Residual Pressure Valves (RPV) abu ne mai mahimmanci don kare silinda na iskar gas daga gurɓatawa da tabbatar da aminci da ingantaccen amfani. An haɓaka shi a cikin Japan a cikin 1990s kuma daga baya an gabatar da shi a cikin layin samfuran Cavagna a cikin 1996, RPVs suna amfani da harsashi da ke cikin kaset ɗin RPV don hana ƙazanta da ƙwayoyin waje shiga cikin silinda.
Ana rarraba RPVs azaman ko dai a layi ko a waje, ya danganta da wurin kaset ɗin RPV dangane da tsakiyar silinda da tsakiyar wheelwheel. RPVs marasa layi suna haɗuwa a bayan mashin ɗin bawul, yayin da RPVs masu layi suka sanya kaset ɗin RPV a cikin kanti.
RPVs tsarin atomatik ne waɗanda ke amsa sauye-sauyen matsa lamba ta hanyar amfani da ra'ayin ƙarfi da diamita don buɗewa da rufewa. Lokacin da Silinda ya cika, iskar gas yana gudana cikin kaset na RPV, inda aka toshe shi ta hatimi tsakanin jikin bawul da O-ring a cikin kaset na RPV. Koyaya, lokacin da ƙarfin da iskar gas ya bayyana akan O-ring ya zarce ƙarfin bazara da ƙarfin sojojin waje, gas ɗin yana tura kaset ɗin RPV, yana matsawa bazara tare da tura duk abubuwan RPV baya. Wannan yana karya hatimin tsakanin O-ring da jikin bawul, yana barin iskar gas ya tsere.
Babban aikin kaset na RPV shine kiyaye matsa lamba a cikin silinda don hana gurɓata daga abubuwan da ke faruwa a yanayi, danshi, da barbashi. Lokacin da ragowar matsa lamba na Silinda bai wuce mashaya 4 ba, harsashin RPV yana rufe kwararar iskar gas, yana hana sharar iskar gas da tabbatar da amintaccen sarrafa silinda. Ta amfani da RPVs, masu amfani da silinda gas za su iya kula da yanayin aiki mai aminci da aminci yayin da suke haɓaka inganci da hana gurɓatawa.
Lokacin aikawa: Juni-14-2023