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Parker 003371004 337 Series Brass Micrometer Flow Control Valve, 3/4" NPTF Port, 250 psi, Fine Adjustment, 140 scfm

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Specifications for this item
Overall Height
3.72  inches
Overall Width
1.06  inches
Pressure Flow Rate
327  Cubic Feet Per Minute
Part Number
Brand Name
Style Name
Number of Items
Material Type
Color Name
Size Name
Manufacturer Series Number
337 Series
Upper Temperature Range
180  Degrees Fahrenheit
Maximum Pressure
250  PSI
Connector Type
System of Measurement
Overall Length
3.25  inches
LowerTemperature Range
0  Degrees Fahrenheit

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Key Features

  • Brass inline flow control valve with aluminum knob
  • 250psi Maximum operating pressure
  • 0 to 180 degree F operating temperature
  • 140 scfm Adjustable flow and 327 scfm free flow
  • 3/4" NPTF port size

Package Details

Shipping Weight: 1.35 pounds
Package Size: 4.6 x 3.7 x 1.4 inches

Product Description

The "337" Series Flow Control Valves meter flow of air in one direction and allow free flow in the reverse direction. The "337" Series valves are manufactured with a fine tapered needle providing precise flow control, even at low flow rates. The perimeter of the adjustment knob features numerical micrometer position markings providing a visual indication of the setting. Once the desired flow is selected, a set screw can be tightened to maintain the setting. Stainless steel needle, urethane check seal, buna N needle seals, aluminum knob, stainless steel spring and zinc- plated steel retainer. 3.72" Open height and 3.31" closed height. 140 scfm Adjustable flow and 327 scfm free flow at 100 PSIG inlet pressure with full pressure drop.

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