residential medium pressure regulators
CR4000
A compact all aluminum medium pressure regulator for residential applications. Inlet pressures up to 125 PSIG (8.6 bar). Sizes 3/4x3/4, 3/4x1 and 1x1 in 90˚ and 180˚ configurations. Fitted with full capacity internal relief valve.
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Overview
This product is discontinued. We may offer firmware, drivers and manuals for your convenience, as well as online tech support. If you require additional support, please contact us using the links above.
Product Discontinuation Date:2025-09-25T00:00:00Z
Service & Support Discontinuation Date: 2027-09-25T00:00:00Z
The CR4000 regulator conforms to ANSI Code B109.4-1998, and CGA Service-Type Regulator Specification CAN/CGA-6.18-M95. Temperature range -20°F to +150°F (-30°C to 65°C). Outlet pressure range 3.5”WC to 2 PSIG (8.7 - 138 mbar). It is designed for natural gas applications.
Specifications
General Overview
- Design Type
- Compact, lightweight for easy installation
- Product Type
- CR4000 Series Service Regulator (direct‑acting)
- Applications
- Natural Gas Applications
Performance
- Outlet Pressure Range
- 3.5 in WC to 5 psig
- Normal - 5 psig, Contained - 10 psig, Abnormal - 50 psig
- Maximum Flow Capacity
- Up to 1400 SCFH
- Inlet Pressure Range
- Emergency - 175 psig
- Normal - 125 psig
Construction
- Vent Screen Material
- Stainless Steel (bug‑proof, weather resistant)
- Seat Disc Material
- Buna‑N
- Diaphragm Material
- Steel Diaphragm Plate, Die‑Cast Aluminum Lower Diaphragm Case, Buna‑N Diaphragm
- Orifice Material
- Aluminum
- Spring Material
- Steel, Zinc Plated, Chromate Pressure Spring
Operating Conditions
- Temperature Range
- -20 to +150 deg F (-30 to +65 deg C)
Control & Operation
- Control Mechanism
- Spring‑loaded regulator
Mechanical & Physical
- Vent Connection
- 3/4 in NPT Threaded Vent
Connection Options
- Connection Type
- Threaded (ANSI/ASME B1.20.1)
- Connection Size
- 3/4 x 3/4 in, 3/4 x 1 in, 1 x 1 in
General Overview
- Design Type
- Compact, lightweight for easy installation
- Product Type
- CR4000 Series Service Regulator (direct‑acting)
- Applications
- Natural Gas Applications
Performance
- Outlet Pressure Range
- 3.5 in WC to 5 psig
- Normal - 5 psig, Contained - 10 psig, Abnormal - 50 psig
- Maximum Flow Capacity
- Up to 1400 SCFH
- Inlet Pressure Range
- Emergency - 175 psig
- Normal - 125 psig
Construction
- Vent Screen Material
- Stainless Steel (bug‑proof, weather resistant)
- Seat Disc Material
- Buna‑N
- Diaphragm Material
- Steel Diaphragm Plate, Die‑Cast Aluminum Lower Diaphragm Case, Buna‑N Diaphragm
- Orifice Material
- Aluminum
- Spring Material
- Steel, Zinc Plated, Chromate Pressure Spring
Operating Conditions
- Temperature Range
- -20 to +150 deg F (-30 to +65 deg C)
Control & Operation
- Control Mechanism
- Spring‑loaded regulator
Mechanical & Physical
- Vent Connection
- 3/4 in NPT Threaded Vent
Connection Options
- Connection Type
- Threaded (ANSI/ASME B1.20.1)
- Connection Size
- 3/4 x 3/4 in, 3/4 x 1 in, 1 x 1 in
- Design Type : Compact, lightweight for easy installation
- Outlet Pressure Range : 3.5 in WC to 5 psig|Normal - 5 psig, Contained - 10 psig, Abnormal - 50 psig
- Maximum Flow Capacity : Up to 1400 SCFH
- Vent Screen Material : Stainless Steel (bug‑proof, weather resistant)
- Inlet Pressure Range : Emergency - 175 psig|Normal - 125 psig
- Seat Disc Material : Buna‑N
- Diaphragm Material : Steel Diaphragm Plate, Die‑Cast Aluminum Lower Diaphragm Case, Buna‑N Diaphragm
- Temperature Range : -20 to +150 deg F (-30 to +65 deg C)
- Control Mechanism : Spring‑loaded regulator
- Orifice Material : Aluminum
- Vent Connection : 3/4 in NPT Threaded Vent
- Spring Material : Steel, Zinc Plated, Chromate Pressure Spring
- Connection Type : Threaded (ANSI/ASME B1.20.1)
- Connection Size : 3/4 x 3/4 in, 3/4 x 1 in, 1 x 1 in
- Product Type : CR4000 Series Service Regulator (direct‑acting)
- Applications : Natural Gas Applications
Manuals and Guides
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KEA1A2A1A11A21A
CR-4000 90° 3/4x3/4 SP: 5-9" W.C.
KEA1A2A1A11A21A
CR-4000 90° 3/4x3/4 SP: 5-9" W.C.
KEA1A2A1A11A2SS-E
CR-4000 3/4" 90° SPR 5-9" W.C MESH/SEAL
KEA1A2A1A11A2SS-E
CR-4000 3/4" 90° SPR 5-9" W.C MESH/SEAL
KEA1A6A1A11A21A
CR-4000 90°3/4"NPT,SP:6-15"WC NAR WO/MES
KEA1A6A1A11A21A
CR-4000 90°3/4"NPT,SP:6-15"WC NAR WO/MES
KEA1B2A1A11A11A
CR-4000 3/4x3/4 180° NPT SPRING 5-9" W.C
KEA1B2A1A11A11A
CR-4000 3/4x3/4 180° NPT SPRING 5-9" W.C
KEA1B2A1A11A21A
CR-4000 3/4x3/4 180° NPT SPRING 5-9" W.C
KEA1B2A1A11A21A
CR-4000 3/4x3/4 180° NPT SPRING 5-9" W.C
KEA1B5A1A11A11C
CR-4000 180° 3/4 x 3/4 SPR 4-5# AZUL WO/
KEA1B5A1A11A11C
CR-4000 180° 3/4 x 3/4 SPR 4-5# AZUL WO/
KEA1B6A1A11A11A
CR-4000 180º 3/4 SPR 6-15"WC AZUL W/MESH
KEA1B6A1A11A11A
CR-4000 180º 3/4 SPR 6-15"WC AZUL W/MESH
