Key Specifications & Parameters Parameter Specification Model Series 262K (e.g., 262KSP, 262KSR, 262KES, etc.) Type Piston-Actuated, Balanced Valve Primary Function Pressure Reducing (can be configured for Back-Pressure Regulation) Sizes 1/2 in. to 3 in. (DN 15 to DN 80) End Connections NPT (standard), ANSI Flanged (RF, RJ), SW (Socket Weld) Pressure Ratings Body Ratings: ANSI Class 125, 150, 200, 300 (depending on body material and size) Max. Inlet Pressure (P1): Up to 400 psig (27.6 bar) for certain sizes Outlet Pressure (P2) Ranges: Various spring ranges available, typically from 3 to 200 psig (0.2 to 13.8 bar). Consult sizing software for specific capabilities. Temperature Range Standard Packing: -20° to 400°F (-29° to 204°C) High-Temp Packing: Up to 800°F (427°C) with appropriate materials. Note: Temperature limits are also dependent on seat material. Body Materials Standard: Ductile Iron Options: Cast Iron, Carbon Steel (WCB), Stainless Steel (CF8M/316), Bronze. Trim Materials Standard Trim: 11-13% Chrome Stainless Steel stem, 410SS piston, 316SS seat ring. Soft Seat: Buna-N, EPDM, FKM (Viton), PTFE (Teflon) O-rings for tight shut-off. Flow Characteristics Equal Percentage (inherent) Leakage Class Soft Seat: ANSI Class IV (bubble-tight shut-off) Metal Seat: ANSI Class II Actuator Type Spring & Diaphragm Actuator with a Piston Operator. The piston provides high thrust and fast response. Accessories Pilot-operated Actuators (262PES): For higher outlet pressures or where a larger diaphragm is needed for sensitivity. Internal Check Valves (262CV): Prevents reverse flow. Separate Strainers
