Water Control Solutions

BERMAD Irrigation Blog

Pressure Sustaining, Circulation and Relief in Irrigation Systems — Your Questions Answered

In a recent BERMAD webinar, “Pressure Sustaining, Circulation and Relief in Irrigation Systems”, our Application Engineer Sarit Hatzbany took a closer look at pressure sustaining principles of operation and the key differences between relief, circulation and inline sustaining valves.

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Jonathan Ben Asher

Jonathan Ben Asher
Hydraulic Application Engineer in Bermad Irrigation Sector

Recent Posts

Water hammer due to valve closing is unfortunately a common risk as valve closing dramatically reduces flow – "blocking" the water path. In this short blog, we look at the problem and recommended solutions.

Problem:

Water hammer caused by valve slamming at closing.

  • Valve: IR-2"-100 series, commanded by external pressure (no specific application is detailed)
  • Working pressure: 50 meters / 73 psi
  • Command pressure: Not specified
  • Flow: 4 l/s (14.4 m3/h) / 63.4 gpm
  • Flow velocity: 2m/s / 6.5 f/s 
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Topics: Irrigation

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