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AHPBM-F Differential Pressure Controller

Brand: Danfoss

AHPBM-F is a self-acting differential pressure controller with flow limitation primarily for use in direct-connected district heating systems with mixing loop only. 

The controller closes on rising differential pressure or when set maximum flow is exceeded. 

The controller has a control valve with adjustable flow restrictor, connection neck for electrical actuator, and an actuator with one control diaphragm.

Controllers are used together with Danfoss electrical actuators:
  • AMV(E) 10
  • AMV(E) 13 with spring return function
  • AMV(E) 130, AMV(E) 140
  • AMV(E) 130H, AMV(E) 140H with manual override knob
AHPBM-F combined with AMV(E) 13 has been approved according to DIN EN 14597.

1 - 7 of 7 Part Numbers
003L35
003L35
  • Nominal Size / Connection - DN 15 (G 3/5" A)
003L3580
003L3580
  • Nominal Size / Connection - DN 15 (G 3/5" A)
  • Flow Rate - 1 m³/hour
003L3581
003L3581
  • Nominal Size / Connection - DN 15 (G 3/5" A)
  • Flow Rate - 1.25 m³/hour
003L3582
003L3582
  • Nominal Size / Connection - DN 15 (G 3/5" A)
  • Flow Rate - 1.6 m³/hour
003L3583
003L3583
  • Nominal Size / Connection - DN 20 (G 1" A)
  • Flow Rate - 2.5 m³/hour
003L3584
003L3584
  • Nominal Size / Connection - DN 25 (G1-1/4" A)
  • Flow Rate - 4 m³/hour
003L3585
003L3585
  • Nominal Size / Connection - DN 32 (G 1-3/4" A)
  • Flow Rate - 6.3 m³/hour
1 - 7 of 7 Part Numbers

Specifications

Brand

Actuator Size

  • 1.317 to 4.960 in² (8.5 to 32 cm²)

Applications

  • Used in District Heating Systems

BSP Connection

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

Cone Material

  • Valve Cone: Dezincing Free Brass CuZn36Pb2As

Diaphragm Material

  • EPDM

Differential Pressure

  • Maximum
  • psi: 0 to 58.02 (kPa: 0 to 400, bar: 0 to 4)

Electrical Connectors

  • DIN EN 14597

Enclosure, Body Material

  • Valve Body: Dezincing Free Brass CuZn36Pb2As

Flange Size - 1-1/4” (DN 32)

  • According to EN 1092-2: 1-1/4” (DN 32) - PN 16

Flange Size - 1” (DN 25)

  • According to EN 1092-2: 1” (DN 25) - PN 16

Flange Size - 1/2” (DN 15)

  • According to EN 1092-2: 1/2” (DN 15) - PN 16

Flange Size - 3/4” (DN 20)

  • According to EN 1092-2: 3/4” (DN 20) - PN 16

Flow Rate

  • 1 to 6.3 m³/hour

Materials of Construction

  • Impulse Tube: Copper Tube Ø 3 x 1 mm
  • Impulse Tube: Stainless Steel Tube Ø 0.8 x 0.2 x 800 mm

Media

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

Mounting Position

  • Horizontal
  • Vertical

Nominal Pressure

  • psi: 232.1 (bar: 16, kPa: 1,600)

O-Ring Material

  • EPDM

Process Temperature

  • 2° to 120° C (35° to 248° F)

Ratio

  • Control Ratio: > 1:100
  • Control Ratio: > 1:30
  • Control Ratio: > 1:50

Seat / Seal Material

  • Sealing: EPDM
  • Valve Seat: Dezincing Free Brass CuZn36Pb2As

  • District Heating Systems
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