Key Parameters Category Parameter Description / Typical Values Pressure Ratings Maximum Inlet Pressure (P1) Up to 400 psig (28 bar). Outlet Pressure (P2) Range Highly configurable via pilot selection. Common ranges from a few psig up to 250 psig. Capacity Flow Coefficient (Cv) High Cv values. For example, a 6" P650 can have a Cv of over 1000. Accuracy & Droop Excellent, typically within ±1-2% of the set point. Size & Connections Pipe Size 2 inches (DN50) to 12 inches (DN300). End Connections Flanged (ANSI Class 150 to 600). Materials Body Material Cast Iron or Ductile Iron. Trim Materials Stainless Steel. Pilot & Safety Pilot Types Reducing Pilot, Monitor Pilot, Dome-Loaded Pilot. Safety System Designed to be paired with external Slam-Shut Valves (PSL/PSS) for absolute overpressure protection. Environment Operating Temperature Standard: -20°F to +150°F (-29°C to +66°C).

Key Parameters Category Parameter Description / Typical Values Input & Control Control Signal 4-20 mA DC. Control Function Electronic setpoint for pressure reduction. Pressure Ratings Maximum Inlet Pressure (P1) 400 psig (28 bar). Outlet Pressure (P2) Range Determined by the internal pilot spring. Adjustable via the 4-20 mA signal across the spring's range. Capacity Flow Coefficient (Cv) High Cv values, similar to other regulators in its size class (e.g., a 2" size has a Cv of ~65). Size & Connections Pipe Size 3/4 inch to 4 inches. End Connections Threaded (NPT) or Flanged. Materials Body Material Cast Iron. Internals Stainless Steel. Electrical I/P Transducer Air Supply Requires a clean, dry instrument air supply (typically 20-100 psig).

Key Parameters Category Parameter Description / Typical Values Pressure Ratings Maximum Inlet Pressure (P1) 125 psig (8.6 bar). Outlet Pressure (P2) Range Adjustable via spring selection. Common ranges span from 3.5" w.c. to 20 psig (approx. 0.87 kPa to 1.4 bar). Capacity Flow Coefficient (Cv) Low to moderate Cv, suitable for its intended applications. Size & Connections Pipe Size Typically 1/2 inch to 1-1/4 inch. End Connections Threaded (NPT). Materials Body Material Aluminum. Internal Components Stainless Steel, Synthetic Rubber Diaphragm. Safety Features Overpressure Protection (OPP) Integral Internal Relief Valve is a common optional feature. Environment Operating Temperature Standard for gas service (e.g., -20°F to 150°F / -29°C to 66°C).

Key Parameters Category Parameter Description / Typical Values Compatibility Supported Protocols HART® (Highway Addressable Remote Transducer). Compatible Instruments Fisher FIELDVUE Digital Valve Controllers and other HART communication devices. Electrical Power Supply Loop-powered (draws power from the 4-20 mA loop of the connected HART instrument). Loop Requirements Requires a minimum loop voltage and resistance to operate (e.g., typically > 11 VDC and < 1100 Ω). Connectivity Computer Connection USB or Serial (RS-232) via appropriate cables. Field Connection Standard test lead connectors. Software Required Software Fisher FIELDVUE DVC Setup and Diagnostics Software or Emerson AMS Device Manager. Environment Operating Temperature Standard for field use (e.g., 32°F to 140°F / 0°C to 60°C).

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