880 kN Subsea Bolt Tensioner

Model code:WST5
Capacity range 880 kN
Sizes M45 to M52 and 1-3/4”, 2”
Piston stroke up to 30 mm except WST1
7 different load cells cover all ranges
Working pressure 1500 bar maximum
Twin in-output ports in each load cell
Special protection against corrosion
Anti-slip surface for more secure handling
Auto compensation for misalignments
Overstroke prevention without leakage
Rapid securing or reliable reaction nut
Load cell accompanied by a tommy bar

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Subsea Tensioners - Load Cells – High-Performance Solutions

Aquajack subsea hydraulic tensioners provide a highly economical method for tightening bolts or studs underwater. They can be quickly and accurately positioned even in low visibility environments, thanks to their compact design and extended piston stroke. The innovative Split Nut feature of these tools enables swift application to extended bolts and those with damaged threads, as well as quick removal of the tool.

Datasheet

WST Subsea Bolt Tensioner Datasheet

Bolt Tensioners Technichal Table

Model	Size		Force	Stroke	Hydraulic Effective Area		H1	H2	B	D1	D2	D	Min. Bolt Length
	Metric	Imp	kN	mm	in²	mm²	mm	mm	mm	mm	mm	mm	mm
WST1	M20	3/4” 7/8”	141	20	1.96	943	96	117	38	45	60	66	107
	M22												105
WST2	M24	1” 1-1/8”	237	30	2.45	1585	127	147	51	56	75	82	139
	M27												136
	M30												134
WST3	M33	1-1/4” 1-3/8”	379	30	3.92	2532	137	162	58	67.5	92	97	142
	M36												139
WST4	M39	1-1/2” 1-5/8”	551	30	5.69	3676	145	169	63	80	106	111	147
	M42												144
WST5	M45	1-3/4” 1-7/8” 2”	880	30	9.10	5868	158	189	73	96	124	136	160
	M48												158
	M52												154
WST6	M56	2-1/4” 2-1/2” 2-3/4”	1564	30	16.17	10433	180.5	223	92.5	129	166	177	178
	M60												175
	M64												172
	M68												169
	M70												165
WST7	M76	3” 3-1/4” 3-1/2”	2419	30	26.63	16128	202	255	82	163	205	217	195
	M80												192
	M85												188
	M90												184

Bolt Tensioner Size Table (mm)

Model	A	B	C	D1	D2	E	F	G	H1	H2	Weight
	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	kg
WST1	33	38	40	45	60	48	19	66	96	117	1.7

WST2	45	51	56	56	75	60	24.5	82	127	147	3


WST3	50	58	63	67.5	92	77	28	97	137	162	6

WST4	53	63	68	80	106	90	28	111	145	169	7

WST5	58	73	77.5	96	124	114	40	136	158	189	11.2


WST6	78	92.5	97	129	166	140	50.5	177	180.5	223	213




WST7	113	82	117.5	163	205	180	/	217	202	255	33.6

Key Features:

Capacity Range: Available in metric sizes from M20 to M90, and imperial sizes from 3/4” to 3-1/2”, catering to a wide variety of applications.
Working Pressure: Built to withstand working pressures of up to 1500 bar, ensuring high performance in even the most demanding environments.
Extended Piston Movement: Designed for extended piston travel, allowing for more flexibility and capability in your operations. Piston stroke up to 30mm.
Streamlined and Compact Structure: The compact, streamlined design ensures minimal space requirements while maintaining optimal functionality.
Misalignment Compensation: Our products are engineered to compensate for misalignments, enhancing reliability and reducing the risk of damage during operation.
Effortless Hose Attachment: Designed for fast and easy hose connections, ensuring quick setup and operational efficiency.
Clear Indication of Piston Movement: Equipped with easy-to-read indicators to clearly display piston movement, making monitoring and control more efficient.
Overstroke Prevention with No Leakage: Built-in overstroke prevention ensures there’s no leakage, providing safe and efficient operation.
Rapid Securing or Reliable Reaction Nut: Our products include features that allow for fast securing and a reliable reaction nut for greater stability and precision.
Load Cell with Tommy Bar: Each load cell comes with a Tommy Bar for easy installation and operation, providing added convenience.
Whether you need precision load measurement, powerful hydraulic force, or a combination of both, our products deliver performance you can count on. Explore our range today to find the perfect solution for your industrial needs.

WST5