Self-Regulating Valve

Main Classifications (3 Most Common Types)

1. Self-operated Pressure Regulating Valve (Most Common)

• Control: Maintains constant pressure downstream of the valve (or stabilizes pressure upstream of the valve)

• Applications: Pressure stabilization and relief for steam, gas, and liquid

• Scenarios: Heat exchange stations, gas pipelines, water supply networks

2. Self-operated Differential Pressure Regulating Valve

• Control: Maintains a constant pressure difference between two points

• Applications: Air conditioning water systems, heating, circulating water systems

3. Self-operated Temperature Regulating Valve (Thermostatic Valve)

• Automatically opens and closes based on temperature sensing by a temperature bulb

• Applications: Constant temperature control for hot water, hot oil, and heat exchange equipment

Core Advantages

• No electricity or gas required, zero energy consumption, explosion-proof safety

• Ready to use immediately after installation, no wiring or piping required

• Simple structure, extremely low failure rate

• Cost far lower than pneumatic/electric regulating valves

• Suitable for remote areas, areas without instrumentation gas, or power supply

Common Operating Conditions

• Water supply and heating pressure stabilization in residential areas/factories

• Constant pressure supply of natural gas and compressed air

• Temperature control for heat exchange stations

• Pressure stabilization for small boilers and steam equipment

• Field, remote pipeline, and instrument-less gas operations