{"id":830,"date":"2025-03-17T10:14:33","date_gmt":"2025-03-17T02:14:33","guid":{"rendered":"https:\/\/hengoseal.com\/?p=830"},"modified":"2025-03-17T10:14:33","modified_gmt":"2025-03-17T02:14:33","slug":"what-are-o-rings-how-they-work","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/cs\/what-are-o-rings-how-they-work\/","title":{"rendered":"Co jsou O-krou\u017eky a jak funguj\u00ed? (Ultimate O-Ring Guide 2025)"},"content":{"rendered":"
O-krou\u017eky jsou z\u00e1kladn\u00ed t\u011bsnic\u00ed sou\u010d\u00e1sti pou\u017e\u00edvan\u00e9 v hydraulick\u00e9 syst\u00e9my, pneumatick\u00e9 aplikace, automobilov\u00e9 motory a pr\u016fmyslov\u00e9 stroje<\/strong>. V\u00fdb\u011br spr\u00e1vn\u00e9ho O-krou\u017eku zaji\u0161\u0165uje nepropustn\u00fd v\u00fdkon, prodlou\u017een\u00e1 \u017eivotnost a provozn\u00ed \u00fa\u010dinnost<\/strong>.<\/p>\n V t\u00e9to p\u0159\u00edru\u010dce se budeme zab\u00fdvat jak funguj\u00ed O-krou\u017eky, r\u016fzn\u00e9 vlastnosti materi\u00e1l\u016f, kl\u00ed\u010dov\u00e1 krit\u00e9ria v\u00fdb\u011bru a p\u0159\u00edklady z re\u00e1ln\u00e9ho sv\u011bta<\/strong> kter\u00e9 v\u00e1m pomohou vybrat nejlep\u0161\u00ed O-krou\u017eek pro va\u0161i aplikaci.<\/p>\n O-krou\u017eek je a kruhov\u00e9 elastomerov\u00e9 t\u011bsn\u011bn\u00ed<\/strong> navr\u017een\u00fd tak, aby zabr\u00e1nit \u00faniku kapalin a plynu<\/strong> mezi dv\u011bma mechanick\u00fdmi plochami. Je \u0161iroce pou\u017e\u00edv\u00e1n d\u00edky sv\u00e9mu hospod\u00e1rnost, jednoduch\u00e1 instalace a vynikaj\u00edc\u00ed t\u011bsn\u00edc\u00ed vlastnosti<\/strong>.<\/p>\n T\u011bsn\u00edc\u00ed schopnost O-krou\u017eku je zalo\u017eena na jeho elastick\u00e1 deformace<\/strong> p\u0159i stla\u010den\u00ed mezi dv\u011bma povrchy. Tato komprese umo\u017e\u0148uje O-krou\u017eku udr\u017eovat t\u011bsn\u00e9 ut\u011bsn\u011bn\u00ed i p\u0159i vysok\u00e9m tlaku a m\u011bn\u00edc\u00edch se teplot\u00e1ch<\/strong>.<\/p>\n V\u00fdb\u011br spr\u00e1vn\u00e9ho materi\u00e1lu O-krou\u017eku je z\u00e1sadn\u00ed pro zaji\u0161t\u011bn\u00ed optim\u00e1ln\u00ed t\u011bsnic\u00ed v\u00fdkon<\/strong> za specifick\u00fdch pracovn\u00edch podm\u00ednek.<\/p>\n Chcete-li vybrat nejlep\u0161\u00ed O-krou\u017eek, zva\u017ete teplota, tlak a chemick\u00e1 expozice<\/strong>:<\/p>\n O-krou\u017eky hraj\u00ed z\u00e1sadn\u00ed roli hydraulick\u00e9 v\u00e1lce<\/strong>, zaji\u0161\u0165uj\u00edc\u00ed hladk\u00fd provoz a zabra\u0148uj\u00edc\u00ed \u00fanik\u016fm za podm\u00ednek vysok\u00e9ho tlaku.