166:KReturn 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
X1013	0.8	16.8	15	19	21	20	161	210	130	113	Get Quote
X1326	1.0	27.0	27	34	38	35	289	377	234	204	Get Quote
X671	1.6	41.9	53	68	74	69	568	740	460	401	Get Quote
X672	2.3	39.6	60	76	84	79	643	838	521	454	Get Quote
X586	2.7	39.6	65	83	91	85	696	908	564	491	Get Quote
X384	5.2	39.0	89	113	125	117	953	1,243	772	673	Get Quote
X756	5.5	39.7	93	118	130	122	996	1,299	807	703	Get Quote
X593	9.1	40.1	121	154	169	158	1,296	1,690	1,050	915	Get Quote
X914	9.6	39.7	123	157	172	161	1,317	1,718	1,067	930	Get Quote
X1086	14.9	37.0	143	182	200	187	1,531	1,997	1,241	1,081	Get Quote

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