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302 Back Pressure Check Valve
302 Back Pressure Check Valve
302 Back Pressure Check Valve Cross Section
Picture of Model 302

Model 302 Threaded Style Back Pressure Check Valves

  • Valve will slip inside Schedule 80 or less steel pipe.
  • Valve is designed to be threaded into tank nozzle. A 1/4” notch is provided to ease installation.
  • Generous flow channels provide minimal pressure drops.
  • Heavy duty steel construction will withstand temperatures from -40ᴼ F (-40ᴼ C) to +300ᴼ F (+148ᴼ C) and internal pressures up to 3000 psig (207 barg).
  • Complete stainless steel construction available for greater range of operating temperatures.
Series Pipe Size A - CLOSED B-MNPT C D E
302:H 1.5 1.96 1 1/2 - 11 1/2 .62 1.28 1.44 Get Quote
302:I 2 2.67 2 - 11 1/2 0.58 1.50 1.91 Get Quote
302:K 3 3.67 3 - 8 0.95 2.00 2.88 Get Quote
302:M 4 4.48 4 - 8 1.05 2.38 3.75 Get Quote
302:P 6 5.52 6 - 8 1.25 4.00 5.56 Get Quote
302:Q 8 5.98 8 - 8 1.44 4.25 7.50 Get Quote
All Size Values are in Inches.
  Carbon Steel 316 Stainless
Body Low-temp Carbon 316-SS
Guide Low-temp Carbon 316-SS
Spring --- 316-SS or 302-SS ---
Poppet(incl. nut and cotter pin) --- 316--SS ---

*Alternative materials available at additional cost

MGM Model 302 Back Pressure Check Valves allow flow in one direction only and are designed for use in threaded tank nozzles. They are made completely of carbon and stainless steel. Bodies are machined from bar stock, not castings, for added durability.

Model 302 Back Pressure Check Valves have male pipe thread on the bottom end. The valve can be mounted in any orientation with negligible effect on flow rate. Each valve will have the proper flow direction indicated by an arrow stenciled into the body. As with all MGM Back Pressure Check Valves, do not reduce outlet pipe size. Back Pressure Check Valves should be installed as close as possible to the container, with the poppet stem pointed inwardly toward the container.