Danfoss VFQ 2 Flow-Limiting Globe Valve Body DN65 PN 25 Kvs 50 m³/h (2-Way flanged)

Danfoss VFQ 2 two-way flanged globe (seat) valve body, OEM order code 065B2673. Nominal size DN65, pressure class PN 25, flow coefficient Kvs 50 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. GGG 40.3 body with stainless-steel, mat. no. 1.4404 cone, linear optimized flow characteristic, 12 mm stroke, spindle normally open. Rated for district heating media at 2 °C to 200 °C, maximum differential pressure 20 bar. Data quoted verbatim from store.danfoss.com (code 065B2673).

Brand

Danfoss

Part number

065B2673

Type

VFQ 2

Product group

Pressure flow controllers

Application

District Heating

Valve size

DN 65

Pressure class

PN 25

Nominal pressure

25 bar

Kvs value

50 m³/h

Connection type

Flange

Number of ports

2

Function

Pressure relief

Flow characteristic

Linear optimized

Spindle position

Normally open

Stroke

12 mm

Differential pressure (max)

20 bar

Cavitation factor

0.5

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

GGG 40.3

Valve cone material

Stainless steel, mat. No. 1.4404

Net weight

33.423 Kilogram

Gross weight

33.423 Kilogram

EAN

5702421809372

HS code

8481.80 (taps, cocks, valves for pipes)

Size / Series

DN 65

Material

GGG 40.3; cone Stainless steel, mat. No. 1.4404

Pressure Rating

PN 25 (25 bar); max differential pressure 20 bar

Temperature Range

2 °C to 200 °C

HS Code

8481.80