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Change-over ball valves, flange  3-way

The product may differ from the illustration

3-way Changeover ball valve, DN 50
Flange, PN 6, kvs 49 m³/h
Housing Nickel-plated brass body
Fluid temperature -10...100°C
Port A – AB: air-bubble tight, leakage rate A
Bypass B – AB: Leakage class I, max. 1% of the kvs value


(suitable for most applications)
(with auxiliary switch, fast running, with emergency control, higher degree of protection…)

Nominal Voltage

Integrated auxiliary switches

Control Type

Operating Range


Running Time

Degree of Protection IEC/EN

Emergency Setting Position

Minimum Torque

Maximum Torque
Documentation for R7050R-B3
Send PDFs for other items
Valve: Technical data, dimensions, mounting (PDF - 173 kb)
 Send Data Sheet
Notes for project planning (2-way / 3-way ball valves) (PDF - 1,761 kb)
 Send Data Sheet
General Notes for project planning (PDF - 1,053 kb)
 Send Data Sheet
The complete range of water solutions (PDF - 9,384 kb)
 Send Data Sheet
CE Declaration of Conformity (PDF - 59 kb)
 Send Data Sheet
Accessories for R7050R-B3
Valve neck extension
for ball valve DN15...50
Stem heating
incl. retaining clip
DN 15...50
AC/DC 24 V, 20 W
for temperatures down to -10° C

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