Belimo R350 3-way threaded ball valve & SR230A rotary actuator, 20 Nm, AC 100–240 V K18/433
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Belimo R350 3-Way Ball Valve with Internal Thread & SR230A Rotary Actuator, 20 Nm, AC 100–240 V, On-Off
The Belimo complete system R350 + SR230A combines a high-quality 3-way ball valve with internal thread and a reliable rotary actuator, ideal for on-off functions in heating, ventilation, and air conditioning systems (HVAC). This set is suitable for open and closed cold and hot water systems, as well as for 2-point control and water-side changeover functions.
- Ball Valve R350 – Key Features:
- Type: 3-way ball valve, on-off
- Connection: Internal thread according to ISO 7/1
- Media: Cold and hot water, water-glycol mixtures up to 50%
- Medium temperature: +5°C … +110°C (depending on actuator)
- Permissible pressure: Δpmax 1000 kPa (low noise 200 kPa), closing pressure Δps 1400 kPa
- Rotation angle: 90° (working range 15…90°)
- Bypass B–AB: approx. 50% of kvs value, leakage rate 1%
- Installation position: upright to horizontal (relative to spindle)
- Materials: Nickel-plated brass, closing body & spindle stainless steel, spindle seal O-ring EPDM, ball seat PTFE
- Bubble-tight: Passage A–AB
- Application area: stationary HVAC systems, not for mobile applications
- Rotary Actuator SR230A – Key Features:
- Torque: 20 Nm
- Nominal voltage: AC 100–240 V
- Control: On/Off, 3-point
- Running time motor: 90 s / 90°
- Manual override: Push button, lockable
- Position indicator: mechanical, attachable
- Protection class: IP54 (IEC/EN), NEMA 2 (UL)
- EMC & Certification: CE, UL compliant, IEC/EN 60730
- Maintenance: maintenance-free
- Weight: 0.89 kg
- Advantages of the combined system:
- Ready for immediate use in HVAC applications
- High functional reliability: Overload protected, no limit switches required
- Easy installation: Directly on ball valve, selectable rotation angle
- Low noise, durable and maintenance-free
- Optional accessories available: Auxiliary switches, feedback potentiometer
- Condition: new
- Our item number: K18/433
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Further information
- Manufacturer: Belimo
- Installation length:
- Condition: new
- Pipe connection: G 2" (59.6mm)
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All electrical equipment has undergone a VDE safety inspection.
Delivery & Shipping
- Austria: 1-2 working days
- Germany: 2–3 working days
- Europe-wide: 3–5 working days
Note:
For freight forwarding goods from 40 kg, the delivery time is 3–5 working days.















