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
Technical Specifications
Category Specification
Type Pilot-Operated, Balanced Trim Pressure Regulator
Service Natural Gas, Inert Gases
Pressure Rating 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 body class and trim.
Outlet Pressure Range Highly configurable via pilot selection, from inches of water column to several hundred psig.
Temperature Range -20°F to 150°F (-29°C to 66°C)
Body Materials Ductile Iron (Standard), Carbon Steel, Stainless Steel
Trim Materials Stainless Steel
Typical Applications
City Gate Stations
Town Border Stations
Industrial Plant Inlet Stations
Pipeline Pressure Reduction
Underground Storage Field Control
Compressor Station Bypass Control
Technical Specifications
Category Specification
Type Pilot-Operated Safety Relief Valve
Service Gas, Liquid, Steam
Design Standards ASME Section VIII, API 520
Orifice Sizes D through T (and larger) per API standards
Size Range 1" x 2" through 4" x 6" (inlet x outlet) and larger
Connections Flanged (150# to 2500# RF/RTJ)
Set Pressure Range 15 to 6000 psig (1 to 413 bar)
Temperature Range -450°F to 1000°F (-268°C to 538°C) with appropriate pilots
Body Materials Carbon Steel, Stainless Steel, Alloy Steels
Pilot Options Standard, Balanced Bellows, Vacuum, Temperature Actuated
Typical Applications
Oil & Gas Production Facilities
Refinery and Petrochemical Processes
Chemical Processing Plants
Power Generation Systems
High-Pressure Gas Storage and Transmission
Cryogenic Services
Technical Specifications
Category Specification
Type Direct-Operated, Spring-Loaded Pressure Regulator
Service Natural Gas
Size Range 3/4" to 2" NPT
Maximum Inlet Pressure 5 psig (0.34 bar) - for standard models; specific models may vary
Outlet Pressure Range Adjustable, typically in the range of inches of water column (e.g., 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 Material Aluminum
Diaphragm Material Fabric-Reinforced Elastomer
Typical Applications
Residential Gas Meter Sets
Commercial Building Gas Service
Industrial Appliance Gas Supply
Gas-Powered Equipment Inlet Regulation
Secondary Pressure Reduction in Distribution Systems
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 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 Appliance Gas Supply
LP Gas Vapor Service
Industrial Pilot Lights & Small Burners
Gas-Powered Equipment Regulation
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 (0.34 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
Valve Seat Material Resilient seating material for positive shut-off
Typical Applications
Residential Gas Meter Sets
Commercial Building Gas Service
Industrial Appliance Gas Supply
LP Gas Vapor Service
Gas-Powered Equipment Regulation
Pressure Reduction in Gas Distribution Systems
Apartment House Gas Service
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" or 1/2" NPT
Body Material Cast Iron or Aluminum
Typical Applications
Speeding Up Large Actuators
Long Pneumatic Signal Lines
High-Capacity Signal Repeating
Pneumatic Computing Circuits
Technical Specifications
Category Specification
Type Pilot-Operated High-Speed Relief Valve
Service Gas, Liquid
Set Pressure Range 15 to 6000 psig (1 to 413 bar)
Temperature Range -450°F to 1000°F (-268°C to 538°C)
Size Range 1" x 2" through 6" x 8" (inlet x outlet)
Connections Flanged (150# to 2500#)
Body Materials Carbon Steel, Stainless Steel, Alloy Steels
Response Time < 100 milliseconds
Leakage Bubble-tight up to 98% of set pressure
Typical Applications
Compressor Surge Protection
Pipeline Surge Relief
Pressure Vessel Protection
Chemical Reactor Relief
Gas Transmission Systems
High-Pressure Process Protection