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Clapper Siamese Connections Single Clapper Siamese Connections 21-201 / 21-202 21-201 Y Type 'short body' - Single Clapper Siamese Dimensions (inches) Size Underwriters Listed. FM approved, ULC A B C 4 x 2½ x 2½ 5-1/8 9 6-1/16 Dimensions (inches) 21-202 Size A B 90° Single Clapper Siamese Underwriters Listed 4 x 2½ x 2½ 6-7/8 9-7/8 Single swing clapper with (2) pin lug swivel inlets. Provides the required 500 gpm minimum to supplement the fire protection as an auxiliary inlet connection to the water supply. (250 GPM minimum per inlet.) The swing clapper design provides unobstructed waterway. Exposed Fire Department Connections (FDC) provide an economical method of satisfying local fire codes. · Cast brass finish -P polished · U/L listed and FM approved -C polished chrome plated · Branding: Auto-Spkr · For use up to 250 PSI Back Outlet - (straight) Outlet (2) Inlets Dixon Powhatan Female NPT Female NH (NST) Part # Part # 4" 2½" NH SCS4025F 21-201-01976 4" 2½" NH SCS4025F-C 21-201-02004 4" 2½" NYFD SCS4025NYFD 21-201-01992 Bottom Outlet - (90°) Outlet (2) Inlets Dixon Powhatan Female NPT Female Part # Part # 4" 2½" NH 90SCS4025F 21-202-00054 4" 2½" NH 90SCS4025F-SP 21-202-00066 4" 2½" NYFD 90SCS4025NYFD 21-202-00082 2-2 Dixon Powhatan 2007 Clapper Siamese
