Fitting size 1/6 to 1/3 1/6 to 1/3 1/6 to 1/3 1/6 to 1/3 1/6 to 1/3 3 to 7 3 to 7 3 to 7 5 to 10 5 to 10 Appropriate tightening rotations Equivalent tightening torque (N・m) KF�ｭ-04 KF�ｭ-06 KF�ｭ-08 KF�ｭ-10 KF�ｭ-12 1. Please consult with SMC regarding fluids other than air and steam. 2. How to connect elbow type connector 1) First tighten by hand, then use an appropriate wrench to tighten 1/6 to 1/3 turns additionally. Refer to the table below for equivalent tightening torque. Caution Piping Series KF Specific Product Precautions 1 Be sure to read before handling. Refer to front matter 56 for Safety Instructions and pages 13 to 16 for Fittings and Tubing Precautions. Caution Caution Selection Piping Fitting size 1.5 to 2.0 1.5 to 2.0 1.5 to 2.0 1.5 to 2.0 1.5 to 2.0 2 to 7 3 to 8 4 to 9 6 to 9 9 to 12 1.5 1.5 1.5 1.5 1.5 2 to 4 4 to 6 6 to 9 10 to 12 10 to 12 Appropriate tightening rotations Resin Brass Sleeve material Equivalent tightening torque (N・m) Appropriate tightening rotations Equivalent tightening torque (N・m) KF�ｭ04 KF�ｭ06 KF�ｭ08 KF�ｭ10 KF�ｭ12 1. Installation of tubing 1) Take a tube having no flaws on its periphery and cut it off at right angles. Do not use pinchers, nippers or scissors, etc. The tubing might be cut diagonally or flattened, making installation impossible or causing problems such as disconnection and leakage. 2) Without loosening the union nut, grab the tube and gently push it thoroughly into the fitting. 3) After insertion, confirm that the tube will not disconnect. 4) When the union is loose, tighten it additionally, temporarily by hand. 5) After fixing the body with the tightening tool, tighten the union nut with an appropriate wrench, applying the torque as shown below. After tightening the clearance between the union nut and the body in the axial direction is about 2 mm. Elbow connector Union nut Sleeve Body Swivel elbow connector 143 KQ2 KQB2 KS KX KM KF M H/DL L/LL KC KK KK130 DM KDM KB KR KA KQG2 KG KFG2 MS KKA KP LQ MQR T