Product Details: UNICENTS Pressure seal valves are designed in accordance with ASME B16.34 for service of high temperature and high pressure and are widely used in nuclear plant and fossil fuel power plant. Compared with bolted bonnet joint valves, UNICENTS pressure seal valves are more compact and rigid as well as maintenance cost-effective. Furthermore, it provides absolute reliable sealing of the bonnet joint. inimum Order Quantity 1 Piece Material Stainless Steel, Aluminium, Brass/Bronze Media Air, Water, Gas, Fuel Technical Data: Manufacturing STD. : API 602. Testing & Inspection STD. : API 598. Socket Weld And Threaded To : ANSI B 16.11/ANSI B 1.20.1. Flanged To : ANSI B 16.5. Flange To Flange Distance : ANSI B 16.10.