Alpha
Construction is as follows:
• Trim API No.5
• Conventional Port (Full Port also available)
• Piston Check
• Spring available on request
• Bolted bonnet with spiral-wound gasket
• Integral backseat
• Socket weld Ends to ANSI/ASME B16.11
• Screwed Ends (NPT) to ANSI/ASME B1.20.1