Pressure: Class 150-2500
Size: NPS 1/2"-2"
Design Construction and Specification:
Gate valves conform to API 602, BS5352, and ASME B 16.34, Each are tested according to API598, and marking is per MSS SP-25.

Construction is as follows:
Full Port or Conventional Port
Outside Screw and Yoke (OS&Y)
Two Piece self aligning packing gland
Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet
Integral backseat
Socket weld Ends to ASME B16.11
Screwed Ends (NPT) to ANSI/ASME B1.20.1