Hikelok 8 usoro valvụ agịga nwere ike ijikwa ọsọ ahụ nke ọma ma nwee ike imeghe ngwa ngwa ma mechie ya site na ị ga-eji ụdị dị iche iche na-asọpụta, ihe na njikọ njedebe.
Usoro NV1 bụ valvụ agịga nwere otu akụkụ akpara akpa.
The NV2 usoro agịga valves nwere otu-ibe arọ mgbidi ekpuworo aru na nchekwa azụ oche agịga n'ụzọ zuru ezu oghe. Oke nrụgide ọrụ bụ 10000 psig (689 bar)
Usoro NV3 agịga valves nwere njikọ-bonnet maka nchekwa.
Usoro NV4 agịga valvụ nwere sistemu nkwakọ ngwaahịa dị ndụ, na mkpọ mkpọ ya na-eme mgbanwe na mpụga.
Usoro NV5 agịga valves nwere nhazi nha nha.
Usoro NV6 agịga valvụ nwere ụdị ihe ngbanwe, nke nwere ike imeghe ma mechie ngwa ngwa. Ọ nwere nkwụsị oche dị nro, na akara mkpịsị o-ring ya adịghị achọ mgbanwe.
Usoro NV7 bụ valvụ agịga nwere ihe na-adịghị agbanwe agbanwe. Aka ya na-egbochi mmetọ ịbanye n'akụkụ ndị na-arụ ọrụ, na ọnụ isi ya nke nwere ike dochie ya na-eme ka mmezi ya dị mfe.
NV8 usoro agịga valves nwere mmanya ngwaahịa valvụ ahụ. Isi ya na-adịghị agbanwe agbanwe na-eme ka akara akara.
Hikelokbụ otu n'ime ndị ọkachamara na-emepụta valvụ ngwá ọrụ na akwa akwa na China.Nhọrọ na nnwale siri ike, teknụzụ nhazi ọkwa dị elu, njikwa usoro mmepụta nke ọma na mmepụta ọkachamara na ndị ọrụ nyocha na-eduga ngwaahịa ndị ahụ., na-eke ọtụtụ narị elu-mmavalvụnaakwa akwa. Ọ bụ nhọrọ kacha mma maka ịzụrụ otu nkwụsị, na-echekwa oge na ume.
Mgbe ọtụtụ afọ nke mgbalị gasịrị, Hikelok aghọwo onye na-ebubata ndị ahịa a ma ama dị ka Sinopec, PetroChina, CNOOC, SSGC, Siemens, ABB, Emerson, TYCO, Honeywell, Gazprom, Rosneft na General Electric. Hikelok emeriela otuto otuto sitere n'aka ndị ahịa n'ihinjikwa ọkachamara, teknụzụ tozuru oke na ọrụ ezi obi.
