Mu gulu la ma valve osakanikirana, kuwonjezera pa ma valve atatu osakanikirana, ma valve awiri osakanikirana amagwiritsidwa ntchito kwambiri. Valavu yogwira ntchito bwino (HPBV), makhalidwe ake: moyo wautali, nthawi yosinthira ya labotale mpaka nthawi miliyoni imodzi.

Poyerekeza ndi valavu ya gulugufe yapakati, valavu ya gulugufe yawiri yosiyana ndi ina imakhala yolimba kwambiri ku kuthamanga kwa magazi, imakhala ndi moyo wautali komanso yokhazikika bwino.
HPBV imagwiritsidwa ntchito kwambiri m'madzi a m'nyanja, makampani opanga mankhwala, HVAC, zinthu zowononga, ndi zina zotero.
Zotsatirazi ndi gulu la ma valve a gulugufe ogwira ntchito bwino omwe amatumizidwa ku Europe,Mafotokozedwe enieni ndi awa;

Kupanikizika: 300LB
Kukula: 8″
Kulumikizana: Wafer
Thupi ndi Ma Disc: CF8M
Tsinde: 17-4ph
Mpando: RPTFE