O-Rings agbakwunyere PTFE

Mgbanaka o-mgbanaka kpuchiri ekpuchi bụ mgbanaka o-mgbanaka nke nwere mkpuchi mkpuchi polymer na-enweghị nkebi na nke edo nke na-ekpuchi ihe bụ isi rọba kpamkpam.Elastomer/ rọba isi ihe bụ nhọrọ nke Silicone ma ọ bụ Viton.Ngwakọta nke akụrụngwa ndị a na-emepụta mgbanaka o-mgbe ọ fọrọ nke nta ka ọ bụrụ kemịkalụ na-adịghị agwụ agwụ yana mkpakọ setịpụrụ na-eguzogide ọgwụ maka iji na gburugburu ebe mkpuchi siri ike.Ngwakọta a nke jaket polymer na-eguzogide kemịkalụ n'elu elastomer nwere obere mkpakọ na-enye ihe pụrụ iche maka ọtụtụ ngwa na-achọsi ike.

PTFE gbanyere o-mgbanakabụ o-mgbanaka nke nwere akwa mkpuchi PTFE FEP/PFA na-enweghị nkebi na uwe nke na-ekpuchi kpamkpam Viton® fluoroelastomer (dịkwa na silicone).Ngwakọta nke akụrụngwa ndị a na-emepụta mgbanaka o-mgbe ọ fọrọ nke nta ka ọ bụrụ kemịkalụ na-adịghị agwụ agwụ yana mkpakọ setịpụrụ na-eguzogide ọgwụ maka iji na gburugburu ebe mkpuchi siri ike.O-mgbanaka kpuchiri ekpuchi ga-ebelata oge odida anya wee si otú a na-abawanye uru n'ebe ọ bụla mmiri na gas na-emebi emebi na-akpata ọdịda akara akaghi aka.

PTFE na-enye elu na-abụghị mkpisi maka nhicha dị mfe nke ihe viscous.O-mgbanaka ndị a nwere ọnụ ọgụgụ dị ala nke esemokwu nke .2 na metal na elu o-mgbanaka bụ mmanye onwe ya.Ihe mkpuchi PTFE na-eme ka o-mgbanaka ahụ dị ọcha site n'iwepụ mmetọ nke mmiri site na elastomers.O-mgbanaka ndị ahụ bụ sterilizable na autoclavable, FDA kwadoro, USP Class VI, nnabata NSF dị maka ngwa ụfọdụ.

Emebere mgbanaka o-mgbanaka kpọmkwem iji dozie nsogbu nke ịchichi kemịkalụ kachasị njọ yana ngwa oke okpomọkụ.Mgbanaka o-mgbanaka agbakwunyere nwere isi elastomeric siri ike ma ọ bụ oghere nke etinyere na PTFE FEP ma ọ bụ n'ọbọ PFA.Isi elastomeric nwere ike ịbụ fluorocarbon ma ọ bụ silicon roba.A na-ejikarị o-mgbanaka isi isi kpuchie ya na ngwa static.A na-ejikarị mgbanaka silicone isi kpuchie o-mgbanaka na ngwa ebe achọrọ ike akara dị ala dị ka ọ dị na ngwa dị ike.Ihe mkpuchi o-ring na-enye ngwọta dị irè maka ọtụtụ ngwa siri ike.PTFE FEP ma ọ bụ PFA encapsulation na-emetụta akara na elastomeric core na-eme ka mkpakọ na-agbanwe agbanwe na akara.Ihe si na ya pụta bụ nchịkọta akara n'ozuzu, na-abawanye na nrụgide ọkara.Mgbanaka o-mgbanaka a kpuchiri ekpuchi na-eme ka mmiri dị ukwuu, nrụgide ọ bụla etinyere na akara na-ebufe n'akụkụ niile.Okpomọkụ kachasị arụ ọrụ maka FEP bụ 205°C (400°F) yana maka PFA 260°C (500°F).

Uru

* Nguzogide kemịkalụ mara mma*Okpomọkụ dị nso - silicone core: -75°F ka 400°F (-60°C ka 205°C) – flurocarbon core: 5°F ka 440°F (-15°C ka 205°C) – ngwa pụrụ iche ga-ekwe omume. ruo 500°F (260°C)*Isi ike n'ozuzu 85° Shore A ± 5 durometer*Enwere ike ime ya.*Nrụgide sitere na agụụ ruo 10000 psi (700 bar, 70 MPa)*Obere mkpakọ setịpụrụ àgwà.*Njirimara mgbochi nrapado, elu na-abụghị mkpisi, obere ọnụọgụ nke esemokwu*FDA kwadoro*Enweghị mmachi na dayameta