Key Parameters (English) The following are typical technical parameters for the Fisher 627W and 627WH Control Valves. Category Parameter Description / Typical Values Valve Body & Size Valve Body Style Top-guided, single-port, cage-style globe valve. Size Range 1 inch (DN25) to 12 inches (DN300). End Connections Flanged (ANSI Class 150 to 2500), Butt-weld, Socket-weld. Pressure & Temperature Pressure Rating ANSI Class 150 to Class 2500. Temperature Range Standard: -350°F to +1100°F (-212°C to +593°C) with appropriate materials and packing. Flow & Trim Flow Characteristics Linear, Equal Percentage, Quick Opening (defined by the cage). Flow Coefficient (Cv) A wide range of Cv values available based on trim size and type. Trim Types Standard, Whisper Trim® (for noise control), Cavitrol® (for cavitation control), Hardened Trim (for erosion control). Leakage Class Leakage Class ANSI/FCI 70-2 Class IV (standard metal seat). Class V or Class VI with special lapping or soft seats. Materials Body Materials Carbon Steel (WCB), Stainless Steel (CF8M), Alloy Steel (WC9), Duplex Stainless Steel. Trim Materials Stainless Steel, Stellite, 17-4PH, Alloy 6. Actuator Actuator Type Typically paired with a Fisher 657/667 Diaphragm Actuator or a piston actuator for high-thrust requirements.

Key Parameters Category Parameter Description / Typical Values Pressure Ratings Maximum Inlet Pressure (P1) Up to 400 psig (28 bar) for standard models. Outlet Pressure (P2) Range Configurable via pilot selection. Designed for a wide range of outlet pressures. Capacity Flow Coefficient (Cv) High Cv values. For example, a 6" H120 can have a Cv of over 1000. Accuracy & Droop Excellent, typically within ±1-2% of the set point due to the pilot-operated design. Size & Connections Pipe Size 2 inches (DN50) to 12 inches (DN300). End Connections Flanged (ANSI Class 150, 300, 400). 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 Often installed upstream with a Fisher PSL or PSS Slam-Shut Valve for critical overpressure protection. Environment Operating Temperature Standard: -20°F to +150°F (-29°C to +66°C).

Key Parameters (English) The following are typical technical parameters for the Fisher Type SR5 Regulator. 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. Example: Cv ~5 for a 1" size. 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 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 Actuator Type Type Pneumatic Spring-Return Piston Actuator (Single-Acting). Action Fail-Closed (Air-to-Open) or Fail-Open (Air-to-Close). Performance Air Supply Pressure Standard operating range: 40 to 120 psig (2.8 to 8.3 bar). Output Torque Varies with air supply pressure and specific model. Provides high torque for its size. Spring Ranges Multiple spring ranges are available to provide the required fail-safe torque. Environmental Operating Temperature Standard: -4°F to +180°F (-20°C to +82°C). High-temperature options available. Materials Housing & Piston Aluminum with corrosion-resistant coating. Spring Coated steel. Accessories Positioner Mounting Designed for direct mounting of Fisher rotary positioners (e.g., DVC6000, 1061). Other Accessories Limit switches, solenoid valves, pressure regulators, etc.

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 Valve Body & Size Valve Body Style Top-guided, balanced trim, cage-style globe valve. Size Range 1/2 inch (DN15) to 2 inches (DN50). End Connections Flanged (ANSI Class 150 & 300). Pressure & Temperature Pressure Rating ANSI Class 150 and 300. Temperature Range Standard: -20°F to +450°F (-29°C to +232°C). Flow Characteristics Flow Characteristics Linear, Equal Percentage, Modified Percentage (via interchangeable cage). Flow Coefficient (Cv) A range of Cv values available based on trim size. Leakage Class Leakage Class ANSI/FCI 70-2 Class IV (standard metal seat). Class VI available with soft seats. Materials Body Materials Carbon Steel (WCB), Stainless Steel (CF8M/316). Trim Materials Stainless Steel (standard). Actuator Actuator Type Typically paired with a compact Fisher Baumann 1051/1052 pneumatic actuator or other spring-diaphragm actuators.

Key Parameters Category Parameter Description / Typical Values Valve Body & Size Valve Body Style Single-ported, top-guided globe valve. Size Range 1/2 inch (DN15) to 2 inches (DN50). End Connections Flanged (ANSI Class 150 & 300). Pressure & Temperature Pressure Rating ANSI Class 150 and 300. Temperature Range Standard: -20°F to +450°F (-29°C to +232°C). Flow Characteristics Flow Characteristics Linear or Equal Percentage (via plug design). Flow Coefficient (Cv) A range of Cv values available based on trim size. Leakage Class Leakage Class ANSI/FCI 70-2 Class IV (standard metal seat). Class VI available with soft seats. Materials Body Materials Carbon Steel (WCB), Stainless Steel (CF8/304, CF8M/316). Trim Materials Stainless Steel (standard). Actuator Actuator Type Typically paired with a compact Fisher Baumann 1051/1052 pneumatic actuator or other spring-diaphragm actuators.

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 Pressure Ratings Maximum Inlet Pressure (P1) Up to 1440 psig (100 bar). Outlet Pressure (P2) Range Configurable via pilot selection. Designed for high outlet pressures, often ranging from hundreds to over a thousand psig. Capacity Flow Coefficient (Cv) Extremely high Cv values. For example, a 6" P700 can have a Cv of over 1500. Accuracy & Droop Excellent, typically within ±1-2% of the set point due to the pilot-operated design. Size & Connections Pipe Size 2 inches (DN50) to 8 inches (DN200). End Connections Flanged (ANSI Class 600, 900, 1500). Materials Body Material Forged Steel (standard for high pressure). Trim Materials Stainless Steel. Pilot & Safety Pilot Types Reducing Pilot, Monitor Pilot, Dome-Loaded Pilot. Safety System Almost always installed upstream with a Fisher PSL or PSS Slam-Shut Valve for critical overpressure protection. Environment Operating Temperature Standard: -20°F to +150°F (-29°C to +66°C).