Specifications: Valve Size: 3" to 12" (DN 80 to DN 300) Pressure Class: ANSI 150 End Connections: Wafer, Lugged Temperature Range: -20° to 400°F (-29° to 204°C) [Dependent on seat material] Performance & Flow Characteristics: Shut-Off Class: ANSI Class VI (Bubble-tight) Flow Coefficient (Cv): High Cv values. Specific values depend on valve size. Pressure Rating: 150 psi (10.3 bar) saturated steam; 275 psi (19.0 bar) for water, oil, and gas. Materials of Construction: Body: Ductile Iron (epoxy coated standard), Carbon Steel, Stainless Steel Disc: 316 Stainless Steel (standard) Stem: 17-4PH Stainless Steel (standard) Seat: Resilient materials such as Buna-N (Standard), EPDM, or Viton® for different fluid compatibilities and temperature ranges. Actuator & Accessories: Actuator Types: Pneumatic: Fisher 1051/1052 SRD spring-return and double-acting piston actuators, 657/667 spring-diaphragm actuators. Electric: Electric motor actuators. Positioner: A Fisher FIELDVUE™ DVC or other rotary positioner can be mounted for precise modulating control. Accessories: Limit switches, solenoid valves, filter regulators, etc.
