Danfoss AF-range impulse tube set for AFPQ controllers — valve DN 50, PN 40, 10 mm × G 1/4, Stainless steel
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Product Description
Danfoss AF-range impulse tube set (OEM designation "Impulse tubes for AFPQ PN40 50"). The impulse tubes connect the diaphragm chamber of a Danfoss self-acting AF-range pressure/flow controller actuator to the pressure-sensing tapping(s) on the pipework, transmitting the pipe pressure to the actuator so it can hold the set differential pressure or flow. This set is matched to the AVPQ controller on valve size DN 50 at PN 40. Tube outer diameter 10 mm; union connection G 1/4; material Stainless steel. Permissible medium: District heating/cooling circulation water. OEM P/N 003G1370. EAN 5702421812204. Technical data quoted verbatim from store.danfoss.com (code 003G1370).
Technical Specifications
- Code number
- 003G1370
- Type
- Impulse tubes
- Product group
- Accessories - SAC
- Gross weight
- 0.318 Kilogram
- Net weight
- 0.318 Kilogram
- Volume
- 0.342 Liter
- Connection size
- G 1/4
- Contains batteries
- No
- Description
- Impulse tubes for AFPQ PN40 50
- Diameter [mm]
- 10 mm
- EU RoHS compliance
- Yes with exemptions
- For product type
- AVPQ
- For valve size
- DN 50
- Material
- Stainless steel
- Permissible media
- District heating/cooling circulation water
- Pressure nominal [bar]
- 40 bar
- REACH Candidate List substances
- Lead (CAS no. 7439-92-1)
- SCIP dossier no.
- 4faab7a1-b51b-40d1-b265-5c393b635759
- SCIP dossier product name
- AF IMPULSE TUBES (2)
- Suitable for valve of diameter [mm] [Max]
- 50 mm
- Suitable for valve of diameter [mm] [Min]
- 50 mm
- Suitable for valve of pressure [bar] [Max]
- 40 bar
- Suitable for valve of pressure [bar] [Min]
- 16 bar
- EAN
- 5702421812204
- HS code
- 8481.90
Standards & Compliance
- Size / Series
- Impulse tubes
- Material
- Stainless steel
- Thread Standard
- G 1/4
- Pressure Rating
- PN 40
- HS Code
- 8481.90
Compatibility & Fitment
Impulse tubes are ordered to match the controller Type and the valve size/pressure class. This set fits AVPQ controllers at valve size DN 50, PN 40. Confirm the controller Type, valve DN and PN against the AF-range data sheet before ordering — impulse tube length and fittings differ between controller families (AFQ, AFP/AFPB, AFPQ, AFPQ4/AVPQ).
Product Documentation
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Technical guides
- Cross-Referencing Danfoss Refrigeration Components by IMPA and OEM Code
- Danfoss Product Code Decoder — 003Z, 013G, 017B, 023U, 027L, 032F, 060G, 060H, 065B, 065Z, 068Z, 084H, 132F, 148B Series (Complete Reference)
- Danfoss Maneurop MTZ Reciprocating Compressors — Model Range, Voltage Codes and Replacement Guide
Catalogue entry last verified: 2026-08-24. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 003G1370?
- 003G1370 can be ordered from cballast.com as a Danfoss catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Danfoss product?
- The manufacturer part number is 003G1370.
- What is the HS code for 003G1370?
- The customs tariff (HS) code for 003G1370 is 8481.90.
- Who manufactures 003G1370?
- 003G1370 is a Danfoss product in the HVAC & Refrigeration range.
- Is a datasheet available for 003G1370?
- Yes — the 003G1370 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 003G1370?
- The minimum order quantity is 1.
- Is 003G1370 available?
- Yes — 003G1370 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).