Product Description
Danfoss VFG 21 two-way flanged globe (seat) valve body, OEM order code 065B2537. Nominal size DN250, pressure class PN 16, flow coefficient Kvs 400 m³/h. VFG 21 is the two-way pressure-relieved control-valve body (pressure-balanced cone for higher differential pressure) that combines with a matched self-acting or electric (AMV/AME) actuator. Data quoted verbatim from store.danfoss.com (code 065B2537).
Technical Specifications
- Brand
- Danfoss
- Part number
- 065B2537
- Type
- VFG 21
- Product group
- Pressure flow controllers
- Valve size
- DN 250
- Pressure class
- PN 16
- Nominal pressure
- 16 bar
- Kvs value
- 400 m³/h
- Connection type
- Flange
- Number of ports
- 2
- Net weight
- 220 Kilogram
- Gross weight
- 220 Kilogram
- EAN
- 5702421804544
- HS code
- 8481.80 (taps, cocks, valves for pipes)
- Cavitation factor 100%
- 0.15
- Cavitation factor 25%
- 0.31
- Cavitation factor 50%
- 0.25
- Cavitation factor 75%
- 0.2
- China RoHS compliance
- Out of scope
- Connection types
- Flange
- Description
- VFG21 PN40 250/400 2-way flange flow/ret
- Diameter [mm]
- 250 mm
- EU RoHS compliance
- Out of scope
- Kvs values [m³/h]
- 400 m³/h
- REACH Candidate List substances
- No
Standards & Compliance
- Size / Series
- DN 250
- Pressure Rating
- PN 16 (16 bar)
- HS Code
- 8481.80
Compatibility & Fitment
Valve body for Danfoss self-acting / motorized control assemblies. Combine the VFG 21 DN250 body with a matched actuator (self-acting AFA/AFP/AFT/AVT or electric AMV / AME) sized for the required duty. Select the body by nominal size (DN250), pressure class (PN 16) and flow coefficient (Kvs 400 m³/h) before ordering.
Product Documentation
More from Danfoss
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Danfoss VFU 2 Flow/Return Globe Valve Body DN40 PN 16 Kvs 20 m³/h (2-Way flanged)
065B2742
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Danfoss VFU 2 Flow/Return Globe Valve Body DN50 PN 16 Kvs 32 m³/h (2-Way flanged)
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Danfoss VFU 2 Flow/Return Globe Valve Body DN65 PN 16 Kvs 50 m³/h (2-Way flanged)
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Danfoss
Danfoss VFU 2 Flow/Return Globe Valve Body DN80 PN 16 Kvs 80 m³/h (2-Way flanged)
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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 065B2537?
- 065B2537 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 065B2537.
- What is the HS code for 065B2537?
- The customs tariff (HS) code for 065B2537 is 8481.80.
- Who manufactures 065B2537?
- 065B2537 is a Danfoss product in the Valves range.
- Is a datasheet available for 065B2537?
- Yes — the 065B2537 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 065B2537?
- The minimum order quantity is 1.
- Is 065B2537 available?
- Yes — 065B2537 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).