API 5000What does it refer

api 50005000 API 10000 API 15000 Ø C Ø B A H Ø C A H Ø B. HANDWHEEL OPERATED VALVE GEAR OPERATED VALVE API 6A MUD SERVICE GATE VALVE Working Pressure rating siZEAPI Blind Flanges dimensions are desned to handle hher rated pressure. We are an API 6a flanges manufacturer. Visit now! For Domestic (for India) Email: sales3@ Phone: