Ilimin Valve Common I

一 Butterfly bawul

Fayil na bawul ɗin malam buɗe ido diski ne, wanda ke juyawa kusa da axis a wurin zama. Matsakaicin juyawa shine matakin buɗewa da rufewa na bawul. Abubuwan amfaninsa suna da nauyi, tsari mai sauƙi, ceton kayan aiki idan aka kwatanta da sauran bawuloli, buɗewa da sauri da rufewa, yankan da ƙwanƙwasa za a iya amfani da su, juriya na ruwa yana da ƙananan, aiki yana da ceton aiki, ana iya yin shi a cikin babban ma'auni. Ana amfani da bawul ɗin malam buɗe ido sosai a cikin bututun ruwan zafi. Inda za a iya amfani da bawul ɗin malam buɗe ido, yana da kyau kada a yi amfani da bawul ɗin ƙofar, saboda bawul ɗin malam buɗe ido sun fi tattalin arziƙi fiye da bawul ɗin ƙofar kuma suna da tsari mai kyau.

2 Diaphragm bawul

Ana amfani da bawul ɗin diaphragm don keɓance hanyar iska ta danna fim ɗin elastomer sosai akan wurin zama ta tushen bawul. Juyawa da wheel wheel iya fitar da kara sama da ƙasa, ta yadda diaphragm ya bar wurin zama don bude bawul ko sanya diaphragm danna dam a kan wurin zama don rufe bawul. Lokuttan aikace-aikacen sa shine ruwa mai tsafta, ruwan tsaftataccen ruwa yana buƙatar wani mataccen kusurwa a cikin bututun mai; na biyu, akwai najasa na najasa, bayani, da dai sauransu, barbashi ball bawul a cikin ruwa ne mai sauki sawa da yage da kuma zub da jini, babba da ƙananan ƙulli na diaphragm bawul sosai kauce wa wannan matsala, kuma diaphragm za a iya maye gurbinsu bayan dogon- lokacin amfani.

Bawul mai kusurwa uku

Jikin bawul na kusurwa yana da kusurwa-dama, jikin bawul yana da wurin zama da saman rufewa, gabaɗaya ga ƙasa ciki da waje. Samfurin mai amfani yana da fa'idodin tsari mai sauƙi da sakamako mai kyau na rufewa. Tare da aikin tsaftacewa, jikin bawul ɗin ba shi da sauƙi don tara datti, bai dace da toshewa ba, dacewa don sarrafa babban danko mai mahimmanci, bambancin matsa lamba da kafofin watsa labaru wanda ke dauke da kwayoyin da aka dakatar da kwayoyin halitta. Rashin hasara shi ne cewa yana da wuyar jujjuyawar bawul core oscillation.

四 Bawul ɗin sarrafa Fina-Finan huhu

Mai kunnawa na bawul ɗin sarrafa fim na pneumatic yana da tasiri mai kyau da mara kyau. Kyakkyawan sakamako shine lokacin da matsa lamba ya karu, ƙwayar bawul ɗin yana motsawa zuwa ƙasa, kuma matsa lamba ya shiga ɗakin fim a sama da diaphragm. Amsa yana nufin cewa lokacin da matsa lamba ya karu, ƙwayar bawul ɗin yana motsawa sama, kuma matsa lamba shine ɗakin fim a ƙarƙashin diaphragm.