Class 800 LB Bolted Bonnet Forged Compact Gate Valve Valve description: Bolted bonnet, Reduced bore, NPT thread ends, solid wedge, renewable seat. Body material: ASTM A182 F11 Design & Manufacture: API 602 Nominal diameter: 3/4 Inch (DN20) Nominal class: Class 800 LB (PN150) End connection: NPT Metal seat: STL Face to face: MFR, API 602 Test and inspection: API 598 Mode of operation: Handwheel The opening and closing part of the forged steel gate valve is a gate that moves perpendicular to the direction of the fluid. The forged steel gate valve can only be fully opened or fully closed; it cannot be used for adjustment or throttling. The gate has two sealing surfaces that form a wedge in the most commonly used model. The wedge angle varies depending on the valve parameters. The forged steel gate valve can be operated manually, pneumatically, electrically, or with a gas-liquid linkage system. We are Bolted Bonnet Forged Gate Valve manufacturer. SIZE RANGE AND PRESSURE CLASS Size Range: 1/2 Inch to 4 Inch (DN15-DN100) Pressure Range: Class 150 LB to 1500 LB (PN16-PN240) Design & manufacture: API 602, ASME B16.34 End Connection: ASME B16.11 (SW), ASME B1.20.1 (NPT), ASME B16.5 (RF, RTJ) Test & inspection: API 598 Also available per NACE MR-0175, NACE MR-0103, ISO 15848, API 624 Available in Forged (ASTM A105, ASTM A350 LF2, ASTM A182 F5, F11, F22, ASTM A182 F304 (L), F316 (L), F347, F321, F51), Alloy 20, Monel, Inconel, Hastelloy