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Water Hammer Prevention

Water Hammer Prevention

FLDI/SP - Surge-preventing closure - Series 300

A unique DOROT control module, that can be added to any automatic valve. It prevents water hammer, that is generated by the valve closure, when it is located at the end of a long pipeline.

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SP - Surge Preventing Stepped-Closure Addition - Series 100

The device can be added to any control function and automatically adjusts the closing speed of a valve that is located at the end of a long pipeline. This ensures a moderate flow change pace that prevents pressure surges from evolving. Please consult Dorot Experts for more details.

  • Can be added to any fast closing control function
  • Automatically self-adjusted closing pace
  • Completely hydraulic – no electronic controllers, batteries or relays are used
  • Simple and reliable design
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SP - Surge-Preventing Closure - Series 500

The device automatically adjusts the closing speed of a valve that is located at the end of a long pipeline, preventing pressure surges.

Please consult Dorot Experts, or your local distributor for details.

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QR - COMBINING RELIEF OPTION

The Dorot Series 300 Quick Relief Valve (’30-QR’) activates by the pressure of the pipeline. The valve opens instantly when the pressure in the pipeline exceeds the safe level, thus relieving excessive pressure from the network. When the pressure returns to normal, the valve closesslowly, at an adjustable pace.

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QR - Quick Pressure-relief Valve - Series 100

The valve opens instantly when the pressure in the pipeline exceeds the safe level, thus relieving excessive pressure from the network. When the pressure returns to normal, the valve closes slowly, at an adjustable pace.

  • No slam operation
  • Simple and reliable design
  • Easy installation and maintenance
  • Low Resistance and high flow capacity
  • Protection for sewage as well as clean water pumping systems
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QR - Quick-Relief Safety Valve - Series 500

The valve opens instantly when the pressure in the pipeline exceeds the safe level, thus relieving excessive pressure from the network. When the pressure returns to normal, the valve closes slowly, at an adjustable pace.

 

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