166:PReturn to Excess Flow Check Valve - Model 166

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
X500	1.3	131.6	150	191	210	196	1,606	2,095	1,302	1,134	Get Quote
X562	1.2	144.2	158	201	221	207	1,692	2,206	1,371	1,194	Get Quote
X656	1.6	152.6	193	246	270	253	2,067	2,695	1,675	1,459	Get Quote
X722	2.2	152.4	226	288	316	296	2,420	3,156	1,961	1,708	Get Quote
X372	4.0	165.5	331	421	463	433	3,544	4,622	2,873	2,502	Get Quote
X1093	4.7	174.8	379	482	531	496	4,058	5,293	3,289	2,865	Get Quote
X574	6.1	164.8	407	518	570	533	4,358	5,684	3,532	3,076	Get Quote
X1014	10.3	166.7	535	681	749	700	5,729	7,471	4,643	4,044	Get Quote
X1016	11.9	167.3	577	734	808	755	6,179	8,058	5,007	4,361	Get Quote
X1101	18.0	162.9	691	879	968	904	7,399	9,649	5,997	5,223	Get Quote

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