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910 Anti-Siphon Valve

Brand: Morrison Bros. Co.
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Anti-siphon 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.

Note: The all new 910 series replaces the previous 910ER series.
Features
  • Normally closed
  • Compatible in suction or pressure systems
  • Unique spring design allows for optimum opening pressure
  • High flow at optimum pumping pressures
  • Four elevation ratings available
  • Tamper-proof cap to ensure accurate elevation ratings
  • 90 degree configuration for easy piping from tank top to grade level
  • Integrated thermal expansion relief
  • This valve can be installed in both horizontal and vertical piping
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Anti-siphon 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.

Note: The all new 910 series replaces the previous 910ER series.
Features
  • Normally closed
  • Compatible in suction or pressure systems
  • Unique spring design allows for optimum opening pressure
  • High flow at optimum pumping pressures
  • Four elevation ratings available
  • Tamper-proof cap to ensure accurate elevation ratings
  • 90 degree configuration for easy piping from tank top to grade level
  • Integrated thermal expansion relief
  • This valve can be installed in both horizontal and vertical piping
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Specifications

Brand

Size

  • 1-1/2" NPT / BSP
  • 2" NPT / BSP

Certifications & Approvals

  • cULus

Body Material

  • Ductile Iron

Operating Pressure

  • Rated 50 psi (433.7 kPa)

Material of Construction

  • Screen: 20 Mesh Stainless Steel
  • Cap & Screen: Stainless Steel
  • Plunger: Stainless Steel with FKM Disc
  • Thermal Expansion Valve: Stainless Steel with FKM Seal

Operating Temperature

  • Rated -20° to 125° F (-28° to 51° C)
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Applications

  • Storage Tank 
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