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T21 Technical Tables Thread dimensions for cable glands Thread and hole dimensions technical data for installation Metric thread to EN 60423 (for screw connections to IEC 62444) Nominal size D1 P D2 Hole D3 M6 x 1 6 1 5.2 6.0 + 0.2 M8 x 1 8 1 7.1 8.0 + 0.2 M10 x 1 10 1 9.1 10.0 + 0.2 M12 x 1.5 12 1.5 10.6 12.0 + 0.2 M16 x 1.5 16 1.5 14.6 16.0 + 0.2 M20 x 1.5 20 1.5 18.6 20.0 + 0.2 M25 x 1.5 25 1.5 23.6 25.0 + 0.2 M32 x 1.5 32 1.5 30.6 32.0 + 0.3 D1 = External- M40 x 1.5 40 1.5 38.6 40.0 + 0.3 D2 = Core internal thread D3 = Hole M50 x 1.5 50 1.5 48.6 50.0 + 0.4 P = Pitch M63 x 1.5 63 1.5 61.6 63.0 + 0.4 M75 x 1.5 75 1.5 73.6 75.0 + 0.5 M90 x 2 90 2 88.8 90.0 + 0.5 M110 x 2 110 2 108.8 110.0 + 0.5 Metric thread to DIN 13 part 6 and 7 (for screw connections to DIN 89 280) Nominal size D1 P D2 Hole D3 M18 x 1.5 18 1.5 16.4 18.3 0.2 M24 x 1.5 24 1.5 22.4 24.3 0.2 M30 x 2 30 2 27.8 30.3 0.2 M36 x 2 36 2 33.8 36.3 0.2 M45 x 2 45 2 42.8 45.4 0.3 M56 x 2 56 2 53.8 56.4 0.3 M72 x 2 72 2 69.8 72.5 0.4 M80 x 2 80 2 77.8 80.5 0.4 M105 x 2 105 2 102.8 105.5 0.4 PG thread to DIN 40430 Nominal size D1 P D2 Hole D3 PG 7 12.5 1.27 11.3 12.8 0.2 PG 9 15.2 1.41 13.9 15.5 0.2 PG 11 18.6 1.41 17.3 18.9 0.2 PG 13.5 20.4 1.41 19.1 20.7 0.2 PG 16 22.5 1.41 21.2 22.8 0.2 PG 21 28.3 1.588 26.8 28.6 0.2 PG 29 37.0 1.588 35.5 37.4 0.3 PG 36 47.0 1.588 45.5 47.4 0.3 D1 = External- PG 42 54.0 1.588 52.5 54.4 0.3 D2 = Core internal thread D3 = Hole PG 48 59.3 1.588 57.8 59.7 0.3 P = Pitch NPT thread to ANSI B1.20.2 Nominal size D1 P Hole D3 NPT 1/4 13.7 1.41 14.1 0.2 NPT 3/8 17.1 1.41 17.4 0.2 NPT 1/2 21.3 1.81 21.6 0.2 NPT 3/4 26.7 1.81 27.0 0.2 NPT 1 33.4 2.21 33.7 0.2 NPT 1 1/4 42.2 2.21 42.5 0.2 D1 = External- D3 = Hole NPT 1 1/2 48.3 2.21 48.7 0.2 P = Pitch NPT 2 60.3 2.21 60.7 0.2 1130 For current information see: www.lappgroup.com APPENDIX ACCESSORIES FLEXIMARK SILVYN SKINTOP EPIC HITRONIC ETHERLINE UNITRONIC LFLEXTechnical Tables T21 Tightening torques and installation dimensions for cable glands Tightening torques* for SKINTOP metric cable glands Table of recommended tightening torques (domed cap nut, connection thread) for metric SKINTOP glands to achieve ingress protection and category A strain relief according to IEC 62444. For more information regarding the protection rating, see the product page. Tightening torque in Nm Nominal size Plastic Metal M6 x 1 - 1.5 M8 x 1 - 3 M10 x 1 - 6 M12 x 1.5 1.5 8 M16 x 1.5 3.0 10 M20 x 1.5 6.0 12 M25 x 1.5 8.0 12 M32 x 1.5 10.0 18 M40 x 1.5 13.0 18 M50 x 1.5 15.0 20 M63 x 1.5 16.0 20 M63 x 1.5 plus - 25 M75 x 1.5 - 30 M90 x 2 - 45 M110 x 2 - 55 * NOTE: The values in the table above constitute the tightening torques for fittings and the maximum tightening torques for domed cap nuts under normal climatic conditions. Note that lower torques must be used with different cable insulation materials otherwise, the cable insulation may be damaged. For ATEX screw connections, see the corresponding operating instructions for the respective tightening torques (operating instructions can be found in the delivery bag). Tightening torques* for SKINTOP PG cable glands Tightening torques for fittings in Nm Tightening torques for domed cap nuts in Nm Nominal size Plastic Metal Plastic Metal PG 7 3.0 6.25 1.7 6.25 PG 9 4.0 6.25 2.5 6.25 PG 11 4.0 6.25 2.5 6.25 PG 13.5 4.0 6.25 2.5 6.25 PG 16 6.0 7.5 3.3 7.5 PG 21 8.0 10.0 5.0 10.0 PG 29 13.0 10.0 5.0 10.0 PG 36 13.0 10.0 5.0 10.0 PG 42 13.0 10.0 5.0 10.0 PG 48 13.0 10.0 5.0 10.0 * NOTE: The values in the table above constitute the tightening torques for fittings and the maximum tightening torques for domed cap nuts under normal climatic conditions. Note that lower torques must be used with different cable insulation materials otherwise, the cable insulation may be damaged. For ATEX screw connections, see the corresponding operating instructions for the respective tightening torques (operating instructions can be found in the delivery bag). Installation dimensions and wrench sizes for cable glands Diameter A indicates the installation space required for the relevant hexagon. This diameter corresponds to the width of the hexagon across corners plus an installation tolerance. SW A SW A SW A SW A 9 10.4 22 25.0 37 41.5 54 61.0 11 12.5 24 27.3 39 44.0 55 62.0 13 14.9 25 28.3 40 45.2 57 64.4 14 16.0 26 29.5 41 46.1 60 67.5 15 17.1 27 30.6 42 47.0 64 72.3 16 18.2 28 31.8 45 51.2 65 73.1 17 19.4 29 32.5 45 51.2 66 74.5 18 20.4 30 34.0 46 52.5 67 74.5 19 22.0 32 36.2 47 52.5 95 105.0 20 22.7 33 37.2 50 58.3 115 127.0 21 23.9 36 40.5 53 60.0 135 150.0 For current information see: www.lappgroup.com 1131 APPENDIX ACCESSORIES FLEXIMARK SILVYN SKINTOP EPIC HITRONIC ETHERLINE UNITRONIC LFLEX