Ihe valvụ mkpuchi isi rọba ọla bụ ụdị valvụ a na-ahụkarị nke nwere ihe ọla na isi rọba.A na-ejikarị ya iji chịkwaa ntụzịaka nke mmiri mmiri ma ọ bụ gas na pipeline ma gbochie nlọghachi azụ ma ọ bụ ntụgharị.
Brass bụ ihe dị elu nke nwere ezigbo nguzogide corrosion na ike, nke nwere ike ịnọgide na-arụ ọrụ kwụsiri ike n'okpuru ọnọdụ ọrụ dị iche iche.A na-eji plastik injinia dị elu mee ihe mkpuchi valvụ rọba, nke nwere ezigbo mkpuchi na nguzogide corrosion, ma nwee ike hụ na akara na nkwụsi ike nke valvụ ahụ.
valvụ nlele ahụ nwere usoro dị mfe, nrụnye na nhazi dị mfe, na-echekwa oge na ụgwọ ọrụ.
Brass plastic isi check valves na-ejikarị eme ihe na ụlọ ọrụ, ihe owuwu, mmiri mmiri obodo na usoro drainage, wdg, a pụkwara iji ya mee ihe iji gbochie nlọghachi nke mmiri, nkwụsị nke gas, wdg, ma hụ na arụ ọrụ nkịtị nke usoro pipeline.