E nwere ọtụtụ ụdị valvs, mana ọrụ bụ isi bụ otu, nke ahụ bụ, ijikọ ma ọ bụ belata ọkara ahụ. Ya mere, nsogbu nke valve bu ihe ama ama.
Iji hụ na valvụ nwere ike belata ọkara ahụ na-agbadata nke ọma na-enweghị sara mbara, ọ dị mkpa iji hụ na ọkwa valv na-adịghị mma. Enwere ọtụtụ ihe kpatara valve Valvụ, gụnyere imewe nhazi nke enweghị isi, akụkụ kọntaktị na-enweghị isi, na-eme ka ọ dị iche iche n'etiti valvụ na boneeti, wdg. Ọ dị mma, si otú a mepụta nsogbu na-akpata ya. Ya mere, teknụzụ selvela akara bụ teknụzụ dị mkpa metụtara arụmọrụ valvụ na ogo ọrụ, ma chọrọ nyocha na omimi.
Ihe a na-ejikarị ihe eji eme ihe maka valves na-agụnye ụdị ndị a:
1. NBr
Zugide mmanụ na mmanụ, dị elu na-eguzogide eguzogide, ezigbo okpomọkụ, adhesion siri ike. Ọdịmma ya bụ adịghị ike ọnọdụ okpomọkụ dị ala, na-adịghị mma ozone na-eguzogide, Njirimara eletriki, na obere obere belata.
2. EPDM
Akụkụ kachasị mkpa nke EPDM bụ nguzogide nha ọ na-eguzogide na-eguzogide na-eguzogide na nguzogide ntuli aka. Ebe EPDM bụ nke ezinụlọ poliletin, ọ nwere njiri mara mma.
3. PTFE
PTFE nwere ike iguzogide kemịkal, na-eguzogide ọtụtụ mmanụ na solones (dị mma ihu igwe na ntugide ozone, kama iguzogide ya.
4. Ihe mbu
Mara: A na-eji ígwè, gas na mmanụ mmanụ na okpomọkụ nke≤100°C na nrụgide nke≤1.6MPA.
5. Noockel-Dabere Alloy
Mara: A na-eji Alcoys dabere na-eji ọkpọ na okpomoku nke -70 ~ 150°C na mgbali injinia pn≤20.5MPA.
6.. Ọla kọpa ọla kọpa
Coloy Alloy nwere ezigbo iyi na-eyi eguzogide ma dịkwa mma maka mmiri na uzuoku≤200℃na nbuli elu pn≤1.6MPA.
Oge Post: Dec-02-2022