena na specifika\u010dn\u00ed tabulce a skute\u010dn\u00fdch zku\u0161ebn\u00edch datech poskytnut\u00fdch v\u00fdrobci sva\u0159ovan\u00fdch \u0159et\u011bz\u016f. Nem\u011bla by b\u00fdt posuzov\u00e1na pouze podle jednoho pevn\u00e9ho multiplik\u00e1toru.<\/span><\/p>\n<h6><strong>Pro\u010d se parametry G4 \/ G43 u r\u016fzn\u00fdch dodavatel\u016f li\u0161\u00ed?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Hlavn\u00ed d\u016fvody jsou:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Mezi r\u016fzn\u00fdmi v\u00fdrobci existuj\u00ed rozd\u00edly ve v\u00fdrobn\u00edch procesech a zku\u0161ebn\u00edch metod\u00e1ch.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">R\u016fzn\u00ed v\u00fdrobci pou\u017e\u00edvaj\u00ed p\u0159i v\u00fdrob\u011b r\u016fzn\u00e9 toleran\u010dn\u00ed normy. Nap\u0159\u00edklad n\u011bkte\u0159\u00ed dodr\u017euj\u00ed pouze minim\u00e1ln\u00ed po\u017eadavky, zat\u00edmco jin\u00ed normy striktn\u011b dodr\u017euj\u00ed.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Pokud je t\u0159\u00edda \u0159et\u011bzu jasn\u011b ozna\u010dena a kl\u00ed\u010dov\u00e9 parametry (jako je nosnost WLL a MBS) spl\u0148uj\u00ed po\u017eadavky dan\u00e9 t\u0159\u00eddy, m\u016f\u017eete nakupovat s d\u016fv\u011brou. Mal\u00e9 rozd\u00edly v parametrech mezi v\u00fdrobci jsou b\u011b\u017en\u00e9.<\/span><\/p>\n<h6><strong>Lze pou\u017e\u00edt \u0159et\u011bzy G4 a G43 spole\u010dn\u011b?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Nedoporu\u010duje se je p\u0159i pou\u017eit\u00ed m\u00edchat.<br \/>\n<\/span><span style=\"font-weight: 400;\">Nosnost cel\u00e9ho syst\u00e9mu je v\u017edy ur\u010dena d\u00edlem s nejni\u017e\u0161\u00ed nosnost\u00ed. Pokud je sm\u00edch\u00e1te, je snadn\u00e9 se \u0161patn\u011b odhadnout a vytvo\u0159it riziko.<\/span><\/p>\n<h6><strong>Mohu pou\u017e\u00edt siln\u011bj\u0161\u00ed \u0159et\u011bz jako n\u00e1hradu za \u0159et\u011bz vy\u0161\u0161\u00ed t\u0159\u00eddy?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Siln\u011bj\u0161\u00ed pr\u016fm\u011br dr\u00e1tu neznamen\u00e1 vy\u0161\u0161\u00ed jakost. Jakost \u0159et\u011bzu z\u00e1vis\u00ed nejen na velikosti, ale tak\u00e9 na vlastnostech materi\u00e1lu a v\u00fdrobn\u00edm procesu, mimo jin\u00e9 faktory. Nem\u016f\u017eete se rozhodovat pouze podle siln\u011bj\u0161\u00edho pr\u016fm\u011bru. Mus\u00edte se rozhodnout na z\u00e1klad\u011b nosnosti a skute\u010dn\u00fdch pracovn\u00edch podm\u00ednek.<\/span><\/p>\n<h6><strong>Je G43 v\u017edy lep\u0161\u00ed ne\u017e G4 p\u0159i ta\u017een\u00ed nebo odtahu?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Ne v\u017edycky.<br \/>\n<\/span><span style=\"font-weight: 400;\">G43 je vhodn\u00fd pro ta\u017een\u00ed nebo vypro\u0161\u0165ov\u00e1n\u00ed s n\u00e1razov\u00fdm zat\u00ed\u017een\u00edm a neur\u010dit\u00fdmi silami.<br \/>\n<\/span><span style=\"font-weight: 400;\">P\u0159i stabiln\u00edm ta\u017een\u00ed s voln\u00fdm zat\u00ed\u017een\u00edm, pokud nosnost \u0159et\u011bzu G4 spl\u0148uje po\u017eadavek, m\u016f\u017eete pou\u017e\u00edt tak\u00e9 \u0159et\u011bz G4.<\/span><\/p>\n<h6><strong>Pro\u010d nemohou G4 \/ G43 nahradit G70 pro d\u00e1lni\u010dn\u00ed dopravu, i kdy\u017e jsou siln\u00e9?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Nejde o s\u00edlu. Jde o p\u0159edpisy.<br \/>\n<\/span><span style=\"font-weight: 400;\">V severoamerick\u00e9m syst\u00e9mu d\u00e1lni\u010dn\u00ed dopravy (FMCSA \/ DOT 49 CFR \u00a7393) mus\u00ed b\u00fdt pro zaji\u0161t\u011bn\u00ed n\u00e1kladu na ve\u0159ejn\u00fdch komunikac\u00edch pou\u017eito <a href=\"https:\/\/tuohaihardware.com\/cs\/prepravni-retezec-g70\/\" target=\"_blank\" rel=\"noopener\">P\u0159epravn\u00ed \u0159et\u011bz G70<\/a> nebo vy\u0161\u0161\u00ed stupe\u0148, kter\u00fd pravidlo uzn\u00e1v\u00e1. Tak\u017ee i kdy\u017e jsou G4 a G43 dostate\u010dn\u011b siln\u00e9, st\u00e1le se nepova\u017euj\u00ed za vyhovuj\u00edc\u00ed mo\u017enosti.