Belimo R2025-S2 - 2-way on/off ball valve
Belimo R2025-S2 2-way ball valve with Rp 1" female thread. DN 25, PN 40, Kvs 26 m³/h and ps 1600 kPa.
For water and water with a maximum of 50% vol. glycol. Medium temperature: -10...120°C [14...248°F].
Belimo R2025-S2 – on/off ball valve
2-way ball valve with female thread, designed for shut-off on the water side and on/off control in ventilation and heating systems. Suitable for open and closed water systems.
Key features and specifications
- DN 25; connection: Rp 1" female thread; PN 40.
- Kvs 26 m³/h; ps 1600 kPa.
- Maximum differential pressure ∆pmax 1000 kPa; closing pressure ∆ps 1400 kPa. For quiet operation: 200 kPa.
- Medium: water, water with a maximum of 50% vol. glycol; medium temperature -10...120°C [14...248°F].
- Leak-tight: bubble-tight, leakage rate A (EN 12266-1).
- Nickel-plated brass body; stainless steel closing element and spindle; spindle seal: EPDM O-ring; seat: PTFE, EPDM O-ring.
- Rotation angle: 90°. The valve is operated by a rotary actuator controlled by an on/off signal.
Installation notes
Permitted installation position: from vertical to horizontal relative to the axis. Do not install with the axis pointing downwards. Observe the flow direction indicated by the arrow on the body.
At a medium temperature of -10...2°C, heating the spindle or using a valve neck extension is recommended. The permitted medium temperature may depend on the actuator type; limitations are specified in its data sheet.
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Brand
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ReferenceR2025-S2
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EAN137630498105364
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Kvs26 m³/h
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MediumWater, water with up to 50% vol. glycol.
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Pattern2-way
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Fluid temperature-10...120°C [14...248°F]
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Fluid temperature, noteFor medium temperatures of -10...2°C, heating the shaft or extending the valve neck is recommended. The permissible medium temperature may be limited depending on the actuator type. Refer to the relevant actuator data sheets for restrictions.
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Differential pressure∆pmax 1000 kPa
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Closing pressure1400 kPa
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Differential pressure note200 kPa for quiet operation
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Permissible leakageBubble-tight, leakage class A
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Pipe connectionInternal thread
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