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AFP(-9) Differential Pressure Controller for VFG 2 (1)
Brand: Danfoss
The controller is a self-acting differential pressure controller primarily for use in district heating systems.
The controller closes on rising differential pressure.
The controller has a control valve, an actuator with one control diaphragm and spring for differential pressure setting.
Further on two valve versions are available:
- VFG 2 with metallic sealing cone
- VFG 21 with soft sealing cone
Specifications
Brand
Actuator Size
- 12.4 to 97.65 in² (80 to 630 cm²)
Applications
- Use in District Heating Systems
Diaphragm Material
- Control Diaphragm (Actuators): EPDM (Rolling, Fibre Enforced)
Differential Pressure
- Actuator - psi: 0.72 to 87 (kPa: 5 to 600, bar: 0.05 to 6)
Enclosure, Body Material
- Actuator Housing: Stainless Steel, 1.0338, Zinc-Plated & Yellow Chromate
Mounting Position
- Any Position 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
Process Fitting Details
- Compression Fitting G 1/4” for Impulse Tube
- District Heating Systems
