BESGO 5-way d 50 mm, inlet spacing 145 mm

Premium Swiss-made valve for automatic backwashing of sand filters.
Delivers higher backwash speed and efficiency than traditional 6-way valves – no need to stop the filter pump. Made in Switzerland, TÜV certified.

Key Features

• Automatic operation powered by water or compressed air (3.5–6 bar)

• Safe: automatically returns to filtration mode in case of power failure

• High backwash performance due to minimal pressure drop

• Simple mechanical design with very few moving parts = long service life

• No need to stop filtration pump when switching between backwash and filtration

• Flexible installation: mount directly on the filter or on the wall (90° rotatable connections)

• Durable materials: PVC-U body, stainless steel 316 internals, Viton/PTFE seals

• Included 3/2 230 V solenoid valve

Compatibility

• Suitable for all sand filters up to 2 meters in diameter

• Works with all water treatment systems including salt electrolysis

• Available in diameters DN40 (50 mm) to DN125 (140 mm)

Technical Specifications

• Control pressure: 3.5 to 6 bar (water or compressed air)

• Electrical connection: 230 V / 50 Hz

• Seal type: Viton / PTFE (ozone-resistant)

• Materials: PVC-U body, stainless steel 316 internal parts

• Pressure drop by diameter at 3 mWS:
  DN40 (d50): 20 m³/h
  DN50 (d63): 28 m³/h
  DN65 (d75): 45 m³/h
  DN80 (d90): 65 m³/h
  DN100 (d110): 95 m³/h
  DN125 (d140): 140 m³/h

• TÜV Rheinland certified (GS mark)