Danfoss HPBV high-pressure by-pass valve, 32 mm, PN 16, setting range 0.5 – 2.5 bar (003H6006)
Danfoss

Danfoss HPBV high-pressure by-pass valve, 32 mm, PN 16, setting range 0.5 – 2.5 bar

Part number003H6006Item numberCB-DANF-003H6006HS code8481.40
HVAC & Refrigeration
Balancing Valves
MOQ:1

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Product Description

Danfoss HPBV (003H6006) — self-acting high-pressure by-pass valve, 32 mm, PN 16, for heating and district-heating circuits. The HPBV is a self-acting differential-pressure relief (by-pass) valve. It stays closed until the differential pressure across it exceeds the spring setting, then opens to bypass excess flow — protecting the circuit and maintaining a minimum flow through the pump when consumer valves close. Adjustable opening (differential) pressure 0.5 – 2.5 bar. OEM P/N 003H6006, EAN 5702428567237. Technical data quoted verbatim from store.danfoss.com (code 003H6006).

Technical Specifications

Code number
003H6006 Type: HPBV Product group: Pressure and flow controllers Description: Self-acting high-pressure by-pass (differential-pressure relief) valve Nominal diameter: 32 mm Nominal pressure: PN 16 Pressure setting range: 0.5 – 2.5 bar EU RoHS compliance: Yes with exemptions (6(c)) REACH Candidate List substance: Lead (CAS no. 7439-92-1) SCIP dossier no.: 96ca0d96-053f-402a-aeb3-e881573a74ac Net weight: 0.942 Kilogram Gross weight: 0.944 Kilogram Packed volume: 1.119 Liter EAN: 5702428567237 HS code: 8481.40 China RoHS compliance: Yes with exemptions China RoHS exemption clause: 7.3 Diameter [mm]: 32 mm EU RoHS exemption clause: 6(c) Pressure nominal [bar]: 16 bar Pressure setting range [bar] [Max]: 2.5 bar Pressure setting range [bar] [Min]: 0.5 bar REACH Candidate List substances: Lead (CAS no. 7439-92-1)

Standards & Compliance

Pressure Rating
PN 16 (opening pressure 0.5 – 2.5 bar)
HS Code
8481.40

Compatibility & Fitment

Danfoss HPBV for 32 mm heating circuits requiring differential-pressure relief / pump by-pass, PN 16. Set the opening pressure within 0.5 – 2.5 bar above the system's normal differential pressure so the valve stays shut in normal operation and opens only on pressure rise. Confirm the connection size (32 mm) and PN 16 against the pipework. Genuine Danfoss part — specify order code 003H6006.

Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.

Product Documentation

Document preview: Danfoss 003H6006 — OEM Product Page

Catalogue entry last verified: 2026-08-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 003H6006?
003H6006 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 003H6006.
What is the HS code for 003H6006?
The customs tariff (HS) code for 003H6006 is 8481.40.
Who manufactures 003H6006?
003H6006 is a Danfoss product in the HVAC & Refrigeration range.
Is a datasheet available for 003H6006?
Yes — the 003H6006 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 003H6006?
The minimum order quantity is 1.
Is 003H6006 available?
Yes — 003H6006 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).