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166:KReturn to Excess Flow Check Valve - Model 166

Model 166 K Dimensions
Model 166 K Dimensions

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