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. 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 & Temperature Maximum Inlet Pressure Varies with body material and size; common ratings include ANSI Class 150 and 300. Outlet Pressure Range Adjustable via spring change. Various spring ranges are available to cover common setpoints for pressure reduction. Temperature Range Standard: up to 450°F (232°C). Dependent on bellows material and internal seals. Size & Connections Pipe Size 1/2 inch (DN15) to 2 inches (DN50). End Connections Screwed (NPT) or Flanged. Flow Capacity Flow Coefficient (Cv) Moderate Cv values suitable for small to moderate line sizes. Materials Body Material Ductile Iron (standard), Cast Steel, Stainless Steel. Trim Stainless Steel. Bellows Material Stainless Steel (standard). Actuator Type Self-operated, Spring-loaded, Side-mounted Diaphragm Actuator. Leakage Control Seal Type Integral Bellows Seal Cartridge (standard). Also typically includes a secondary gland packing.

Key Parameters (English) The following are typical technical parameters for the Fisher 670 Actuator. Category Parameter Description / Typical Values Actuator Type Type Pneumatic Spring-and-Diaphragm (or Double-Acting Piston). Action Direct (Air-to-Close), Reverse (Air-to-Open), Double-Acting. Performance Diaphragm Size Multiple sizes available (e.g., 230, 350, 550 sq. in. effective area). Spring Ranges Multiple spring ranges available to provide the required torque for the application. Standard Air Supply 30 psig (2.1 bar) for benchset. Max supply typically 100 psig (7 bar). Output Torque High torque output, varying with diaphragm size, spring range, and air supply. Environmental Operating Temperature Standard: -20°F to +150°F (-29°C to +66°C). High-temperature options available. Materials Housing Aluminum with corrosion-resistant coating. Internals Steel, Stainless Steel. Accessories Positioner Mounting Designed for direct mounting of Fisher positioners (e.g., DVC6000, 3582). Other Accessories Limit switches, solenoid valves, air filter regulators, etc.

Key Parameters Category Parameter Description / Typical Values Pressure Ratings Maximum Inlet Pressure (P1) Up to 400 psig (28 bar). Monitor Setpoint Range (P2) Adjustable via its dedicated pilot. The setpoint is always set higher than the primary regulator's outlet pressure. Capacity Flow Coefficient (Cv) High Cv values, designed to handle the full system flow rate in case of a primary regulator failure. Size & Connections Pipe Size 2 inches (DN50) to 8 inches (DN200) and larger. End Connections Flanged (ANSI Class 150, 300, etc.). Materials Body Material Cast Iron or Ductile Iron. Trim Materials Stainless Steel. Pilot Pilot Type Reducing Pilot (configured for the monitor setpoint). Operation Normal State Wide Open (passive). Activation Begins throttling when outlet pressure exceeds its setpoint.

Key Parameters (English) The following are typical technical parameters for the Fisher Type 310A Filter Regulator. Category Parameter Description / Typical Values Pressure Ratings Maximum Inlet Pressure 250 psig (17 bar). Outlet Pressure Range Adjustable from 0 psig to approximately 100 psig (0 to 7 bar). Filtration Filtration Rating Typically 25 to 40 microns. Drain Manual drain standard; automatic drain available as an option. Flow Capacity Flow Coefficient (Cv) High capacity, e.g., Cv ~ 12. Ports & Connections Inlet/Outlet Ports 1/2 inch NPT female (standard). 3/4 inch NPT also available. Environment Operating Temperature -40°F to +180°F (-40°C to +82°C). Materials Body Cast Aluminum. Bowl Metal with transparent polycarbonate guard. Filter Element Sintered bronze.

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. 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 Pressure Ratings Maximum Inlet Pressure 250 psig (17 bar). Outlet Pressure Range Adjustable from 0 psig to approximately 100 psig (0 to 7 bar). Filtration Filtration Rating Typically 40 microns. Drain Manual drain standard; automatic drain available as an option. Flow Capacity Flow Coefficient (Cv) High capacity for its size, e.g., Cv ~ 3.0. Ports & Connections Inlet/Outlet Ports 1/4 inch NPT female (standard). Other sizes like 1/2" NPT are available. Environment Operating Temperature -40°F to +180°F (-40°C to +82°C). Materials Body & Bowl Aluminum. Bowl Guard Standard transparent polycarbonate guard for safety. Filter Element Sintered bronze or other media.

Key Parameters (English) The following are typical technical parameters for the Fisher 912 Regulator. Category Parameter Description / Typical Values Pressure Ratings Maximum Inlet Pressure (P1) 400 psig (28 bar). Outlet Pressure (P2) Range Highly configurable via pilot selection. Common ranges span from a few inches w.c. up to 175 psig (e.g., 0.87 kPa to 12 bar). Capacity Flow Coefficient (Cv) High Cv values. For example, a 2" size can have a Cv of approximately 65. Size & Connections Pipe Size 3/4 inch to 4 inches. End Connections Threaded (NPT) or Flanged (ANSI Class 125, 150, 250). Materials Body Material Cast Iron (standard). Internal Trim Stainless Steel. Pilot & Safety Pilot Types Reducing Pilot, Monitor Pilot. Overpressure Protection (OPP) Internal Relief Valve is a common optional feature. Can also be used with external Slam-Shut Valves. Environment Operating Temperature Standard for outdoor gas service (e.g., -20°F to 150°F / -29°C to 66°C).

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.