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A Pipe and Welding Fittings Straub Open-Flex 1L Couplings B Straub Open-Flex 1L couplings are suitable for repairing or joining pipes where access to the pipe end is difficult or not possible. This unique wrap-around design differs from similar type repair products because the installation or repair is permanent due to the unique flexible lipseal gasket design. Open-Flex couplings will also act as an expansion joint. Straub C Open-Flex couplings do require the pipes to be properly anchored and restrained as they are not pull-out resistant like the Straub Grip-L couplings. Use Straub Open-Flex couplings to replace bolted sleeve type couplings (AWWA Std. C-219) or for permanent repairs or installation. Specifications: D · Casing: AISI 316Ti · EPDM sealing sleeve: temperature range - 4°F to 176°F · Screws: AISI 4135 steel (-20°C to 80°C) · Bolts: AISI 12L 14 Galvanized E F G H I Maximum Pipe O.D. Working Distance Nominal Coupling Assembled Weight Price (in.) Pressure Between Size (in.) (in.) (lbs.) Part # Each PSI Pipe End (in.) Actual Range B C H DV KV R J 1½" 1.90 1.85 - 1.95 232 3.0 1.4 .28 2.8 3.3 .20 1.10 STR35001 $192.45 2" 2.38 2.32 - 2.42 232 3.0 1.4 .28 3.2 3.7 .20 1.34 STR35151 203.85 2½" 2.88 2.81 - 2.93 232 3.7 2.0 .36 3.7 4.6 .20 1.80 STR35201 221.85 3" 3.50 3.44 - 3.56 232 3.7 2.0 .36 4.4 5.2 .20 2.10 STR35351 232.50 K 4" 4.50 4.43 - 4.57 232 3.7 2.0 .36 5.4 6.2 .20 2.33 STR35651 245.90 5" 5.56 5.51 - 5.62 232 4.2 2.4 .38 6.4 6.9 .20 3.20 STR35901 309.75 6" 6.63 6.52 - 6.71 232 4.2 2.4 .38 7.5 8.1 .20 3.70 STR36051 332.60 L Not pull-out resistant. Assembly tool available, GrooveJointsFittingsFittingsFittingsFittingsFittingsFittingsFittingsFittingsFittingsWelding&RepairFittingsClampsValves part # STR6648, $257.15 BrassPlasticHydraulicShankHoledallSanitaryAirFireHosePipe&BossMaintenanceSwivelTankTruck&Cam Ensure that pipes are properly anchored and supported. M · Joins like or dissimilar pipe materials: steel, galvanized, painted, stainless steel, thin-wall stainless steel, PVC, copper · Requires no special tools or pipe-end preparation; only a torque wrench is required for a secure and safe pipe connection that seldom needs retightening. N · Highest quality 316 Ti stainless steel construction · Accommodates up to 5° of pipe misalignment · Vary gap between pipe ends · Absorbs vibration, water hammer, and sound O · Acts an an expansion joint; will accept up to .25" of axial movement · 5 year limited warranty · Reusable · Conforms to ASTM 1476, Type 2, Class 3 specifications P DPL108 457 pages456-484.pmd 457 10/5/2007, 10:25 AM
