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Shut Off Valve Flange

Shut Off Valve Flange

PHF-DD-L dynamic balancing electric regulating valve is a product integrating dynamic balancing and electric regulation. It is mainly suitable for temperature control of terminal air-conditioning equipment (such as air-conditioning box, fresh air unit, air handling unit) in HVAC system. By configuring intelligent module control device, it can conveniently control the flow and temperature of each loop automatically, realize rational use of energy, energy saving and consumption reduction, and intelligent management.
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shut off valve flange

 

PHF-DD-L dynamic balancing electric regulating valve adopts paraffin propeller, which is driven by PTC heating and runs without noise. It has spring reset function. After power failure, the valve is closed and the stroke position has an opening indication. The nut connection installation method is simple, fast and easy to disassemble.

 

shut off valve flangeproduct-15-15​

 

Product parameters
  • Diaphragm material: EPDM embedded fiber
  • Valve stem material: stainless steel 06Cr19Ni10
  • Valve body and bonnet material: brass
  • Nominal pressure (PN): 1.6MPa
  • Working medium: water, fluid temperature 5~95℃
  • Stroke: DN20/25=3mm, DN32/40/50=6mm

 

Technical Parameters

 

 

Ordering model Product model Valve type DN diameter Connection Kv value Dimensions
L H
14001 PHF-DD-20L*DRQ-1B 2 port 20 Internal thread 0.9 100 135
14008 PHF-DD-25L*DRQ-1B 2 port 25 Internal thread 1.5 110 144
14074 PHF-DD-32L*DFQ-JL 2  port 32 Internal thread 3.5 130 145
Note: The above table is the commonly used recommended models, please consult for details.

 

 

Installation Instructions

 

 

  • The driver is a straight stroke with good interchangeability.
  • Flow error ≤ 5%
  • Stability: The flow change of the terminal device is not affected by the system pressure fluctuation, and the flow changes do notinterfere with each other.
  • Energy saving: Energy saving of 6~20% compared with traditional systems.
  • Efficiency: Greatly shorten the debugging time, and the system operation is highly efficient.
  • Comfort: The temperature control accuracy is higher, and it is more comfortable than the traditional variable flow system.

 

FAQ

 

 

 

Q: What is the primary function of it in a piping system?
A: It is used to securely connect shut-off valves to the piping system, ensuring a leak-proof seal and allowing for efficient isolation or control of fluid or gas flow. Its role is critical in ensuring safety and operational control within various industrial applications, such as oil, gas, and water systems.

 

Q: What materials are typically used to manufacture it, and how does this affect its performance?
A: It is typically made from materials like stainless steel, carbon steel, or ductile iron, depending on the application requirements. The choice of material impacts its strength, resistance to corrosion, and ability to withstand high pressures and temperatures, ensuring reliability in demanding environments.

 

Q: Can it be customized for specific applications or sizes?
A: Yes, it can be customized to fit specific valve sizes, pressure ratings, and material specifications. Customization is available to meet unique installation requirements, ensuring that the flange provides the perfect fit and optimal performance for various industrial applications.

 

 

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