Nchara akpara nke ọma welded bọọlụ valvụ ahụ bụ akụkụ atọ weld abụọ, valvụ na ihe valvụ zuru oke n'otu setịpụ, emebere iji zere njikọ valvụ flange, si otú a kpochapụ ọwa mmiri, zere valvụ mgbasa ozi na-egbu egbu na ọkụ na-agbapụta n'èzí wee bute mmetọ gburugburu ebe obibi na-enweghị isi na mmerụ ahụ onwe onye, iji hụ na arụ ọrụ dị mma nke pipeline.
Njirimara ngwaahịa:
1. Isi eji integral forgings, hụ na ọ dịghị oghere, cracks wdg àgwà nsogbu.
2. Ezi nguzogide corrosion.
3. Mgbochi okpukpu abụọ na arụ ọrụ ọbara, akụkụ elu na nke ala nke oche na-eme ka mmiri na-egbochi mmiri, nkwụsị ahụ na-ejide ya site na valvụ mgbapụta.
4. Ihe owuwu nchekwa ọkụ.
5. Mepee nso ngwa ngwa na adaba.
6. Usoro kọmpat, ịdị arọ dị arọ, ntụziaka dị elu dị obere.
7. Akụkụ mmechi okirikiri nwere ike ịchọta na-akpaghị aka na ọnọdụ oke, ma nwee ike iguzogide nnukwu nrụgide dị iche iche mgbe ọ na-emechi.
8. Mgbe meghere nke ọma ma mechie ya, mechie ihu bọọlụ na oche dịpụrụ adịpụ site na ọkara.
9. Inwe a rotary ije nke 90 degrees, bọl nwere a okirikiri site oghere site axis, full mụụrụ bọl oghere ebelata ọkara iguzogide, dịkwuo eruba ọwa.
10. Valve nsọtụ nwere ike ịgbakwunye ọkpọkọ.
11. Nwere ike lie ojiji, azuokokoosisi nwere ike tinye dị ka oru ngo chọrọ, na-etinye kwekọrọ ekwekọ griiz, nsị na ventilashion ngwaọrụ mejupụtara a tube gbatịrị n'ala.
ngwa:
Ọ na-emetụta: kemịkalụ, mmanụ ala, gas eke, metallurgy, na ụlọ ọrụ ndị ọzọ na hydrogen sulfide nwere mgbasa ozi, adịghị ọcha, corrosion siri ike ogologo gas pipeline.