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Kingston 305A Series Brass Quick Opening Flow Control Valve, Squeeze Lever, 1/4" NPT Female

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Specifications for this item
Overall Height
2-31/32  inches
Part Number
Handle Type
Squeeze Lever
Brand Name
Kingston Valves
Style Name
Number of Items
Material Type
Size Name
Manufacturer Series Number
305A Series
Upper Temperature Range
200  Degrees Fahrenheit
Connector Type
NPT Female
Maximum Working Pressure
400  PSI
System of Measurement
Overall Length
2-5/32  inches

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Key Features

  • Heavy duty construction for lasting performance; Heavy Duty Flow Control
  • Kingston quality design, engineering and precision manufacturing
  • Precision machined for smooth operation
  • Stainless steel or music wire spring depending on set pressure
  • Tested in National Board Approved Quality Assurance Process

Package Details

Shipping Weight: 1.25 pounds
Package Size: 6.4 x 6.4 x 4.8 inches

Product Description

Kingston Model 305A Normally Closed, Quick Opening Valve, often referred to as a Whistle Valve has a body of heavy cast brass with internal components of machined brass. Springs are stainless steel. The standard valve disc and O-ring are Buna-N. Teflon and Viton seals are available on most sizes. Maximum working pressure, 400 psi, at 60°F. Maximum working temperature, 200°F. This valve has been in service for years on agricultural and industrial applications, for both compressed air and liquid. This valve is not recommended for steam service. Applications requiring manual operation at pressures above 150 psi, please refer to Kingston Model 305B Balanced Flow Control Valves.

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