Product Advantages：
Accurate upstream pressure
Pump protection
Reliable pressure hold
Adjustable set point
Robust build
Model | PC-400 | PC-300 | PC-500 |
Connection | G3/4 threaded | G1/2 threaded | G1/4 |
Media | water, air, process fluid | water, air, gas | air, water, light fluid |
Operating Temperature | -10 to +80 °C | -10 to +80 °C | -10 to +80 °C |
Regulation | spring / pilot | pilot-operated | |
Flow | high capacity | high capacity | |
Inlet Pressure | up to 16 bar | up to 16 bar |
Job Title
Back-Pressure Regulator G3/4
Model：
PC-400
Back-pressure regulator that maintains a set upstream pressure by relieving excess pressure downstream, ensuring stable conditions for sensitive processes. It is commonly used in pump bypass, pressure-hold and flow-control applications, providing reliable upstream pressure control with robust construction for water, air and process media.
Key Features：
Maintains upstream pressure
Relieves excess downstream pressure
Pump bypass protection
Accurate pressure hold
Robust process construction
Adjustable set point
Technical Data：
Connection: G3/4 threaded
Media: water, air, process fluid
Set pressure range: 0.5-10 bar
Operating temperature: -10 to +80 °C
Regulation: spring / pilot
Flow: high capacity
Inlet pressure: up to 16 bar
Material & Specifications：
Body: brass / stainless steel
Diaphragm: NBR
Seals: NBR / PTFE
Spring: stainless steel
Trim: stainless steel
Applications：
Pump bypass circuits
Pressure-hold systems
Flow regulation
Process protection
Water and gas systems