| Construction is as follows ■ Full Port or Conventional Port ■ Outside Screw and Yoke (OS & Y| ■ Two piece sol I-aligning packing gland ■ Bolted bonnei with spiral wound gasket, ihreaded and seal welded bonnet or threaded and pressure seal bonnet ■ integral backseat • Socket weld Ends to ASME B16 II • Screwed Ends (NPT) to AUSi. ASME 81 20 1 |