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 Extended ranges with high suppression capability
Temperature Range Elevated temperature capability beyond standard 63EG models
Process Connections 2" NPT, 3" NPT, or flange connections
Wetted Parts High-temperature materials (specific alloys depending on application)
Diaphragm Material High-temperature compatible materials
Case Material Aluminum or epoxy-coated cast iron
Typical Applications
High-Temperature Process Vessels
Chemical Reactors with Thermal Cycling
Boiler Drum Level Measurement
Hot Oil Systems
Refinery Process Units
High-Pressure Steam Applications
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)
Typical Applications
Oil & Gas Production & Refining
Chemical & Petrochemical Plants
Power Generation
Water & Wastewater Treatment
General Process Industries
Technical Specifications
Category Specification
Type Pneumatic Displacer Level Controller
Input Liquid level (buoyancy force)
Output 3-15 psig (0.2-1.0 bar)
Air Supply 20-35 psig (1.4-2.4 bar) clean, dry air
Accuracy ±1% of span
Span Ranges Various displacer lengths available
Temperature Range Standard: -40°F to 450°F (-40°C to 232°C)
High-temp: Up to 850°F (454°C) with special options
Process Connections 2" NPT standard; 3" NPT and flanged options available
Chamber Materials Carbon Steel, Stainless Steel
Displacer Materials Stainless Steel, Hastelloy, other alloys
Torque Tube Materials Various alloys for different service conditions
Typical Applications
Oil & Gas Separators
Chemical Process Vessels
Refinery Columns
Boiler Drum Level
Water Treatment Tanks
High-Temperature Process Vessels
Interface Level Applications
Technical Specifications
Category Specification
Type Pilot-Operated Pressure Regulator
Service Natural Gas, Inert Gases
Body Size 3" NPT
Maximum Inlet Pressure 400 psig (28 bar)
Outlet Pressure Range Adjustable via spring change (typical ranges: 5-50 psig, 20-100 psig)
Temperature Range -20°F to 150°F (-29°C to 66°C)
Body Materials Ductile Iron (standard), Cast Steel
Trim Materials Stainless Steel
Actuator Type Spring-Diaphragm
Pilot Connection 1/4" NPT
Typical Applications
Industrial Plant Inlet Stations
Large Commercial Complex Gas Supply
Pipeline Distribution Pressure Control
Compressor Station Bypass Regulation
Storage Field Control
High-Capacity Metering Stations
Technical Specifications
Category Specification
Type Direct-Operated, Spring-Loaded Pressure Regulator
Service Natural Gas, LP Gas
Size Range 3/4" to 2" NPT
Maximum Inlet Pressure 5 psig (0.34 bar) for standard models
Outlet Pressure Range 3" W.C. to 14" W.C. (0.75 kPa to 3.5 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 Building Gas Service
Industrial Appliance Gas Supply
LP Gas Vapor Service
Gas-Powered Equipment Regulation
Secondary Pressure Reduction in Distribution Systems
Technical Specifications
Category Specification
Type Pneumatic Displacer Level Controller
Input Liquid level (buoyancy force)
Output 3-15 psig (0.2-1.0 bar)
Air Supply 20-35 psig (1.4-2.4 bar) clean, dry air
Accuracy ±1% of span
Span Ranges Various displacer lengths available
Temperature Range Standard: -40°F to 450°F (-40°C to 232°C)
High-temp: Up to 850°F (454°C) with special options
Process Connections 2" NPT standard; 3" NPT and flanged options available
Chamber Materials Carbon Steel, Stainless Steel
Displacer Materials Stainless Steel, Hastelloy, other alloys
Torque Tube Materials Various alloys for different service conditions
Typical Applications
Oil & Gas Separators
Chemical Process Vessels
Refinery Columns
Boiler Drum Level
Water Treatment Tanks
High-Temperature Process Vessels
Interface Level Applications
Technical Specifications
Category Specification
Type Volume Booster Relay, Force-Balance
Input Signal 3 to 15 psig (0.2 to 1.0 bar)
Output Signal 1:1 ratio of input, 3 to 15 psig
Air Supply 20 psig (1.4 bar) minimum, up to 100 psig (6.9 bar)
Flow Capacity High flow capacity; specific Cv values depend on model
Accuracy Typically within ±0.5% of span
Connections 1/4" NPT
Body Material Aluminum
Typical Applications
Speeding Up Large Actuators
Long Pneumatic Signal Lines
High-Capacity Signal Repeating
Pneumatic Computing Circuits
Technical Specifications
Category Specification
Type Electro-Pneumatic Transducer (I/P)
Input Signal 4-20 mA DC (reverse acting)
Output Signal 3-15 psig (0.2-1.0 bar)
Supply Pressure 20-150 psig (1.4-10.3 bar)
Accuracy ±0.5% of span
Linearity ±0.5% of span
Hysteresis ±0.1% of span
Air Consumption < 0.2 SCFM at steady state
Enclosure Rating NEMA 4X
Temperature Range -40°F to 180°F (-40°C to 82°C)
Mounting 2-inch pipe mounting or surface mounting
Typical Applications
Control Valve Positioning
Pneumatic Actuator Control
Process Control Systems
DCS and PLC Interface
Pneumatic Instrumentation Systems
Reverse Acting Control Applications
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 with enhanced design
Typical Applications
City Gate Stations
Industrial Plant Inlets
Pipeline Pressure Control
Storage Field Regulation
Compressor Station Control
Technical Specifications
Category Specification
Type Electro-Pneumatic Transducer (E/P or I/P)
Input Signal 1301F: 4-20 mA DC or other ranges
1301G: 10-50 mA DC or other ranges
Output Signal 3-15 psig (0.2-1.0 bar)
Supply Pressure 20 psig (1.4 bar) minimum, up to 115 psig (7.9 bar)
Accuracy Typically ±0.5% of span
Linearity & Hysteresis Typically within ±0.5% of span
Air Consumption Low (e.g., < 0.2 SCFM at steady state)
Enclosure Rating NEMA 4X (weatherproof and corrosion-resistant)
Temperature Range -40°F to 180°F (-40°C to 82°C)
Mounting 2-inch pipe mounting or surface mounting
Process Connection 1/4-inch NPT
Typical Applications
Control Valve Positioning
Pneumatic Actuator Control
Process Control Systems
DCS and PLC Interface
Pneumatic Instrumentation Systems
Modernization Projects (connecting electronic controls to existing pneumatic systems)