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Datasheet generated 2026-10-08
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Danfoss Weld-on tailpiece set (2 pcs), PN 25, DN 20, union G 1, for AV-range self-acting controllers & VM/VG globe valves (003H6909)

Danfoss · HVAC & Refrigeration · Balancing Valves · Denmark · danfoss.com
Part Number
003H6909  ·  HS 8481.90
Danfoss Weld-on tailpiece set (2 pcs), PN 25, DN 20, union G 1, for AV-range self-acting controllers & VM/VG globe valves (003H6909)

Danfoss weld-on tailpiece set (2 pcs) (003H6909) — genuine Danfoss accessory for the AV-range self-acting pressure, differential-pressure and flow controllers (AVP/AVPB/AVPQ/AVQ/AVQM/AVQT and related) and VM/VG globe valves. Weld-on connection tailpieces (union-nut to valve, butt-weld end to steel pipe). Nominal size DN 20; pressure class PN 25 (25 bar); valve-side union nut G 1. OEM designation "Tailpiece weld-on PN25 DN20 (G1)". Supplied as a pair (packing quantity 2 pcs). Net weight 0.25 kg; gross weight 0.332 kg. Contains lead per the REACH candidate list. OEM P/N 003H6909. Technical data quoted verbatim from store.danfoss.com (code 003H6909). Used in commercial refrigeration, provision-room cooling and reefer plant rooms across HFC, HFO and CO2 (R744) refrigerants.

Technical Specifications

Code number003H6909
TypeWeld-on tailpieces
Product groupTailpieces
FunctionWeld-on connection tailpieces (union-nut to valve, butt-weld end to steel pipe)
For valve sizeDN 20
Connection size (valve-side union)G 1
Connection typesWeld-on
Description (OEM)Tailpiece weld-on PN25 DN20 (G1)
Diameter20 mm
Pressure classPN 25
Pressure nominal25 bar
MaterialW.Nr. 1.0308
Packing formatSingle pack
Packing quantity (pcs per pack)2
REACH Candidate List substanceLead (CAS no. 7439-92-1)
Net weight0.25 kg
Gross weight0.332 kg
EAN5702421544945
Connection sizeG 1
DescriptionTailpiece weld-on PN25 DN20 (G1)
Diameter [mm]20 mm
Packing quantity2
Pressure nominal [bar]25 bar
REACH Candidate List substancesLead (CAS no. 7439-92-1)

Properties

MaterialW.Nr. 1.0308
Pressure ratingPN 25 (25 bar)
MOQ1

Compatibility

Genuine Danfoss accessory (003H6909) for the AV-range self-acting controllers and VM/VG globe valves. Confirm the nominal size / connection matches the valve and pipework before ordering. Pressure class PN 25.

Attached Documents