Funda mayelana nezinhlobo ezahlukene zamavalvu asetshenziswa embonini kawoyela negesi kanye nomehluko wawo: Isango le-API ne-ASME, iglowubhu, isheke, amabhola, kanye nemiklamo yovemvane (okwenziwa ngesandla noma okucushiwe, okunemizimba efojiwe neyindilinga).Kafushane nje, ama-valve...
Funda kabanzi