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FAQs

The Subsea stud tensioner incorporates a quick reaction nut feature, reducing diver fatigue, and improving diver safety and productivity.

The Subsea tensioner includes visible piston stroke indication, a positive over-stroke stop to prevent piston expulsion/seal damage, and anti-slip cylinder surface for improved handling. These features contribute to diver safety and operational efficiency.

The Subsea tensioner is designed to cover a bolt range from M20 to M100 (3/4" to 4"), providing versatility for various subsea applications.

The Subsea tensioner is designed to fit BS1560/ANSI B16.5/API flanges, as well as most compact flange designs, ensuring compatibility with industry-standard flanges.

The Subsea tensioner has a piston stroke of 30mm (1.2") except for SST1, which has a 20mm (0.8") stroke. The maximum tool pressure is 1,500 bar (21,750 psi), ensuring effective tensioning capabilities.

Bolt protrusion above the nut is addressed with a chart specifying stud protrusion requirements. The D dimension includes an allowance for tool removal after bolt tightening with a 30mm (1.2") tool stroke.

The Subsea tensioner is made to order, and consultation with the factory is recommended for specific requirements.

Product development is ongoing, and dimensions may change without notice. It is advisable to stay updated with the latest information from the manufacturer.

Subsea Tensioners image

Subsea Tensioners

Designed to fit BS1560/ANSI B16.5/API flanges as well as most compact flange designs, the SST stud tensioner quick reaction subsea tensioner contains the rapid reaction feature to reduce dive fatigue, boosting dive safety and efficiency. The piston system incorporates several advanced features to ensure optimal performance and user safety.

SPECIFICATIONS


Maximum Tensioner Load (kN) / (TONF)                 3447 / 388
Minimum Tensioner Load (kN) / (TONF)                  140 / 15.7
Bolt Thread Size (inch) / (metric)                             3/4 - 4 / M20 - M100
Maximum Weight (kg) / (lbs)                                     39.1 / 86.2
Minimum Weight (kg) / (lbs)                                      1.50 / 3.30


PRODUCT CATALOGUE 


 ABS Subsea Tensioner

 

SST STUD TENSIONER
Quick Reaction Subsea Tensioner

Our Subsea stud tensioner, featuring the quick reaction nut, is designed to enhance diver safety and productivity by minimising fatigue.

Key features include:

- Visible piston stroke indication
- Positive 'over-stroke' stop to prevent piston expulsion/seal damage
- Piston/cylinder misalignment compensation
- Anti-slip cylinder surface for improved handling
- Low friction seals
- Anti-corrosion coating
- Bolt coverage from M20 to M100 (3/4" to 4")
- Designed to fit BS1560/ANSI B16.5/API flanges, as well as most compact flange designs

Piston stroke: 30mm (1.2") except for SST1 - 20mm (0.8")
Max tool pressure: 1,500 bar (21,750 psi)
Bolt protrusion above nut: refer to the chart below for stud protrusion requirements
'D' includes an allowance for tool removal after bolt tightening with a 30mm (1.2") tool stroke

Please note that product development is ongoing, and dimensions may change without notice.

 

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