AFQ Flow Controller for VFQ 2 (1)

Brand: Danfoss

The controller is a self-acting flow controller primarily for use in district heating systems. The controller closes when set max. flow is exceeded. 

The controller has a control valve with adjustable flow restrictor and an actuator with one control diaphragm.

Further on two valve versions are available:
  • VFQ 2 with metallic sealing cone
  • VFQ 21 with soft sealing cone 

Models matching criteria: 2
  • Differential Pressure Range - 0.2 bar
25+ In Stock
$2,546.00 CAD
Does not ship to OH, United States
  • Differential Pressure Range - 0.5 bar
25+ In Stock
$2,369.00 CAD
Does not ship to OH, United States

Specifications

Brand

Actuator Size

  • 38.7 in² (250 cm²)

Applications

  • Used in District Heating Systems

Diaphragm Material

  • EPDM (Rolling, Fibre Enforced)

Differential Pressure

  • psi: 2.90 (kPa: 20, bar: 0.2)
  • psi: 7.252 (kPa: 50, bar: 0.5)

Enclosure, Body Material

  • Actuator: 1008 Stainless Steel
  • Actuator: Zinc-Plated & Yellow Chromate

Mounting Position

  • Any Position for DN 15 to 80, Tmax ≤ 120° C (248° F)
  • Horizontal for DN 15 to 80, Tmax > 120° C (248° F), DN 100 to 250

Operating Pressure

  • Maximum

  • District Heating Systems
show more