Danfoss VFQ 2 Flow-Limiting Globe Valve Body DN25 PN 16 Kvs 8 m³/h (2-Way flanged)

Danfoss VFQ 2 two-way flanged globe (seat) valve body, OEM order code 065B2656. Nominal size DN25, pressure class PN 16, flow coefficient Kvs 8 m³/h. VFQ 2 is the flow-limiting valve body (function "Pressure relief", product group "Pressure flow controllers"): combined with a matched self-acting AFQ actuator, or an AFQ / electric AMV / AME actuator, it forms a flow limiter or flow controller. Grey cast iron EN-GJL-250 (GG-25) body with stainless-steel, mat. no. 1.4404 cone, linear optimized flow characteristic, 6 mm stroke, spindle normally open. Rated for district heating media at 2 °C to 200 °C, maximum differential pressure 16 bar. Data quoted verbatim from store.danfoss.com (code 065B2656).

Brand

Danfoss

Part number

065B2656

Type

VFQ 2

Product group

Pressure flow controllers

Application

District Heating

Valve size

DN 25

Pressure class

PN 16

Nominal pressure

16 bar

Kvs value

8 m³/h

Connection type

Flange

Number of ports

2

Function

Pressure relief

Flow characteristic

Linear optimized

Spindle position

Normally open

Stroke

6 mm

Differential pressure (max)

16 bar

Cavitation factor

0.6

Media temperature

2 °C to 200 °C

Permissible media

District heating/cooling circulation water

Medium alternative

Glycolic water up to 30%

Media pH range

7 to 10

Leakage through port (max)

0.03 % Kvs

Valve body material

Grey cast iron EN-GJL-250 (GG-25)

Valve cone material

Stainless steel, mat. No. 1.4404

Net weight

9.43 Kilogram

Gross weight

9.94 Kilogram

EAN

5702421809204

HS code

8481.80 (taps, cocks, valves for pipes)

Size / Series

DN 25

Material

Grey cast iron EN-GJL-250 (GG-25); cone Stainless steel, mat. No. 1.4404

Pressure Rating

PN 16 (16 bar); max differential pressure 16 bar

Temperature Range

2 °C to 200 °C

HS Code

8481.80