Cheki mavharuvhu, asingadzoki mavharuvhu, akagadzirirwa kudzivirira kudzoreredzwa kwekuyerera mupombi system.Aya mavharuvhu anobatiswa nezvinhu zvinoyerera mupombi.Kuvhara kunoitwa nehuremu hwecheki mechanism, nekumanikidzwa kwemusana, nechitubu, kana nemusanganiswa weiyi nzira.

Simudza cheki vharafu 1500lbs  ndeye diki diki high pressure check valves, iyo inogadzirwa nesimbi yakagadzirwa. isu tinowanzo gadzira ivo mu swing check valve, piston check valve (lift check valve).Inowanikwa mumabhoneti matatu madhizaini.Dhizaini yekutanga iBolted Bonnet, ine murume-mukadzi akabatana, spiral ronda gasket, yakagadzirwa muF316L/graphite.Mhete yakabatana gasket inowanikwawo pakukumbira.Yechipiri dhizaini ibhoneti rakasungwa, rine shinda uye chisimbiso chakaiswa chisimbiso.Pakukumbira simba rakazara rekupinda rakasungwa rinowanikwa, yekupedzisira dhizaini ndiyo yekumanikidza chisimbiso bonnet, inova dhizaini yemavharuvhu ekumanikidza.