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R425
Open/close ball valve, 2-way, DN 25, External thread, G 1 1/2", PN 40, ps 1600 kPa, Kvs 26 m³/h, Fluid temperature -10...100°C [14...212°F]
For optimum energy efficiency in heating applications, we recommend using our corresponding insulation shells.
The suitable insulating shell can be found in the accessories for this product.
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Design data: Design data
- Actuator selection
- Downloads
- Accessories
- Details
Actuator selection
Downloads
Accessories
Mechanical accessory
EXT-OC-ZR425
Insulation shell for valve R4.., DN 25
only for non-condensing applications
ZR-EXT-01
Valve neck extension for ball valve DN 15...50
ZR4525
Pipe connector for ball valve with external thread, DN 25, Rp 1", G 1 1/2"
Electrical accessory
ZR24-2
Stem heater for ball valve DN 15...50, AC/DC 24 V, 20 W
Details
Specifications
- Pattern
- 2-way
- Kvs
- 26 m³/h
- Fluid
- Water, potable water (on request), water with glycol up to max. 50% vol.
- Fluid temperature
- -10...100°C [14...212°F]
- Fluid temperature note
-
- At a fluid temperature of -10...2°C, a valve neck extension is recommended.
- The allowed fluid temperature can be limited, depending on the type of actuator. Limitations can be found in the respective data sheets of the actuators.
- Close-off pressure
- 1400 kPa
- Differential pressure note
- 200 kPa for low-noise operation
- Leakage rate {Tools}
- Air-bubble tight, leakage rate A
- Pipe connection
- External thread
