Click for larger image and other views

How can we improve our images or Product Specifications?

Parker 003371001 337 Series Brass Micrometer Flow Control Valve, 1/4" NPTF Port, 250 psi, Fine Adjustment, 28 scfm

Be the first to review this item


Specifications for this item
Overall Height
2.28  inches
Overall Width
0.75  inches
Pressure Flow Rate
75  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
1.47  inches
LowerTemperature Range
0  Degrees Fahrenheit

This item is no longer available

This item ships for FREE with 2-Day Shipping on orders over $50. (Details)

Want it delivered on Tue, Apr 21? Order in-stock items in the next 1 day 15 hrs 31 mins and choose One-Day Shipping at checkout.

  • Share

This item has already been added to

Update Quantity Cancel

Select a List Create New List

You can add a description later

Key Features

  • Brass inline flow control valve with aluminum knob
  • 250psi Maximum operating pressure
  • 0 to 180 degree F operating temperature
  • 28 scfm Adjustable flow and 75 scfm free flow
  • 1/4" NPTF port size

Package Details

Shipping Weight: 0.25 pounds
Package Size: 5.9 x 3.2 x 0.4 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. 2.28" Open height and 2.03" closed height. 28 scfm Adjustable flow and 75 scfm free flow at 100 PSIG inlet pressure with full pressure drop.

How can we improve our Product Description?

Customer Reviews

There are no customer reviews yet.

Be the first to review this item

Go to the HomePage

Order by Phone
M-F 8am-10pm ET, Sat-Sun 8am-5pm ET 800-220-4242

My Account| Returns| Help

Website Feedback| Contact Us| Sell on AmazonSupply| Become an Affiliate

Privacy Notice| Conditions of Use

Follow Us 

© 2015, Inc. and its affiliates.