Danfoss AVTB (fast) DN 25 Self-Acting Temperature Controller 20 °C – 60 °C 003N8253
Danfoss · HVAC & Refrigeration · Water Regulating Valves
Danfoss AVTB (fast) self-acting temperature controller, OEM P/N 003N8253, DN 25, PN 16. Proportional self-acting valve that throttles flow to hold a temperature set point without external power; the charged sensor and 2 m capillary act directly on the valve cone. The "fast" version reacts within about 3 seconds for tight control. Setting range 20 °C – 60 °C; Kvs 5.5 m³/h; connection Rp 1 (internal thread, ISO 7/1); brass body CuZn40Pb2; linear flow characteristic; return mounting. Media: district heating/cooling circulation water (pH 7–10). Approved to ETA VA 1.54/18952.
Specifications
- Part number
- 003N8253
- HS code
- 8481.80
- Material
- Body brass CuZn40Pb2 (W.-no. 2.0402); cone/seat NBR / brass; sensor Copper, mat. no. 2.0090
- Pressure rating
- PN 16
- Temperature range
- 20 °C – 60 °C setting range
- Standard size
- DN 25
- Thread standard
- ISO 7/1
Compatibility
Install with the sensor in the medium to be controlled; the controller throttles on rising temperature. For district heating/cooling and industrial temperature control. Confirm setting range 20 °C – 60 °C and connection Rp 1 (internal thread, ISO 7/1) before ordering.
Standards
Approvals
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