Amaphuzu amahlanu abalulekile okufakwa kwe-valve evamile ukufakwa, ukusetshenziswa nokugcinwa kwe-valve yomoya oshisayo
Amaphuzu amahlanu asemqoka okufakwa kwama-valve okuvamile ukufakwa, ukusetshenziswa nokugcinwa kwe-valve yomoya oshisayo Ama-valve amaningi aqondise. Isibonelo, i-globe valve, i-throttle valve, i-valve yokunciphisa ingcindezi, i-valve yokuhlola, njll., uma ifakwe ngokuphambene, izothinta ukusetshenziswa kwe-eff...
buka imininingwane