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AVDS Pressure Reduction Controller
Brand: Danfoss
AVDS is a self-acting pressure reduction controller primarily for use in district heating systems. The controller is normally opened and closes on rising pressure.
The controller has a control valve, an actuator with one control diaphragm and a spring(s) for pressure setting.
Specifications
Brand
Actuator Size
- 8.37 in² (54 cm²)
Applications
- Direct or Indirect Heating Systems
- Steam
Approvals & Certifications
- ISO 228/1
Approvals & Certifications
- Conical Extension Thread - EN 10226-1
- EN 1092-2
BSP Connection
- G 1” A Male
- G 1-1/4” A Male
- G 3/4” A Male
Cone Material
- 434 Stainless Steel
Diaphragm Material
- EPDM
Differential Pressure
- Maximum
Enclosure, Body Material
- 304 Stainless Steel - Actuator Housing (Upper Casing of Diaphragm)
- Dezincing Free Brass CuZn36Pb2As- Actuator Housing (Lower Casing of Diaphragm)
- Red Bronze CuSn5ZnPb (Rg5)
Flow Rate
- 1 to 6.3 m³/hour
Materials of Construction
- Impulse Tube - Copper Tube Ø 6 x 1 mm
Measuring Range
- pH: 7 to 10
Media
- Circulation Water
- Glycolic Water Up to 30 %
Mounting Position
- Horizontal Pipes
Nominal Pressure
- psi: 362.6 (kPa: 2,500, bar: 25)
Process Fitting Details
- Compression Fitting
Process Temperature
- 2° to 200° C (35.6° to 392° F)
Seat / Seal Material
- 316Ti Stainless Steel - Valve Seat
Welded Connection
- DN 15 Weld End
- DN 20 Weld End
- DN 25 Weld End
- District heating systems
