166:MReturn 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
X733	0.3	87.6	48	61	67	63	514	670	417	363	Get Quote
X723	0.6	82.6	65	83	91	85	696	908	564	491	Get Quote
X743	0.7	82.5	71	90	99	93	760	992	616	537	Get Quote
X596	1.5	84.1	103	131	144	135	1,103	1,438	894	779	Get Quote
X673	3.1	76.1	134	171	188	175	1,435	1,871	1,163	1,013	Get Quote
X395	5.0	66.2	148	188	207	194	1,585	2,067	1,284	1,119	Get Quote
X520	6.2	76.3	190	242	266	249	2,035	2,653	1,649	1,436	Get Quote
X590	7.0	77.3	205	261	287	268	2,195	2,863	1,779	1,550	Get Quote
X589	8.7	74.9	221	281	310	289	2,367	3,086	1,918	1,670	Get Quote
X561	8.8	76.2	226	288	317	296	2,420	3,156	1,961	1,708	Get Quote
X588	14.5	72.7	277	353	388	363	2,966	3,868	2,404	2,094	Get Quote

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