<\/p>\n A v\u00fdrobce stavebn\u00ed techniky<\/strong> kv\u016fli \u010dast\u00fdm poruch\u00e1m hydraulick\u00e9ho syst\u00e9mu net\u011bsnost t\u011bsn\u011bn\u00ed p\u0159i 180 \u00b0C a 2500 PSI<\/strong>. Po p\u0159epnut\u00ed na FKM vysokoteplotn\u00ed O-krou\u017eky<\/strong>, spole\u010dnost poznamenala: Hled\u00e1m pr\u00e9miov\u00e9 O-krou\u017eky pro pr\u016fmyslov\u00e9 aplikace?<\/strong> HENGOSEAL nab\u00edz\u00ed vysoce kvalitn\u00ed \u0159e\u0161en\u00ed t\u011bsn\u011bn\u00ed za konkurenceschopn\u00e9 ceny. <\/p>\n
\nCo je O-krou\u017eek?<\/strong><\/h2>\n
Pro\u010d jsou O-krou\u017eky tak \u00fa\u010dinn\u00e9?<\/strong><\/h3>\n
\nPr\u016fvodce materi\u00e1lem O-krou\u017eku: V\u00fdb\u011br spr\u00e1vn\u00e9ho typu<\/strong><\/h2>\n
\n\n
\n Materi\u00e1l<\/strong><\/th>\n Rozsah teplot (\u00b0C)<\/strong><\/th>\n Kl\u00ed\u010dov\u00e9 vlastnosti<\/strong><\/th>\n Nejlep\u0161\u00ed aplikace<\/strong><\/th>\n<\/tr>\n<\/thead>\n\n \n NBR (Nitril)<\/strong><\/td>\n -40 a\u017e 120<\/td>\n Vynikaj\u00edc\u00ed odolnost v\u016f\u010di oleji, n\u00e1kladov\u011b efektivn\u00ed<\/td>\n Automobilov\u00fd pr\u016fmysl, hydraulick\u00e1 t\u011bsn\u011bn\u00ed<\/td>\n<\/tr>\n \n FKM (Viton\u00ae)<\/strong><\/td>\n -20 a\u017e 230<\/td>\n Vysok\u00e1 teplotn\u00ed a chemick\u00e1 odolnost<\/td>\n Letectv\u00ed, palivov\u00e9 syst\u00e9my<\/td>\n<\/tr>\n \n EPDM<\/strong><\/td>\n -50 a\u017e 150<\/td>\n Odolnost v\u016f\u010di po\u010das\u00ed a oz\u00f3nu<\/td>\n Venkovn\u00ed aplikace, HVAC<\/td>\n<\/tr>\n \n PTFE (Teflon\u00ae)<\/strong><\/td>\n -200 a\u017e 260<\/td>\n Extr\u00e9mn\u00ed chemick\u00e1 odolnost<\/td>\n Chemick\u00e9 zpracov\u00e1n\u00ed, l\u00e9ka\u0159sk\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Jak p\u0159izp\u016fsobit materi\u00e1l O-krou\u017eku va\u0161\u00ed aplikaci<\/strong><\/h3>\n
\n
\nO-krou\u017eky v hydraulick\u00fdch syst\u00e9mech<\/strong><\/h2>\n
Jak O-krou\u017eky zlep\u0161ily \u00fa\u010dinnost hydraulick\u00e9ho syst\u00e9mu<\/strong><\/h3>\n
\n\u2705 75% sn\u00ed\u017een\u00ed \u00faniku hydraulick\u00e9 kapaliny<\/strong>
\n\u2705 Zv\u00fd\u0161en\u00ed \u017eivotnosti t\u011bsn\u011bn\u00ed ze 3 m\u011bs\u00edc\u016f na 1,5 roku<\/strong>
\n\u2705 Ni\u017e\u0161\u00ed n\u00e1klady na \u00fadr\u017ebu o 40%<\/strong><\/p>\n
\nObjednejte si vysoce kvalitn\u00ed O-krou\u017eky od HENGOSEAL<\/strong><\/h2>\n