PART NO. THREAD TUBE DIMENSIONS MPa E F D1 D2 l1 l2 L1 L2 S1 S2,S3 S4 31.5L 6C-12 M12X1.5 M12X1.5 6 6 7 27 22 42 17 14 17 6C-14 M14X1.5 M14X1.5 8 8 8 27 23 42 19 17 19 6C-16 M16X1.5 M16X1.5 10 10 10 28 25 43 22 19 22 6C-18 M18X1.5 M18X1.5 12 12 10 29 25 44 24 22 24 6C-22 M22X1.5 M22X1.5 15 15 12 31 27 46 27 27 30 6C-26 M26X1.5 M26X1.5 18 18 13.5 32.5 30 49 32 32 36 6C-30 M30X2 M30X2 22 22 16.5 34.5 33 51 36 36 41 16 L 6C-36 M36X2 M36X2 28 28 18.5 35.5 35 52 41 41 46 6C-45 M45X2 M45X2 35 35 18.5 36.5 40 58 50 50 55 6C-52 M52X2 M52X2 42 42 19 36 42 59 60 60 65 6D-14 M14X1.5 M14X1.5 6 6 12 29 27 44 19 17 19 63 S 6D-16 M16X1.5 M16X1.5 8 8 13 29 28 44 22 19 22 6D-18 M18X1.5 M18X1.5 10 10 14.5 29.5 31 46 24 22 24 6D-20 M20X1.5 M20X1.5 12 12 14.5 30.5 31 47 27 24 27 6D-22 M22X1.5 M22X1.5 14 14 17 32 35 50 30 27 30 6D-24 M24X1.5 M24X1.5 16 16 16.5 31.5 35 50 32 30 32 40S 6D-30 M30X2 M30X2 20 20 17.5 33.5 39 55 41 36 41 6D-36 M36X2 M36X2 25 25 20 35 44 59 46 46 46 6D-42 M42X2 M42X2 30 30 21.5 37.5 48 64 50 50 50 6D-52 M52X2 M52X2 38 38 22 37 53 68 65 60 65 31.5 S Note:In case if you are interested to order the adapter with lock nut,please insert suffix "LN" after our part no.for example 6C-30LN,order the adapter with cutting ring and nut,insert suffix "RN" after part no.,forexample 6C-30RN,order the adapter with lock nut and cutting ring and nut,insert suffix "LN/RN" afterpart no,forexample 6C-30LN/RN.