217:KReturn 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
X769	2.0	43.8	62	79	87	81	664	866	538	469	Get Quote
X770	3.5	40.6	76	97	106	99	814	1,061	660	574	Get Quote
X771	5.2	42.1	96	122	134	126	1,028	1,341	833	726	Get Quote
X772	9.5	41.2	127	162	178	166	1,360	1,773	1,102	960	Get Quote

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