P133 | Pressure Regulator
BelGAS Regulators
The BelGAS P133 Pressure Regulator is a high-flow, direct-operated regulator designed for precise gas pressure control in commercial and industrial applications. Utilizing a balanced diaphragm design with external pressure registration, it delivers exceptional sensitivity and accuracy while minimizing the effects of inlet pressure fluctuations.
Engineered for performance-critical systems, the P133 is ideal for applications where stable downstream pressure is essential. Its external sensing line allows accurate downstream pressure monitoring, improving system response and control reliability across varying demand conditions.
Available in low, high, and heavy pressure configurations, the P133 offers a wide range of outlet pressure capabilities and material options to meet diverse operational requirements. Its robust construction and flexible configuration make it a dependable solution for gas regulation in demanding environments.
Typical Applications:
Industrial and commercial gas regulation, furnaces and burners, compressors, gas engines, natural gas and propane systems
Key Features
- Direct-operated pressure reducing regulator
- Balanced diaphragm design for high sensitivity and accuracy
- External pressure registration for precise downstream control
- Available in low, high, and heavy pressure models (P133L, P133H, P133K)
- Maximum inlet pressure up to 150 PSIG
- Outlet pressure ranges from inches of water column up to 60 PSIG
- 2″ NPT standard with flanged connection options available
- Wide range of spring options for precise pressure control
- Temperature range from -40°F to 200°F
- Multiple material options including ductile iron and WCB steel bodies
- Nitrile and fluorocarbon diaphragm and seat materials available
- Optional restrictor collars for flow tuning (25%, 40%, 60%)
PERFORMANCE ADVANTAGES
Why the P133 Performs Where It Counts
HIGH ACCURACY CONTROL
Balanced diaphragm design minimizes supply pressure effect, delivering stable and precise outlet pressure control.
EXTERNAL SENSING FOR TRUE SYSTEM RESPONSE
Downstream sensing ensures the regulator responds to actual system pressure, improving performance under varying flow conditions.
BROAD APPLICATION FLEXIBILITY
Multiple pressure ranges, configurations, and material options allow the P133 to be tailored for a wide range of gas systems.
BUILT FOR HIGH FLOW DEMAND
Designed for high-capacity applications, making it ideal for industrial gas systems requiring consistent and reliable regulation.