api 5000API 6A6B6BX FLANGE STANDARD, Class 2000PSI, 3000PSI, 5000PSI, 10000PSI, 20000PSI,data sheet including OD, ID, Thickness, Neck dimensions, bolt holes5000 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 siZE