Water Division Check valves
Check valves for Desalination are designed and manufactured according to the following international codes and standards:
DESIGN AND MANUFACTURING
BS 1868: Specification for steel check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries.
ASME B 16.34: Valves-Flanged, Threaded, and Welding End.
API 602: Steel Gate, Globe and Check Valves for Sizes DN 100 and Smaller for the Petroleum and Natural Gas Industries
API 6D: Pipeline Valves. Pressure Test Specification.
API-594: Check Valves: Wafer, Wafer-Lug, and Double Flanged Type
INSPECTION AND TEST
API 6D: Pipeline Valves. Pressure Test Specification.
API 598: Valve Inspection and Testing.
FLANGE DIMENSIONS
ASME B 16.5: Pipe Flanges and Flanged Fittings.
WELDED OR THREADED ENDS
ASME B16.25: Butt welding ends
ASMEB16.11: Forged fittings, socket-welding and threaded
ASME B1.20.1: Pipe threads general purpose
FACE TO FACE AND END TO END
ASME B 16.10: Face-to-Face and End-to-End Dimensions of Valves.
API 6D: Pipeline Valves. Pressure Test Specification
API-594: Check Valves: Wafer, Wafer-Lug, and Double Flanged Type
