217:MReturn to Excess Flow Check Valve - Model 217

Flow Rating

The table on the following page shows the range of flow rates available for common fluids. Each size valve has several different spring options that can be used to vary the closing flow rate. Please contact MGM for assistance in choosing the proper spring for your specific application.

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			LIQUID FLOW RATES (GALLONS PER MINUTE)				VAPOR FLOW RATES (SCFM*)
SPRING	Delta P	CV	WATER	NH3	PROPANE	BUTANE	AIR	NH3	PROPANE	BUTANE
X785	0.6	77.5	60	76	84	79	642	838	521	454	Get Quote
X786	1.8	77.5	104	132	146	136	1,114	1,452	903	786	Get Quote
X787	5.0	69.8	156	199	218	204	1,670	2,178	1,354	1,179	Get Quote
X788	7.8	71.6	200	255	280	262	2,142	2,793	1,736	1,512	Get Quote

*Vapor flow rates are shown at 60 degrees F, 100 psig