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AVQM Pressure Independent Control Valve with Integrated Flow Limiter
Brand: Danfoss
AVQM is a self-acting flow controller with integrated control valve developed for the use in district heating / cooling systems. The controller prevents flow to exceed set max flow.
In a combination with electrical actuators AMV(E) and ECL electronic controllers, the flow and temperature can be controlled to achieve highest energy savings.
AVQM has a control valve with adjustable flow limiter, connection neck for electrical actuator and a pressure actuator with one control diaphragm.
Specifications
Brand
Actuator Size
- 8.37 in² (54 cm²)
Applications
- Used in District Heating Systems
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
- Dezincing Free Brass CuZn36Pb2As
Diaphragm Material
- EPDM
Differential Pressure
- Actuator: psi: 2.90 (kPa: 20, bar: 0.2)
- Maximum
Enclosure, Body Material
- Lower Housing of Actuator: Dezincing Free Brass CuZn36Pb2As
- Upper Housing of Actuator: 304L Stainless Steel
- Valve: Ductile Iron EN-GJS-400-18-LT
- Valve: Red Bronze CuSn5ZnPb
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - PN 25
Flange Size - 1-1/4” (DN 32)
- 1-1/4” (DN 32) - PN 25
Flange Size - 2” (DN 50)
- 2” (DN 50) - PN 25
Flow Rate
- 0.01 to 8.83 scfm (0.015 to 15 m³/hour)
Materials of Construction
- Copper Tube Ø 6 x 1 mm
- Valve Insert: Piston
Media
- Circulation Water, Glycolic Water up to 30 %, pH: 7 to 10
Nominal Pressure
- psi: 362.6 (kPa: 2,500, bar: 25)
Process Temperature
- According to EN 1092-2 & EN 1092-3: 2° to 150° C (35.6° to 302° F)
Seat / Seal Material
- Sealing DP: EPDM
- Valve Seat: 316Ti Stainless Steel
- District heating / cooling systems
