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COUPLINGS The chart below indicates standard couplings offered for each type and size of Imperial hose products. Please consult your dealer for other available coupling options. NH NPSH Storz Storz Hose Type RL RL PL RL RL PL Expansion Clamp Size Aluminum Brass Brass Aluminum Brass Brass Ring F187 1" x 1-1/2" x x 90NRR and M 1 " x x 1-1/2" x x x x x x 2" x x x 2-1/2" x x x x x x 3" x x 70S6, 70S5, and 70S3 1-1/2" x x x x x x 2-1/2" x x x x x x 70D8, POLYLITE, 40D8 and 70D6 1-1/2" x x x x x x 1-3/4" x x 2-1/2" x x x x x 3" x x SUPERLITE, 661, 662 1-1/2" x x x x x x 1-3/4" x x 2" x 2-1/2" x x x 3" x x SUPER ATTACK, 629, AG 1" x x 1-1/2" x x x x x x 1-3/4" x x x 2" x x x x 2-1/2" x x x x x x 3" x x AG, SUPERFLOW 3" x x x 4" x x 5" x x x Legend NH = National Standard Thread RL = Rocker Lug NPSH = National Straight Pipe Thread PL = Pin Lug Rev. 04-2006 Imperial recommends annual hydrostatic service testing of all hoses in accordance with NFPA 1962 guidelines.
