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VGF is a pressure relieved 2-way normally open (NO) valves, designed to be combined with:
  • AVT thermostatic actuators
  • STM safety temperature monitors
  • STL safety temperature limiters

1 - 6 of 6 Part Numbers
065B0780
065B0780
  • Size - DN 15
  • Flow Rate - 4 m³/hour
065B0781
065B0781
  • Size - DN 20
  • Flow Rate - 6.3 m³/hour
065B0782
065B0782
  • Size - DN 25
  • Flow Rate - 8 m³/hour
065B0783
065B0783
  • Size - DN 32
  • Flow Rate - 12.5 m³/hour
065B0784
065B0784
  • Size - DN 40
  • Flow Rate - 20 m³/hour
065B0785
065B0785
  • Size - DN 50
  • Flow Rate - 25 m³/hour
1 - 6 of 6 Part Numbers

Specifications

Brand

Applications

  • Domestic Hot Water
  • Heating Systems

Cone Material

  • Dezincing Free Brass CuZn36Pb2As - Valve Cone

Connection Style

  • Flange

Differential Pressure

  • psi: 290.1 (kPa: 2,000, bar: 20) - Max.

Enclosure, Body Material

  • Ductile Iron EN-GJS-400-18-LT (GGG-40.3) - Valve Body

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - PN 25

Flange Size - 1-1/4” (DN 32)

  • 1-1/4” (DN 32) - PN 25

Flange Size - 1” (DN 25)

  • 1” (DN 25) - PN 25

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - PN 25

Flange Size - 2” (DN 50)

  • 2” (DN 50) - PN 25

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - PN 25

Flow Rate

  • 4 to 25 m³/hour

Measuring Range

  • pH: 7 to 10

Media

  • Circulation Water, Glycolic Water up to 30 %

Nominal Pressure

  • psi: 362.6 (kPa: 2,500, bar: 25)

Process Temperature

  • 2° to 150° C (35.6° to 302° F)

Ratio

  • Control Ratio: > 1:50

Seat / Seal Material

  • 316Ti Stainless Steel, 1.4542 - Valve Seat
  • EPDM - Sealing

In combination with AVT thermostatic actuators, valves can be used primarily:
  • in mixing loops and room heating systems
  • for domestic hot water (DHW) production
    • Hot water tanks
    • Storage charge systems
    • Instantaneous domestic hot water production

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