Technical Parameters Parameter Value / Description Fisher Model Number 1V711606242 Type Pilot-Operated Pressure Reducing Regulator Valve Size (Port Size) 2 inch (2") Orifice Size Typically 2 inch (Depending on trim) End Connections Flanged (RF or RTJ are common) Pressure Rating (ANSI Class) Class 300 (or as specified) Body Material Carbon Steel (e.g., WCB) Trim Material Standard Trim (e.g., 304 Stainless Steel) Main Diaphragm Material Typically Nitrile (Buna-N) or other elastomers for standard service. Pilot Diaphragm Material Typically Nitrile (Buna-N) Max Inlet Pressure (P1) Varies with body rating, e.g., up to 750 psig (51.7 bar) for Class 300. Outlet Pressure Range (P2) Depends on the specific spring range installed. Example Spring Ranges: 3 to 9 psig, 8 to 30 psig, 20 to 60 psig, etc. Temperature Range Standard: -20°F to +150°F (-29°C to +66°C) with standard elastomers. Higher temperatures with special materials. Pilot Connection Size 1/2 inch NPT Leakage Class Class IV (Metal-to-metal seat) or Class VI (Soft seat) depending on trim.
