Zobba masu lulluɓe sune zoben o-zoben da suka ƙunshi ruɗaɗɗen suturar polymer mara kyau kuma iri ɗaya waɗanda ke rufe ainihin kayan roba gaba ɗaya.Elastomer/ roba core abu zaɓi ne na Silicone ko Viton.Haɗin waɗannan abubuwan haɗin gwiwar yana haifar da o-ring wanda kusan ba shi da sinadarai da saiti mai juriya don amfani a cikin mahalli masu tsauri.Wannan haɗe-haɗe na jaket ɗin polymer mai juriyar sinadarai a kan ƙaramin matsi na elastomer yana ba da kaddarori na musamman don kewayon aikace-aikace masu buƙata.
PTFE Ƙwararren o-zobbazoben o-ring ne wanda ya ƙunshi PTFE FEP/PFA encapsulation/jaket mara sumul kuma uniform wanda ke rufe ainihin kayan Viton® fluoroelastomer (kuma ana samunsa a cikin silicone).Haɗin waɗannan abubuwan haɗin gwiwar yana haifar da o-ring wanda kusan ba shi da sinadarai da saiti mai juriya don amfani a cikin mahalli masu tsauri.Ƙunƙarar o-rings za su rage raguwar lokaci kuma don haka ƙara riba a duk inda gurbataccen ruwa da iskar gas ke haifar da gazawar hatimi.
PTFE yana ba da saman da ba sanda ba don sauƙin tsaftace kayan ɗanɗano.Waɗannan zobba na o-ring ɗin suna da ƙarancin juzu'in juzu'i na .2 akan ƙarfe kuma saman o-zobba yana shafan kai.Ƙwararren PTFE yana sanya o-rings tsabta ta hanyar kawar da gurɓataccen ruwa ta hanyar elastomers.The o-zoben suna iya haifuwa da autoclavable, FDA mai yarda, mai yarda da USP Class VI, yarda da NSF don takamaiman aikace-aikace.
An ƙera zoben o-ring na musamman don magance matsalar rufe mafi yawan sinadarai da aikace-aikacen zafin jiki.Ƙunƙarar o-ringin sun ƙunshi ƙaƙƙarfan ko faɗuwar elastomeric core wanda aka lulluɓe a cikin PTFE FEP ko kwafin PFA.Ƙaƙwalwar elastomeric na iya zama fluorocarbon ko silicon rubber.Ana amfani da ƙaƙƙarfan ƙwanƙwasa o-zobba a cikin aikace-aikace na tsaye.Hollow Silicone core encapsulated o-rings ana amfani da su a aikace-aikace inda ake buƙatar ƙaramin ƙarfi kamar a aikace-aikace masu ƙarfi.Kundin o-ring yana ba da ingantaccen bayani don aikace-aikace masu wahala da yawa.PTFE FEP ko PFA encapsulation a zahiri yana rinjayar hatimi kuma elastomeric core yana tabbatar da daidaiton matsawa akan hatimin.Sakamakon shine matsi gaba ɗaya, yana ƙaruwa tare da matsa lamba.O-ring ɗin da aka lulluɓe yana aiki kamar ruwa mai danko sosai, duk wani matsin lamba da aka yi akan hatimin ana watsa shi ta kowane bangare.Matsakaicin zafin aiki na FEP shine 205°C (400°F) da kuma PFA 260°C (500°F).
Amfani
* Kyakkyawan juriya na sinadarai*Yanayin zafin jiki - Silicone core: -75 ° F zuwa 400 ° F (-60 ° C zuwa 205 ° C) - flurocarbon core: 5 ° F zuwa 440 ° F (-15 ° C zuwa 205 ° C) - aikace-aikace na musamman yana yiwuwa. Har zuwa 500°F (260°C)*Gabaɗaya taurin 85° Shore A ± 5 durometer*Mai iya haifuwa.*Matsakaicin matsa lamba zuwa 10000 psi (bar 700, 70 MPa)*Ƙananan saitin halayen matsawa.*Kayayyakin anti-manne, saman da ba sanda ba, ƙarancin juzu'i*FDA yarda*Babu hani akan diamita na ciki
Lokacin aikawa: Nuwamba 24-2019