Hydraulic Fitting Bolt

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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