Technical Specifications
Parameter Specification
Input Hydrostatic head pressure
Output 3-15 psig (0.2-1.0 bar)
Air Supply 20 psig (1.4 bar) clean, dry air
Accuracy ±0.5% of span
Span Ranges 25 inH₂O to several hundred inH₂O
Process Connections 2" NPT, 3" NPT, ANSI flanges
Wetted Parts Stainless steel, Monel, Hastelloy C
Case Material Aluminum/epoxy coated cast iron
Typical Applications
Oil & gas production vessels
Chemical processing equipment
Power generation systems
Water and wastewater treatment
Pulp and paper industry
Technical Specifications
Category Specification
Type Single-Acting, Pneumatic Valve Positioner
Input Signal 4-20 mA DC (standard); other signals (e.g., 3-15 psi) available
Supply Pressure Up to 150 psig (10.3 bar)
Output Pressure Up to the supply pressure minus 5 psi (0.3 bar)
Air Consumption Approximately 3.5 scfm (100 NL/min) at steady state
Linearity ±1% of span
Hysteresis Less than 0.4% of span
Enclosure Rating NEMA 4X (IP66)
Temperature Range Standard: -40°F to 180°F (-40°C to 82°C)
Extended: -50°F to 225°F (-46°C to 107°C) available
Materials Housing: Aluminum
Internal: Stainless Steel, Anodized Aluminum
Mounting Directly to actuator via mounting kits
Technical Specifications
Category Specification
Type Pneumatic Force-Balance Valve Positioner
Input Signal 3-15 psig (0.2-1.0 bar)
Supply Pressure 20-100 psig (1.4-6.9 bar)
Output Pressure 3-100 psig (0.2-6.9 bar), up to supply pressure
Air Consumption Approximately 1.5 SCFM (42.5 NL/min) at steady state
Linearity ±1% of span
Hysteresis Less than 0.5% of span
Enclosure Cast Aluminum with epoxy coating
Temperature Range -40°F to 180°F (-40°C to 82°C)
Mounting Directly to actuator via Fisher mounting kits (e.g., on Fisher 657/667 actuators)
Technical Specifications
Category Specification
Type Pneumatic Force-Balance Level Transmitter
Input Hydrostatic head pressure
Output 3-15 psig (0.2-1.0 bar)
Air Supply 20-35 psig (1.4-2.4 bar) clean, dry air
Accuracy ±0.5% of span
Span Ranges Adjustable over wide range (typical minimum 25 inH₂O)
Process Connections 2" NPT, 3" NPT, or flange connections
Wetted Parts Stainless steel (standard), Monel, Hastelloy C
Diaphragm Material Stainless steel (standard with various lining options)
Case Material Aluminum or epoxy-coated cast iron
Technical Specifications
Category Specification
Type Pneumatic to Current (P/I) Transducer
Input Signal 3-15 psig (0.2-1.0 bar)
Output Signal 4-20 mA DC, two-wire
Power Supply 24-55 VDC (line powered)
Accuracy ±0.5% of span
Hysteresis ±0.1% of span
Ambient Temperature -40°F to 180°F (-40°C to 82°C)
Enclosure Rating NEMA 4X (weatherproof and corrosion resistant)
Mounting 2-inch pipe mounting or surface mounting
Process Connection 1/4-inch NPT female
Technical Specifications
Category Specification
Type Pilot-Operated Pressure Regulator
Service Natural Gas, Inert Gases
Pressure Rating ANSI Class 150, 300, 600, 900 (depending on specific model)
Size Range Typically 2" to 8" (50 mm to 200 mm), with the "L" variant often representing a specific size.
Connections Flanged (RF or RTJ)
Maximum Inlet Pressure Up to 1440 psig (100 bar), depending on body class and trim.
Outlet Pressure Range Configurable via pilot selection, from inches of water column to high psig.
Temperature Range -20°F to 150°F (-29°C to 66°C)
Body Materials Carbon Steel (standard), Ductile Iron, Stainless Steel.
Trim Materials Stainless Steel.
Technical Specifications
Category Specification
Type Double-Acting Piston Actuator
Action Double-Acting (Spring-Return optional with 66S module)
Air Supply Pressure Up to 150 psig (10.3 bar)
Operating Temperature -40°F to 180°F (-40°C to 82°C)
Piston Diameter Multiple sizes available (e.g., 3.25 in, 4.5 in, 6 in)
Stem Travel Multiple strokes available (e.g., 0.75 in to 4.0 in)
Mounting Direct to Fisher 1060/1061 valves; other valves via linkage
Body Material Aluminum (standard), Ductile Iron (for corrosive environments)
Technical Specifications
Category 168 / 168H (I/P Transducer) 68 (P/P Transducer)
Type Current-to-Pressure (I/P) Pressure-to-Pressure (P/P)
Input Signal 4-20 mA DC 3-15 psig (standard)
Output Signal 3-15 psig 3-15 psig (or other proportional range)
Supply Pressure 20-150 psig 20-150 psig
Air Consumption 168: Standard capacity
168H: High capacity Standard capacity
Accuracy ±0.5% of span ±0.5% of span
Enclosure Rating NEMA 4X (weatherproof and corrosion resistant) NEMA 4X
Mounting 2-inch pipe mounting or surface mounting 2-inch pipe mounting or surface mounting
Technical Specifications
Category Specification
Type Pilot-Operated Pressure Regulator
Service Natural Gas, Inert Gases
Size Range 1/2" to 2" NPT
Maximum Inlet Pressure 400 psig (28 bar)
Outlet Pressure Range 3" W.C. to 200 psig (0.75 kPa to 14 bar)
Temperature Range -20°F to 150°F (-29°C to 66°C)
Body Materials Aluminum or Ductile Iron
Leakage Class ANSI Class IV (metal seat) or Class VI (soft seat)
Typical Applications
Industrial Burner Trains
Boiler Fuel Gas Control
Process Heater Applications
Gas Generator Sets
Secondary Pressure Reduction
Commercial and Industrial Metering & Regulation Stations
Technical Specifications
Category Specification
Type Direct-Operated, Spring-Loaded Pressure Regulator
Service Natural Gas, LP Gas, Inert Gases
Size Range 3/4" to 2" NPT
Maximum Inlet Pressure G200: 400 psig (28 bar)
G201: 200 psig (14 bar)
Outlet Pressure Range 3" W.C. to 60 psig (0.75 kPa to 4.1 bar)
Temperature Range -20°F to 150°F (-29°C to 66°C)
Body Materials Aluminum
Diaphragm Material Reinforced Elastomer
Typical Applications
Residential Gas Meter Sets
Commercial Building Gas Service
Industrial Burner Trains
LP Gas Vapor Service
Gas Engine Fuel Supply
Secondary Pressure Reduction in Distribution Systems