Mixing valve


  • Adjustable parallel dimension
  • Revolvable 180° axes allows angled installations
  • Prevents from installation errors
  • Line directional changes possible
Series VRH130 is a compact, flexible, low leakage mixing valve designed for installations where space is limited, and is made of high performance brass alloy, PN10. Available with pump flange in combination with external thread connections in DN20.
Product range

VRH139, Pump flange and External thread

VRH130 front_RGB_A-01.png
VRH130 side_RGB_A-01.png
Art.no. Reference DN Kvs Connection E Connection F A [mm] B [mm] C [mm] D [mm] Weight [kg]
11720100 VRH139 20 2,5 G 1½" PF 1½" 90 ‒ 125 80 32 50 1,20
11720200 VRH139 20 4 G 1½" PF 1½" 90 ‒ 125 80 32 50 1,20
11720300 VRH139 20 6,3 G 1½" PF 1½" 90 ‒ 125 80 32 50 1,20
Installation support

Installation examples

Installation examples
Feed line, right hand side
Feed line, left hand side


Technical data

Technical data

Pressure class: PN10
Torque (at nominal pressure): < 3 Nm
Leakrate in % of flow: Mixing: <0,05%;
Diverting: <0,02%
Working pressure: 1 MPa
max. Differential pressure drop, Mixing: 100 kPa
max. Differential pressure drop, Diverting: 200 kPa
Close off pressure: 200 kPa
Rangeability Kv/Kv min, A-AB: 100
Connections: External thread (G), ISO 228/1
Media, Heating water: in accordance with VDI2035
Media, Water/Glycol mixtures: max. 50 %
Media, Water/Ethanol mixtures: max. 28
Media temperature, max. continuosly: +110 °C
Media temperature, max. temporarily: +130 °C
Media temperature, min.: -10 °C
Material, Valve body, T-piece, connectors: Dezincification resistant brass, DZR
Material, Slide shoe: Abrasion resistant brass
Material, Shaft and bushing: PPS composite
Material, O-rings: EPDM


PED 2014/68/EU, article 4.3 /
SI 2016 No. 1105 (UK)

Valve characteristics

 Valve characteristics
Accessories and spare parts

Spare parts

Art No. Reference Designation Instruction manual
17006900 17006900 VRG802 ESBE VRG802 Interior kit DN15/20. download
17006940 17006940 VRG803 ESBE VRG803 Knob VRG/VRB. download
Download area

Download area

Type Preview Download
Data Sheet VRH130 download
Installation instruction VRH130 download
Certificate Declaration of Conformity, VRH130 download
Certificate Declaration of Conformity UKCA, VRH130 download
Certificate Building Product Declaration BPD3, VRH130 download
Certificate EAC certificate (RU), VRH130 download
Certificate UKRSEPRO certificate (UA), VRH130 download
Image VRH139, high res download
2D Image VRH139 download
3D drawing (stp file) VRH139, DN20 download