Griffco Flow Curves
Download PDF files of Griffco Flow Curves for Back Pressure and Pressure Relief Valves
Please note that the drawings below 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.
Griffco Valve Flow Curves
| Back Pressure & Pressure Relief Valves | Pulsating Flow | Continuous Flow |
| Port Size | Series | Pressure | Imperial (P) | Metric (P) | Imperial (C) | Metric (C) |
|---|---|---|---|---|---|---|
| 1/4" (DN 8) | M | 150 psi (10 bar) | ||||
| 1/4" (DN 8) | M | 250 psi (17 bar) | ||||
| 1/4" (DN 8) | M | 350 psi (25 bar) | ||||
| 3/8" (DN 10) | M | 150 psi (10 bar) | ||||
| 3/8" (DN 10) | M | 250 psi (17 bar) | ||||
| 3/8" (DN 10) | M | 350 psi (25 bar) | ||||
| 1/2" (DN 15) | M | 150 psi (10 bar) | ||||
| 1/2" (DN 15) | M | 250 psi (17 bar) | ||||
| 1/2" (DN 15) | M | 350 psi (25 bar) | ||||
| 1/2" (DN 15) | Unibody | 150 psi (10 bar) | ||||
| 3/4" (DN 20) | Unibody | 150 psi (10 bar) | ||||
| 1" (DN 25) | Unibody | 150 psi (10 bar) | ||||
| 1/2" (DN 15) | G | 150 psi (10 bar) | ||||
| 1/2" (DN 15) | G | 250 psi (17 bar) | ||||
| 1/2" (DN 15) | G | 350 psi (25 bar) | ||||
| 3/4" (DN 20) | G | 150 psi (10 bar) | ||||
| 3/4" (DN 20) | G | 250 psi (17 bar) | ||||
| 3/4" (DN 20) | G | 350 psi (25 bar) | ||||
| 1" (DN 25) | G | 150 psi (10 bar) | ||||
| 1" (DN 25) | G | 250 psi (17 bar) | ||||
| 1" (DN 25) | G | 350 psi (25 bar) | ||||
| 1-1/2" (DN 40) | G | 150 psi (10 bar) | ||||
| 2" (DN 50) | G | 150 psi (10 bar) | ||||
| 3" (DN 80) | G | 150 psi (10 bar) | ||||
| 4" (DN 100) | G | 150 psi (10 bar) | ||||
| 1/2" (DN 15) | High-Flow | 150 psi (10 bar) | ||||
| 3/4" (DN 20) | High-Flow | 150 psi (10 bar) | ||||
| 1" (DN 25) | High-Flow | 150 psi (10 bar) | ||||
| 1/4" (DN 8) | High-Pressure | 1750 psi (120 bar) | ||||
| 3/8" (DN 10) | High-Pressure | 1750 psi (120 bar) | ||||
| 1/2" (DN 15) | High-Pressure | 1750 psi (120 bar) | ||||
| 1" (DN 25) | High-Pressure | 1750 psi (120 bar) |
