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Hydraulic Fitting Bolt

Application

Hydraulic fitting bolts are a new fitting bolt that can be applied to flange couplings. They are normally used in propeller shafts and intermediate shaft, intermediate shaft and intermediate shaft, intermediate shaft and main engine (or reduction gearbox) output shaft connections. The hydraulic fitting bolts can be also used in steam turbine, rolling mill or other adapting pieces with a high torque.

Features
  • Hydraulic fitting bolts are convenient and time saving to use. There is no tapping or freezing needed during installation and disassembly. Users only need a hydraulic pump, a hydraulic elongator and simple positioning sleeves
  • Hydraulic fitting bolts can be used repeatedly.
Parameters
Nominal aperture d (mm) Thread m (mm) Smallest thickness of flange assembly h (min) Extend long end length l1(mm) Extend short end length l2 (mm) Thickness of nut L3 (min) External diameter of nut d (mm)
＞38-40 M30×3.5 120 64 55 25 58
＞40-44 M33×3.5 125 64 55 27 60
＞44-49 M36×4 138 70 58 29 64
＞49-51 M39×4 143 78 62 31 68
＞51-55 M42×4.5 152 83 68 34 74
＞55-58 M45×4.5 158 87 70 36 78
＞58-62 M48×5 160 91 72 39 82
＞62-68 M52×5 172 99 78 42 90
＞68-73 M56×5.5 184 106 84 45 98
＞73-78 M60×5.5 196 114 90 48 102
＞78-83 M64×6 208 122 96 52 112
＞83-88 M68×6 220 128 102 55 118
＞88-93 M72×6 232 134 106 58 126
＞93-98 M76×6 244 140 110 61 130
＞98-104 M80×6 258 146 114 64 138
＞104-112 M85×6 272 154 120 68 148
＞112-118 M90×6 288 162 126 72 155
＞118-124 M95×6 304 170 132 76 164
＞124-130 M100×6 320 178 138 80 172
＞130-138 M105×6 335 186 144 84 182

Index
marine bolt, marine accessories
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Nantong Navigation Machinery Group Co.,Ltd.

Add.: No. 6 Yongxing Road, Gangzha Economic Development Area, Nantong City, Jiangsu Province
Tel.: +86-513-83520061
Fax: +86-513-83527356

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