Valve without pre-setting VH/VX

Area of use

The VH/VX valve series is used to regulate the flow for radiators or cooling system.
The valves can be used with a self-acting thermostat or electronic thermostat via an actuator.

Description

The FVX valve series is without pre-setting function, but with a higher kv-value and kvs-value. The valve is supplied with a protective cap in grey, which denotes pre-setting.The protective cap may during installation be used as shut-off, and also during pre-setting to set nominal opening with thermostatic head mounted.Turn the cap to the bottom and open 3/4 turns.

Technical data

Pressure class
PN 10
Max shutting pressure
VHR 15 250 kPa
VHR 25 50 kPa
VXR 15, 20 50 kPa
Recommended pressuredrop
3-10 kPa
Kv value with Thermostat/no Thermostat
VHR 15 0,7 / 1,4
VHR 25 1,5 / 4,8
VXR 15 1,3 / 2,5
VXR 20 1,5 / 3,9
Kvs-value
VHR 15 1,4
VHR 25 4,8
VXR 25 2,5
VXR 20 3,9
Max temperature
100°C
Min temperature
5°C
Material
Brass
Gaskets EPDM

Dimensions

Valve Dim A B C Weight/g
VHR 15 58 32 33 190
VHR 25 80 43 29 520
VXR 15 58 32 33 190
VXR 20 68 35 30 320

Order designations

RSK no. Art.no. Name Description Dim. Conn.
480 57 72 4043006 VHR 15 Valve straight 15 1/2″
480 57 74 4046901 VHR 25 Valve straight 25 1″
480 63 42 9000402 VHR 25 Valve straight incl. conn. 25 1″
480 63 27 4047402 VXR 15 Valve straight 15 1/2″
480 63 28 4047502 VXR 20 Valve straight 20 3/4″
480 63 38 9000398 VXR 15 Valve straight incl. conn. 15 1/2″
480 63 41 9000400 VXR 20 Valve straight incl. conn. 20 3/4″