CHECK VALVE
Design Standard BS 1868/ ASME B 16.34 for 1/ 2" to 1 1/ 2" API 602/ ISO 15761 API 6D/ ASME B 16.34 Testing Standard API 598/ BSEN 12266 PART-1 Face to Face Dimensions for Butt-weld & Flanged Valves ASME B 16.10/ BS 2080 API6D Flanged Design ASME B 16.5 Butt-weld Design ASME B 16.25 pressure-Temp