Danfoss Differential Pressure Controller, AHP
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AHP Differential Pressure Controller

Brand: Danfoss
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Danfoss Differential Pressure Controller, AHP Danfoss Differential Pressure Controller, AHP
AHP is a self-acting differential pressure controller primarily for use in district heating systems or in secondary district heating systems as well.

The controller closes on rising differential pressure.

The controller has a control valve, an actuator with one control diaphragm and setting spindle for differential pressure setting.

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Specifications

Brand

Applications

  • District Heating
  • Return Mounting

Approvals & Certifications

  • EN 1092-2 & EN 1092-3

BSP Connection

  • G 1” A Male - Cylindrical External Thread According to DIN ISO 228/1
  • G 1-1/4” Male A - Cylindrical External Thread Acc. to DIN ISO 228/1
  • G 1-3/4” Male - Cylindrical External Thread Acc. to DIN ISO 228/1
  • G 2” A Male - Cylindrical External Thread Acc. to DIN ISO 228/1
  • G 2-1/2” A Male - Cylindrical External Thread Acc. to DIN ISO 228/1
  • G 3/4” A Male - Cylindrical External Thread Acc. to DIN ISO 228/1

Cone Material

  • Valve: 303 Stainless Steel

Diaphragm Material

  • EPDM

Differential Pressure

  • Actuator - psi: 0.39 to 14.5 (kPa: 2.7 to 100, bar: 0.2 to 1)
  • Valve - psi: 36 (kPa: 250, bar: 2.5) - Max.

Enclosure, Body Material

  • Valve & Actuator (DN 15-40) - Dezincing Free Brass CuZn36Pb2A
  • Valve & Actuator (DN 50-100) - Grey Cast Iron EN-GJL-250 (GG-25)

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - PN 16

Flange Size - 1-1/4” (DN 32)

  • 1-1/4” (DN 32) - PN 16

Flange Size - 1” (DN 25)

  • 1” (DN 25) - PN 16

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - PN 16

Flange Size - 2-1/2” (DN 65)

  • 2-1/2” (DN 15) - PN 16

Flange Size - 2” (DN 50)

  • 2” (DN 50) - PN 16

Flange Size - 3” (DN 80)

  • 3” (DN 80) - PN 16

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - PN 16

Flange Size - 4” (DN 100)

  • 4” (DN 100) - PN 16

Flow Capacity

  • 0.94 to 47 scfm (1.6 to 80 m³/hour)

Materials of Construction

  • Impulse Tube - Copper
  • Impulse Tube - Stainless Steel

Measuring Range

  • pH: 7 to 10 - Medium

Media

  • Circulation Water
  • Glycolic Water up to 30 %

Mounting Position

  • Any Orientation

Nominal Pressure

  • psi: 232.1 (bar: 16, kPa: 1,600)

O-Ring Material

  • EPDM

Pressure Range

  • psi: 0 to 14.5 (kPa: 0 to 100, bar: 0 to 1)

Process Temperature

  • Medium: 2° to 120° C (35° to 248° F)

Seat / Seal Material

  • CuZN36Pb2As: Valve Cone
  • Metal Sealing
  • Sealing: EPDM
  • Valve: 303 Stainless Steel

Temperature Range

  • 0° to 120° C (32° to 248° F)

  • District Heating
  • Return Monting

Documentation

Data Sheets

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