Morrison Bros. 710SS Series 1 in. Stainless Steel Anti-Siphon Solenoid Valves w/ PTFE Seal - Threaded

Morrison Bros.
1 in.
Product Type:
Normally Closed
Stainless Steel
15.00 LBS
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Normally closed solenoid valves are used to help prevent the accidental siphoning of a product from a tank in the event of a leak downstream below the liquid level. Generally installed on the dispensing side of a fuel system pipeline. The valve opens upon the receipt of an electronic signal such as when a dispenser or pump is switched to the on position.

NOTE: Product can only be pumped in one direction, the direction of the flow arrow. Not designed for use as an overfill prevention or process control valve.


  • Normally closed, hung piston design
  • Install in a horizontal pipeline in the upright vertical position
  • Zero pressure differential
  • Integral thermal relief allows the valve to relieve expansion pressure in the opposite direction of flow
  • Continuous duty Class H standard coil operates at 120 volts
  • Several optional coil voltages available
  • Enclosure is watertight and rated for hazardous locations—NEMA 3, 4X, 7 and 9; groups C and D
  • Recommended for use with liquids having a maximum viscosity of 60 centistokes
  • A strainer with a 100 mesh screen is recommended at the valve inlet

Construction Details

  • Body: Stainless steel
  • Seals: Viton®, PTFE
  • Solenoid housed in an integral, watertight, explosion-proof shell


  • CSA approved for hazardous locations
  • Class I, Groups C and D
  • Class II, Groups E, F and G
  • Class III • T3C