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Morrison Bros 9095DS 2” Overfill Prevention Valve


The 9095DS valve is installed at the fill port of a storage tank. Designed for use in pressurized fill systems and requires a tight fill connection. The valve installs in a 2 inch female threaded opening of a low profile tank requiring a high level shut-off. The valve terminates the fill when the product reaches the preset level. 

Standard Features

  • Designed for fill applications that require a drop tube. (accepts a 1-1/2” male threaded drop tube)
  • The valve design allows for full product flow until it reached the shut-off level
  • The shut-off height is factory preset and is measured from the bottom of the attachment threads
  • Typical flow rate is 26 GPM at 10 PSI pressure drop and 60 GPM at 60 PSI pressure drop
  • 10 PSI is the minimum flow requirement for the valve to operate. The valve will not work in gravity filling applications
  • Can be retrofitted to existing tanks
  • Immediate and cushioned shutoff…full flow up to within 1-2 seconds of closing and no abrupt kickback or line shock when valve closes
  • Dry disconnect…after shut off product is allowed to automatically drain from the highest point so fill nozzle can be removed without spilling
  • Simple mechanics…minimum moving parts. Shutoff is activated by basic hydraulic principle with no springs, levers or complicated sequence leading to closure

Construction Details

  • Adaptor: Anodized aluminum Part A or Part F
  • Body: Anodized aluminum
  • Float: Nitrophyl-N
  • Plunger and dashpot: Brass
  • Upper tube and float guard: Aluminum
  • Linkage: Stainless steel
  • Shut off mechanism: Anodized aluminum


Code Compliance

NFPA 30, 30A, UFC, IFC, PEI/RP 200, and PEI/RP 600

Weight 9 lbs
Dimensions 28 × 6 × 6 in

Type F, Type A, No Adapter

Shut-Off Height

2", 4", 6"

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