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
Technical Specifications
Category Specification
Type Direct-Operated, Spring-Loaded Pressure Regulator
Service Natural Gas, Manufactured Gas, LP Gas Vapor
Size Range 3/4" to 2" NPT
Maximum Inlet Pressure 5 psig (0.3 bar) for standard models
Outlet Pressure Range 3" W.C. to 11" W.C. (0.75 kPa to 2.7 kPa)
Temperature Range -20°F to 150°F (-29°C to 66°C)
Body Materials Aluminum
Diaphragm Material Fabric-Reinforced Elastomer
Typical Applications
Residential Gas Meter Sets
Commercial Appliance Gas Supply
LP Gas Vapor Service
Industrial Pilot Lights & Small Burners
Gas Light Systems
Secondary Pressure Reduction in Distribution Systems
Technical Specifications
Category Specification
Type Pilot-Operated Pressure Regulator
Service Natural Gas, Inert Gases
Pressure Ratings ANSI Class 150, 300, 600
Size Range 2" through 12" (50 mm through 300 mm)
Connections Flanged (RF or RTJ)
Maximum Inlet Pressure Up to 1440 psig (99 bar) depending on class
Outlet Pressure Range Configurable from inches of water column to hundreds of 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
Typical Applications
City Gate Stations
Industrial Plant Inlets
Pipeline Pressure Control
Storage Field Regulation
Distribution System Pressure Reduction
Compressor Station Control
Technical Specifications
Category Specification
Type Pilot-Operated Pressure Regulator
Service Natural Gas, Inert Gases
Pressure Rating ANSI Class 150 (other classes may be available)
Size Range 2" through 6" (50 mm through 150 mm)
Connections Flanged (RF or RTJ)
Maximum Inlet Pressure Up to 400 psig (28 bar) - dependent on specific configuration
Outlet Pressure Range Configurable via pilot selection (e.g., inches of water column to psig ranges)
Temperature Range -20°F to 150°F (-29°C to 66°C)
Body Materials Ductile Iron (standard), Carbon Steel
Trim Materials Stainless Steel