K503 Stainless Steel Diaphragm Type Hydraulic Control Valve

Specifications:

  • Size: DN50-DN1200

  • Pressure: PN10/16

  • Standard: DIN 2501 PN6/10/16, BS5155

Materials:

  • Body : Stainless steel/CF8/SS304

  • Seal : Stainless steel

  • Stem : Stainless Steel

  • Diaphragm : Stainless Steel/EPDM/NBR

Characteristic:

  • Medium: Water, Waste Water

  • Temperature: 0 to 80℃

Detail / Feature / Application

Detail / Feature / Application

  1. Strong Corrosion Resistance: The valve body and flow-through components are made of stainless steel, resistant to chloride ion, acid, and alkali corrosion, making them suitable for drinking water and harsh water conditions, and offering a long service life.

  2. Sensitive Diaphragm Actuation: A rubber diaphragm senses pressure for fast response and high precision, isolating media impurities and protecting the pilot system.

  3. Hydraulic Self-Control: Automatically controls the flow of media using its own pressure, ensuring energy conservation, environmental protection, and safety.

  4. Precise Pressure Regulation and Stabilization: Effectively reduces and stabilizes pressure upstream of the valve, protecting downstream equipment.

  5. Safe and Reliable Pressure Relief: Automatically opens to relieve pressure in the event of overpressure and automatically closes upon pressure recovery, ensuring system safety.

  6. Effective Water Hammer Elimination: Slows the closing process, suppresses water hammer impact, and protects pipelines and pumps.

  7. Low Flow Resistance and Low Energy Consumption: When fully open, the flow path is unobstructed, with low resistance and excellent energy efficiency.

  8. Wide Pressure Range: A wide range of inlet and outlet pressures are available to meet diverse operating conditions.

  9. Multi-Function Integration: Multiple control functions can be achieved through the combination of different pilot valves. Stable Hydraulic Balance: The valve disc features a balanced structure, ensuring smooth opening and closing, low operating force, and strong resistance to pressure fluctuations.

  10. Easy Maintenance: The modular design allows for online replacement of wearing parts such as the diaphragm and valve disc without valve disassembly, resulting in low repair costs.

This valve is a key component that utilizes the inherent energy of the medium for automatic control. It is primarily used in high-rise buildings, industrial parks, and municipal water supply systems. Through precise sensing and regulation, it steadily reduces high inlet pressure to the required, safe outlet pressure, effectively protecting pipelines and water-using equipment from overpressure and water hammer.

It is also commonly used for automatic water level control in water tanks and pools, enabling unattended water replenishment and flow interruption. Constructed of stainless steel, the valve body is highly corrosion-resistant, making it a core component for system automation, energy efficiency, and safe operation.

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