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AVTB Temperature Controller

Brand: Danfoss

AVTB is self-acting temperature controller used to control the water temperature in hot water tanks, heat exchangers, oil preheaters, etc. Controller closes on rising temperature. 

The controller has a control valve, thermostatic actuator and handle for temperature setting. Thermostatic actuator consist of a bellows, capillary tube and sensor.

Specifications

Brand

BSP Connection

  • G 1” Male
  • G 1-1/4” Male
  • G 3/4” Male
  • 1” BSPP Female
  • 1/2” BSPP Female
  • 3/4” BSPP Female

Cone Material

  • NBR Rubber - Valve

Diaphragm Material

  • EPDM Rubber

Differential Pressure

  • psi: 145 (kPa: 1,000, bar: 10) - Max.

Enclosure, Body Material

  • Copper Zinc-Lead Alloy (CuZn40Pb2) - Valve: Internal Thread
  • Dezincing Free Brass BS 2872 / CZ132 - Valve: External Thread

Flange Size - 1” (DN 25)

  • 1” (DN 25) - PN 16

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - PN 16

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - PN 16

Flow Rate

  • 1.9 to 5.5 Kvs (m³/hour)

Materials of Construction

  • Dezincing Free Brass, BS 2874 / CZ132 - Other Metal Parts

Measuring Range

  • pH: 7 to 10

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 Rubber

Operating Temperature - Sensor

  • 0° to 100° C (32° to 212° F)

Process Temperature

  • 2° to 130° C (35.6° to 266° F)

Seat / Seal Material

  • 304 Stainless Steel (Cr Ni Steel DIN 17440) - Valve

Sensor / Probe Material

  • Copper - Temperature Sensor

Spindle Material

  • Dezincing Free Brass, BS 2874 / CZ132

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