NANO

FUEL SYSTEM 24 3. CNG TUBE FITTINGS / JOINTS TIGHTNING INSTRUCTIONS: A. SWAGING PROCEDURE 1. Tubes to be swaged and assembled in dust free environment. 2. Pipe joints to be leak proof at 250 bar. 3. All stainless steel pipes to be stored from ms metal and heavy sections. 4. It should be ensured that end of the pipe should be right angle to OD of the pipe. 5. If sleeve is used it should be on the tube to be cut 30 mm from end of the tube on both sides. 6. The id and ends of the tube should be clean and free from burr. 7. Insert coupling nut, back ferrule and front ferrule on the tube. 8. But the flat end of the pipe against the body of Swagelok 9. Hand tighten the coupling nut on the body and mark its position to 6 o'clock position. 10. Hold the body and turn the coupling nut by 1- 1/4 (one full and quarter) turn to its 9 o'clock position 11. Now the Swagelok process is over. remove the coupling nut to its original position.