Area of use

RRVR/RRVV is used as a closing or pre-setting valve on radiators.

Description

The return valve is equipped with two cones, one for closing and one for pre-setting.
Pre-setting is carried out without draining the system.
The cones are equipped with an o-ring of EPDM rubber and locked with an automatic stopping device in the valve which means the cone cannot be unscrewed unintentionally. Connection 10 even is available in dezincification resistance material.

Technical data

Pressure class
PN 10
Max shutting pressure
250 kPa
Recommended pressuredrop
3-10 kPa
Kv value
DN 10 0,03-0,8
DN 15 0,45-1,3
Max temperature
120°C
Min temperature
5°C
Material
Brass
Gaskets EPDM

Dimensions

Valve Dim A B C Weight/g
RRVR 10 50 31 130
RRVR 15 58 33 190
RRVV 10 47 48 20 110
RRVV 15 55 54 24 165

Preset

Unscrew the cap.
Check that the cut-off spindle (the outer) is unscrewed.Pre-setting is done with the help of an allen key (3 mm).
The pre-setting spindle (internal) is unscrewed from bottom position to the number of turns according to the pressure drop diagram. When presetting is complete the cap is screwed back on.
When closing, screw the cut-off spindle (the outer) completely to the bottom with a screwdriver. When opening, unscrew the outer spindle totally.

Order designations

RSK no. Art.no. Name Description Dim. Conn.
482 16 98 4050304 RRVR 10 Straight AZF 10 3/8″
482 16 94 4051101 RRVR 15 Straight 15 1/2″
482 16 99 4050404 RRVV 10 Angle AZF 10 3/8″
482 16 95 4051201 RRVV 15 Angle 15 1/2″