Plunger Diameter	Displacement at Pump Strokes Per Minute
	75		100		200		300		330
inches	gpm	psi	gpm	psi	gpm	psi	gpm	psi	gpm	psi
4	98	15,000	131	15,000	261	10,680	392	7,120	431	6,475
4-1/2	124	14,155	165	14,155	330	8,415	496	5,610	545	5,095
5	153	11,465	204	11,465	408	6,805	612	4,540	673	4,125

 

Ratings are based on 90% mechanical efficiency and 100% volumetric efficiency.