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

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)