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Griffco Valve Flow Curves

Click in the grid below to download PDF files of Griffco back pressure and pressure relief valve flow curves.

Please note that these drawings are the copyright of Griffco Valve, Inc., intended solely for the use of authorized Griffco Valve representatives and qualified customers or prospects for use in designing chemical pumping systems and specifying Griffco Valve products.

Back Pressure & Pressure Relief Valves

Pulsating Flow

Continuous Flow

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Port Size Series Pressure Imperial (P) Metric (P) Imperial (C) Metric (C)
1/4" (DN 8) M 150 psi (10 bar) Download Download Download Download
1/4" (DN 8) M 250 psi (17 bar) Download Download Download Download
1/4" (DN 8) M 350 psi (25 bar) Download Download Download Download
3/8" (DN 10) M 150 psi (10 bar) Download Download Download Download
3/8" (DN 10) M 250 psi (17 bar) Download Download Download Download
3/8" (DN 10) M 350 psi (25 bar) Download Download Download Download
1/2" (DN 15) M 150 psi (10 bar) Download Download Download Download
1/2" (DN 15) M 250 psi (17 bar) Download Download Download Download
1/2" (DN 15) M 350 psi (25 bar) Download Download Download Download
1/2" (DN 15) Unibody 150 psi (10 bar) Download Download Download Download
3/4" (DN 20) Unibody 150 psi (10 bar) Download Download Download Download
1" (DN 25) Unibody 150 psi (10 bar) Download Download Download Download
1/2" (DN 15) G 150 psi (10 bar) Download Download Download Download
1/2" (DN 15) G 250 psi (17 bar) Download Download Download Download
1/2" (DN 15) G 350 psi (25 bar) Download Download Download Download
3/4" (DN 20) G 150 psi (10 bar) Download Download Download Download
3/4" (DN 20) G 250 psi (17 bar) Download Download Download Download
3/4" (DN 20) G 350 psi (25 bar) Download Download Download Download
1" (DN 25) G 150 psi (10 bar) Download Download Download Download
1" (DN 25) G 250 psi (17 bar) Download Download Download Download
1" (DN 25) G 350 psi (25 bar) Download Download Download Download
1-1/2" (DN 40) G 150 psi (10 bar) Download Download Download Download
2" (DN 50) G 150 psi (10 bar) Download Download Download Download
3" (DN 80) G 150 psi (10 bar) Download Download Download Download
4" (DN 100) G 150 psi (10 bar) Download Download Download Download
1/2" (DN 15) High-Flow 150 psi (10 bar) Download Download Download Download
3/4" (DN 20) High-Flow 150 psi (10 bar) Download Download Download Download
1" (DN 25) High-Flow 150 psi (10 bar) Download Download Download Download
1/4" (DN 8) High-Pressure 1750 psi (120 bar) Download Download Download Download
3/8" (DN 10) High-Pressure 1750 psi (120 bar) Download Download Download Download
1/2" (DN 15) High-Pressure 1750 psi (120 bar) Download Download Download Download
1" (DN 25) High-Pressure 1750 psi (120 bar) Download Download Download Download