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FlameGuard® CPVC FIRE SPRINKLER PIPING PRODUCTS ' <br /> ) SPEARS <br /> CPVC SPECIAL REINFORCED <br /> THREAD INLET SWING CHECK VALVES <br /> SR Fipt x Socket <br /> I <br /> A 11111111111 I <br /> 1 <br /> B-i- <br /> Part Number Size A B C D C„(GPM) <br /> S1520-10FSRSCO 1 1-11/16 2-15/16 4-9/16 2-5/8 .33 <br /> S1520-12FSRSCO 1-1/4 2-1/16 3-5/8 5-1/2 3-3/8 .42 <br /> S1520-15FSRSCO 1-1/2 2-7/16 3-11/16 5-5/8 3-3/8 .89 <br /> SOCKET DIMENSIONS <br /> SCH 40-ASTM F438 <br /> SCH 80-ASTM F439 <br /> I.-C-.I <br /> In A <br /> Size Socket Socket Tolerance SCH 40 Minimum SCH 80 Minimum <br /> Entrance A Bottom B Socket Length C Socket Length C <br /> 3/4 1.058 1.046 ±.004 .719 1.000 <br /> 1 1.325 1.130 ±.005 .875 1.125 <br /> 1-1/4 1.670 1.655 ±.005 .938 1.250 <br /> 1-1/2 1.912 1.894 ±.006 1.094 1.375 <br /> 2 2.387 2.369 ±.005 1.156 1.500 <br /> 2-1/2 2.889 2.868 ±.007 1.750 1.750 <br /> 3 3.516 3.492 ±.008 1.875 1.875 <br /> MADE IN THE U.S.A. 26 <br />