Skip Content

Please Upgrade Your Browser Grainger will no longer support Internet Explorer 8 as of 07/2018. Please upgrade your browser or contact your System Administrator for support.


4 to 20 gpm Mechanical Mechanical Flowmeter

  • Item # 40M286
  • My Part #
  • Mfr. Model # 40M286
  • Catalog Page # N/A
  • UNSPSC # 41112501
4 to 20 gpm Mechanical Mechanical Flowmeter close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $164.00 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 3.4 lbs.
Country of Origin India Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

Inlet and outlet ports can be rotated in 90° increments to ease installation. Not for resale measuring use.
Note: Do not for use with water-based liquids.

View More

Technical Specs

  • Item Mechanical Flowmeter
  • Flowmeter Product Group Mechanical Flowmeter
  • For Pipe Size 3/4"
  • Connection Size 3/4"
  • Connection Type FNPT
  • Fluid Temp. Range -10 Degrees to 150 Degrees F
  • Wetted Materials Aluminum, Poly Butylene terephathalate (PBT) Stainless Steel, Viton
  • Max. Pressure 50 psi
  • Flow Range 4 to 20 gpm
  • Max. Viscosity 9088 SSU
  • Flow Material Diesel, Gasoline, Bio Diesel, Low to Medium Viscosity Oils
  • Type Mechanical
  • GPM Max. 20
  • Length 6"
  • Width 5-5/16"
  • Height 4-1/8"
  • Housing Material Aluminum
  • Chamber Material Aluminum
  • Seal Material Viton
  • Accuracy (%) +/- 1
  • Display Mechanical
  • Resetable Cumulative Totalizer 999.9 gal.
  • Master Totalizer 99999.9 gal.
  • Pressure Drop - 100% Flow (PSI) 3.00 psi
  • O-Ring Viton
  • Depth 6"
  • Thread 3/4" FNPT
  • Application For use with Gasoline, Bio Diesel, Low to Medium Viscosity Oils
  • Manufacturers Warranty Length 1 yr.
How can we improve our Technical Specifications?

Compliance and Restrictions

Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.