By brand
By category
Nord-Lock®Superbolt®Boltight®Expander®

Learnings

Your bolting knowledge hub. Learn from the experts.

DIGITAL TOOLS

Explore our tools that make your working day easier.

SUSTAINABILITY

Contributing to a brighter tomorrow.

ConstructionCritical EnvironmentForestry and agricultureMachine buildingManufacturing and processingMining and mineralsOil and gasPower generationRailwayShipbuilding and marineSteel, forging and other pressesTransportationOther industries

Learnings

Your bolting knowledge hub. Learn from the experts.

DIGITAL TOOLS

Explore our tools that make your working day easier.

SUSTAINABILITY

Contributing to a brighter tomorrow.

Learnings
Performance and support servicesDownload centerCAD files | Nord-LockCAD files | SuperboltDigital tools3.1 Certificate | Nord-Lock

Learnings

Your bolting knowledge hub. Learn from the experts.

DIGITAL TOOLS

Explore our tools that make your working day easier.

SUSTAINABILITY

Contributing to a brighter tomorrow.

Nord-Lock® webshopExpander® webshop

Learnings

Your bolting knowledge hub. Learn from the experts.

DIGITAL TOOLS

Explore our tools that make your working day easier.

SUSTAINABILITY

Contributing to a brighter tomorrow.

About Nord-Lock GroupCareersLifetime warrantySustainabilityTerms and conditionsPress room

Learnings

Your bolting knowledge hub. Learn from the experts.

DIGITAL TOOLS

Explore our tools that make your working day easier.

SUSTAINABILITY

Contributing to a brighter tomorrow.

Learnings

Your bolting knowledge hub. Learn from the experts.

DIGITAL TOOLS

Explore our tools that make your working day easier.

SUSTAINABILITY

Contributing to a brighter tomorrow.

Contact us

logo-boltight.png

Boltight® Subsea Tensioners

Safeguard your subsea applications with this nickel-plated tensioner engineered to endure high initial bolt stress, providing robust security and peace of mind.

  • About Boltight
  • Subsea Tensioners
image

DESIGNED FOR OIL & GAS APPLICATIONS

Boltight subsea tensioners are specifically configured for subsea applications. The nickel-plated exterior provides excellent anti-corrosion properties.

The tools are fitted with Boltight composite material high-pressure seals, which clip into place and require no adjustment.

A reduced number of components assist ease of use on underwater bolting applications, in fitting ANSI, API 6A/17D and compact SPO flanges.

Additional information

Specifications

  • Stock items 3/4” to 3-1/2”
  • Five load cells cover the above
  • 1500 bar
  • Long 30mm stroke
  • Metric sizes partially stocked
  • Solid or split-reaction nuts
  • Custom designs available to your specification

Product Benefits

  • Nickel-plated, corrosion resistant
  • Fits all standard pipe flange applications
  • Non-slip tape for easy handling
  • Supplied with detailed operating maintenance and safety manuals

 

Testing & CertificationBoltight is LRQA certified for quality and environmental assurance to ISO 9001: 2015. All tools are assembled, filled with oil and pressure-tested prior to dispatch.

Downloads
Pressure Load Graphs

Downloads

Download

View

  • Boltight - Subsea Bolt Tensioners User Manual.pdf

  • Boltight - Introduction to Hydraulic Tensioning.pdf

  • Boltight - Data Sheet - Hose Pipe Set Up.pdf

  • Tensioning - Application Checklist.pdf

Pressure Load Graphs

Download

View

  • Boltight - Pressure Load G1.JPG

  • Boltight - Pressure Load G2.JPG

  • Boltight - Pressure Load G3.JPG

  • Boltight - Pressure Load G4.JPG

  • Boltight - Pressure Load G5.JPG

Request a Quote

Fill out the form below to receive additional product information or to contact an engineering expert.

To read more on how we handle your contact details please see our Privacy Notice.

Thank you! Our experts will be in contact with you shortly.

Policies

PrivacyLegal DisclaimerCookie PolicyDistributor Brand Guidelines

Follow us

Nord-Lock International AB

S:t Johannesgatan 1D
211 46 Malmö
Sweden

Contact us

© 2025 Nord-Lock International AB

Welcome to the Nord-Lock Group

Secure bolting solutions for your bolting challenges

Select your country

  • Latin America
  • Australia
  • Brazil
  • China - 中国
  • France
  • Germany
  • India
  • Italy
  • Japan - 日本
  • Korea - 대한민국
  • Switzerland (DE)
    • Schweiz
    • Suisse
    • Svizzera
  • Switzerland (FR)
  • Switzerland (IT)
  • Sweden
  • Spain
  • United Kingdom
  • United States
  • Global
  • Southeast Asia