Automatic Self-Operated Differential Pressure Control Valve DN50-300mm 1.6MPa Flange Connection for HVAC Systems
Energy-saving automatic control valve that utilizes medium pressure changes to maintain constant pressure differential in HVAC and heating systems.
This self-operated differential pressure control valve is designed for dual-pipe HVAC and heating systems, maintaining constant pressure differential without external power. It effectively reduces noise, balances resistance, and eliminates hydraulic imbalance in heating networks.
| Parameter | Specification |
|---|---|
| Nominal Diameter (DN) | 50-300 mm |
| Nominal Pressure (PN) | 1.6 MPa |
| Strength Test Pressure | 2.4 MPa (Water) |
| Sealing Test Pressure | 1.76 MPa (Water) |
| Material | Ductile Iron |
| Sealing Material | NBR, EPDM |
| Construction Type | Pass-through |
| Applicable Medium | Water |
| Working Temperature | 0-80°C |
| Connection Type | Flange |
| Drive Method | Automatic |
| Application Fields | Hydraulic Engineering, HVAC, Water Supply |
- Automatic Adjustment: Built-in pressure differential sensor automatically adjusts valve opening based on pipeline pressure changes
- No External Energy Required: Operates without external power or pneumatic sources, reducing energy consumption and system complexity
- Environmental Suitability: Stable operation in harsh environments with minimal environmental requirements
- Precision Control: Provides accurate flow control to meet system design requirements
Ideal for dual-pipe HVAC systems, household metering heating systems, variable flow air conditioning systems, and community heating networks. Available in supply (G) and return (H) configurations for optimal system balancing.
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