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To New “KQ2” KQ, KQ2 and KJ consolidated into “KQ2” Light weight Enhanced variation Compact New Series KQ2 Miniature One-touch Fittings Series KJ Thread material/Surface treatment (Treated or Non-treated): 2 types M R G Uni UNF NPT M R Uni P.1 P.1 P.73 P.65 P.85 P.95 P.101 P.33 P.57 P.109 P.33 P.57 Body type: totaled 51models Seal method: 3 types Metric size Inch size Applicable tubing O.D. Connection thread Gasket seal Sealant Seal method Face seal One-touch Fittings KQ2 Improved tube insertion/removal Insertion force: 30% reduction Removal force: 20% reduction. Existing model KJ o11.6 17.8 18.5 Compact and lightweight . Existing model KQ2 series Male elbow/Applicable tubing O.D.: o6/Connection thread: R1/8 New KQ2 19.4 o10.4 15.5 Dimensions Height direction Weight 24. % shorter Dimensions Horizontal direction 23. % shorter lighter 57. % Max. Max. . Tube pulling out strength is ensured to be equivalent to existing model. o12.8 20 25.5 Existing model KQ2 New New One-touch Fittings CAT.ES50-37C Series KQ2 RoHS New