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AVP Differential Pressure Controller

Brand: Danfoss

AVP(-F) is a self-acting differential pressure controller primarily for use in district heating systems. The controller closes on rising differential pressure. 

The controller has a control valve, an actuator with one control diaphragm and handle for differential pressure setting (fixed setting version is without handle).

Specifications

Brand

Actuator Size

  • 8.37 In² (54 cm²)

Applications

  • Flow Mounting
  • Heating Equipment
  • Return Mounting

BSP Connection

  • G 1” A
  • G 1-1/4” A
  • G 1-3/4” A
  • G 2” A
  • G 2-1/2” A
  • G 3/4” A

Cone Material

  • Valve Cone: Dezincing Free Brass CuZn36Pb2As

Diaphragm Material

  • EPDM

Differential Pressure

  • psi: 232.1 (kPa: 1,600, bar: 16) - Max.
  • psi: 290.1 (kPa: 2,000, bar: 20) - Max.

Enclosure, Body Material

  • Actuator (Lower Casing of Diaphragm): Dezincing Free Brass CuZn36Pb2As
  • Actuator (Upper Casing of Diaphragm): 304L Stainless Steel
  • Valve (Thread & Flange): Ductile Iron EN-GJS-400-18-LT (GGG-40,3)
  • Valve (Thread): Red Bronze CuSn5ZnPb (Rg5)

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - PN 25 According to EN 1092-2

Flange Size - 1-1/4” (DN 32)

  • 1-1/4” (DN 32) - PN 25 According to EN 1092-2

Flange Size - 1” (DN 25)

  • 1” (DN 25) - PN 25 According to EN 1092-2

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - PN 25 According to EN 1092-2

Flange Size - 2” (DN 50)

  • 2” (DN 50) - PN 25 According to EN 1092-2

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - PN 25 According to EN 1092-2

Flow Rate

  • 0.23 to 14.71 scfm (0.4 to 25 m³/hour)

Materials of Construction

  • Impulse Tube: Copper

Media

  • Circulation Water, Glycolic Water up to 30 %, pH: 7 to 10

Mounting Position

  • For Higher Temperatures: Horizontal
  • Up to Medium Temperature of 100° C (212° F): Any

Nominal Pressure

  • psi: 362.6 (kPa: 2,500, bar: 25)

Process Temperature

  • 2° to 150° C (35.6° to 302° F)

Seat / Seal Material

  • Sealing: EPDM
  • Valve Seat: 316Ti Stainless Steel

Temperature Range

  • Maximum

  • District heating systems
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