<\/span><\/p>\n<h6><strong>Lze \u0159et\u011bzy G4\/G43 pou\u017e\u00edt pro zved\u00e1n\u00ed nad hlavou?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">\u017d\u00e1dn\u00fd.<br \/>\n<\/span><span style=\"font-weight: 400;\">\u0158et\u011bzy G4 a G43 nejsou povoleny pro zved\u00e1n\u00ed nad hlavou. M\u011bli byste pou\u017e\u00edt zvedac\u00ed \u0159et\u011bz G80 nebo zvedac\u00ed \u0159et\u011bz vy\u0161\u0161\u00ed t\u0159\u00eddy, kter\u00fd spl\u0148uje p\u0159edpisy, jinak by mohlo doj\u00edt k v\u00e1\u017en\u00e9mu bezpe\u010dnostn\u00edmu riziku.<\/span><\/p>\n<h6><strong>Co je odoln\u011bj\u0161\u00ed, G4 nebo G43? Je v \u017eivotnosti velk\u00fd rozd\u00edl?<\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Trvanlivost sva\u0159ovan\u00fdch \u0159et\u011bz\u016f nen\u00ed ur\u010dena pouze jakost\u00ed. \u017divotnost a trvanlivost z\u00e1vis\u00ed p\u0159edev\u0161\u00edm na:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Povrchov\u00e1 \u00faprava, jako je \u017e\u00e1rov\u00e9 zinkov\u00e1n\u00ed, galvanick\u00e9 zinkov\u00e1n\u00ed, pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed atd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pou\u017e\u00edvejte v prost\u0159ed\u00ed, jako je vlhkost a koroze<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Podm\u00ednky pou\u017eit\u00ed, jako je opot\u0159eben\u00ed, dlouhodob\u00e9 zat\u00ed\u017een\u00ed bl\u00edzk\u00e9 nosnosti a \u010dast\u00e9 r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed<\/span><\/li>\n<\/ul>\n<h6><strong>\u00a0<span style=\"font-size: 16px;\">Je \u010dast\u011bj\u0161\u00ed G4 nebo G43?\u00a0<\/span><span style=\"font-size: 16px;\">v zem\u011bd\u011blstv\u00ed nebo kotven\u00ed mal\u00fdch plavidel<\/span><span style=\"font-size: 16px;\">?<\/span><\/strong><\/h6>\n<p><span style=\"font-weight: 400;\">Oba jsou b\u011b\u017en\u00e9.<br \/>\n<\/span><span style=\"font-weight: 400;\">\u0158et\u011bzec G4 se pou\u017e\u00edv\u00e1 \u010dast\u011bji, proto\u017ee proces je vysp\u011blej\u0161\u00ed a n\u00e1klady ni\u017e\u0161\u00ed.<br \/>\n<\/span>Pokud je zat\u00ed\u017een\u00ed vy\u0161\u0161\u00ed a vy\u017eaduje v\u011bt\u0161\u00ed bezpe\u010dnostn\u00ed rezervu, m\u016f\u017eete zvolit \u0159et\u011bz G43.<br \/>\nV t\u011bchto aplikac\u00edch je volba povrchov\u00e9 \u00fapravy d\u016fle\u017eit\u011bj\u0161\u00ed, proto\u017ee prost\u0159ed\u00ed je slo\u017eit\u011bj\u0161\u00ed a \u0159et\u011bz snadno koroduje.<\/p>\n<p>Specifikace produkt\u016f souvisej\u00edc\u00ed s t\u00edmto t\u00e9matem naleznete <a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/uvazat-retez\/\">Upev\u0148ovac\u00ed \u0159et\u011bz<\/a> a <a href=\"https:\/\/tuohaihardware.com\/cs\/ocelovy-retez\/tazny-retez\/\">Ta\u017en\u00fd \u0159et\u011bz<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>In our purchasing and daily use, many people face the question of how to choose between the G4 chain and the G43 chain. These two [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18586,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18579","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>G4 vs G43 Chain: Key Differences and Typical Applications - Tuohai Hardware<\/title>\n<meta name=\"description\" content=\"G4 vs G43 chain: compare names, applications, working load limits and fitting compatibility. 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