TRI-PLATES,
DELTA PLATES
& TRIANGLE
PLATES
Multisec Tri-Plates provide a compact and effective connection point for multi-leg lifting arrangements, rigging systems, towing and mooring applications. Also known as Delta Plates, Triangle Plates and Monkey Plates, they are available from 2 tonnes to 700 tonnes WLL with bespoke designs available for specialist lifting projects.
Load Equalisation
For Complex
Rigging Systems
Multisec Tri-Plates are engineered connection plates used to manage multiple sling legs, improve load distribution and reduce congestion at lifting or rigging connection points.
Also known as Triangle Plates, Delta Plates or Monkey Plates, these compact rigging components provide a central connection point within multi-leg lifting arrangements, helping promote balanced load transfer across slings, shackles and load points.
Available from 2 tonnes to 700 tonnes WLL, with bespoke designs available for specialist lifting, rigging, towing and mooring applications, Multisec Tri-Plates are manufactured with full material traceability and proof tested in-house prior to supply.
Where Tri-Plates
Are Used
Tri-Plates, Delta Plates and Triangle Plates are commonly used where multiple sling legs need to be managed through a compact, central connection point.
Multi-Leg Lifting Arrangements
Used to bring multiple sling legs together while helping improve load sharing and reduce sling congestion at the lifting interface.
Offshore & Marine Rigging
Suitable for demanding marine, offshore, towing and mooring applications where robust rigging connection plates are required.
Construction & Civil Engineering
Used in structural lifting, infrastructure works and engineered rigging arrangements where controlled load distribution is essential.
Heavy Lift & Project Rigging
Ideal for specialist lifting projects involving fabricated structures, irregular loads and bespoke multi-point rigging systems.
Engineered For
Critical Lifting
Applications
Multisec Tri-Plates are engineered rigging components manufactured for demanding lifting, towing and mooring operations. Every unit is produced with full material traceability and proof load tested prior to supply, with bespoke configurations available to suit project-specific requirements.
Bespoke Designs Available
Alongside our standard range, Multisec Tri-Plates can be engineered to suit specific Working Load Limits, sling arrangements, connection configurations and project requirements, providing an effective solution for complex lifting and rigging operations.
Load Equalisation
For Complex
Lifting Projects
Multisec Tri-Plates have been used in demanding lifting operations where multiple connection points, controlled load transfer and effective sling management are critical to the success of the lift.
On a landmark timber engineering project, Multisec Tri-Plates were used within a bespoke lifting arrangement to help equalise tension across multiple lifting points during the installation of an oak glulam dome.
View Project Case Study
Request a Tri-Plate Quote
Whether you need a standard Tri-Plate, Delta Plate or Triangle Plate, or a bespoke rigging connection plate for a specialist lifting, towing or mooring application, our engineering team can help develop a solution to suit your load, sling arrangement and project requirements.
Technical Support
- Advice on Tri-Plate selection, Working Load Limit and connection point requirements.
- Guidance for multi-leg lifting arrangements, sling management and load equalisation.
- Support with bespoke Delta Plate and Triangle Plate designs for specialist rigging projects.
- Proof load testing, certification and full material traceability supplied where required.
Tri-Plate FAQs
Answers to common questions about Tri-Plates, Delta Plates, Triangle Plates, Monkey Plates, load equalisation, proof testing and bespoke rigging applications.
What are Tri-Plates?
Tri-Plates are engineered rigging connection plates designed to provide a central connection point for multiple sling legs. They help improve sling management, promote balanced load transfer and reduce congestion at lifting or rigging connection points.
Are Tri-Plates the same as Delta Plates and Triangle Plates?
Yes. Tri-Plate, Delta Plate and Triangle Plate are commonly used interchangeably within the lifting and rigging industry. The term Monkey Plate is also used in some sectors to describe the same style of rigging connection plate.
What is a Monkey Plate?
A Monkey Plate is another name for a triangular rigging plate used to connect multiple sling legs, shackles or lifting components into a single controlled lifting arrangement.
What applications are Tri-Plates used for?
Tri-Plates are widely used in multi-leg lifting arrangements, heavy lift rigging, offshore and marine projects, towing, mooring, construction, civil engineering and specialist project cargo operations.
How do Tri-Plates improve load distribution?
By providing a central connection point for multiple sling legs, Tri-Plates help reduce sling bunching and promote more balanced load transfer throughout the lifting arrangement, improving rigging efficiency and control.
What Working Load Limits are available?
Multisec Tri-Plates are available in Working Load Limits from 2 tonnes up to 700 tonnes, with bespoke designs available to suit project-specific lifting, towing and mooring applications.
Can Tri-Plates be custom engineered?
Yes. Tri-Plates can be engineered to suit specific Working Load Limits, connection point layouts, sling arrangements, shackle sizes and project requirements, providing a bespoke solution for complex rigging applications.
Are Tri-Plates proof load tested?
Yes. Every Multisec Tri-Plate is proof load tested prior to supply and is provided with the relevant certification and supporting documentation for complete confidence and traceability.
What materials are Tri-Plates manufactured from?
Tri-Plates are manufactured from high-strength steel with full material traceability, making them suitable for demanding lifting, rigging, towing and mooring applications.
Can Tri-Plates be used for towing and mooring?
Yes. Alongside lifting operations, Tri-Plates are commonly used within towing and mooring systems where a compact, high-strength connection plate is required to manage multiple rigging lines or load paths.
What information is needed for a Tri-Plate quotation?
To prepare an accurate quotation, we typically require the required Working Load Limit, number of connection points, rigging arrangement, shackle sizes, intended application and any available drawings or specifications.
Do Multisec Tri-Plates include certification?
Yes. Multisec Tri-Plates are supplied with appropriate certification and supporting documentation, together with proof load testing and full material traceability.