Catalogue

Balancing valve FO-BV

Fixed orifice balancing valve with threaded connections and pressure sockets for heating and cooling (water added with glycol, brine) systems, domestic hot and cold water distribution systems. Suitable for shut-off, pre-setting and measurement of flow rate and differential pressure with balancing computer BVT-SET connected to the two piezometric sockets.
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Technical Features

  • Design according to BS7350. Valve body made of DZR brass
  • Threaded F/F (ISO 228/1 for DN015/20, ISO 7/1 Rp above)
  • Tolerance on nominal Kvs ±3% (test according to BS7350)
  • Water temperature  -10 °C to +130 °C (below 0 °C only for water with added antifreeze fluids 
  • over 100 °C only for water with added anti-boiling fluids)
  • PN25 (Max 25 bar up to 100 °C, max 20 bar at 130 °C).

Type Part no. WII DN Flow rate
FO-BV FO-BV015 15 3,7 - 8,9 l/min.
FO-BV FO-BV020 20 8,3 - 19,5 l/min.
FO-BV FO-BV025 25 15,5 -36,2 l/min.
FO-BV FO-BV032 32 32,4 - 75,0 l/min.
FO-BV FO-BV040 40 48,6 - 112,8 l/min.
FO-BV FO-BV050 50 91,2 - 210,6 l/min.