1 Tonne to 40 Tonne Webbing Slings (Simplex and Duplex)
Polyester Flat Lifting Slings | 1T–40T SWL | EN1492-1 Certified
Our high quality polyester flat lifting slings offer a premium lifting experience, giving you reliable performance whenever it is needed. Fully certified to EN1492-1 and ready to use straight out of the box, our flat slings are available in a wide range of Safe Working Loads (SWL) from 1 Tonne to 40 Tonne and multiple lengths, with compatible wear sleeves available to protect your slings at the load points.
Our manufacturer operates their own on-site weaving facility, giving them the capability to design and manufacture flat sling constructions ranging from 1T to 40T, including custom and non-standard solutions.
The Most Popular Polyester Webbing Slings
Available in 1-40T Webbing Slings, our standard flat slings come in two forms:
Simplex (1 Layer) – Made to Order
Duplex (2 Layer) – Available off the shelf
These cover solutions to most lifting applications and are also available in Endless and Quadplex configurations for more demanding requirements.
- Woven from High Tenacity Polyester (PES) Yarn, our flat lifting slings feature low weight, flexibility of use and ease of handling — offering significant improvements in both safety and cost compared to wire rope or chain alternatives.
- Manufactured from 100% polyester fibres, flat slings are a more versatile lifting solution than substitute products such as wire rope or chain, making them the preferred choice across a wide range of industries.
For special applications, we can also offer custom made lifting slings to meet your exact requirements.
Webbing slings and all other lifting slings must legally be inspected at least every six months for defects, signs of damage, frays and kinks. However, an inspection before each use is a sensible best practice we would strongly recommend to avoid any unnecessary accidents.
Formal Six-Monthly Inspections
Official webbing sling inspections must be carried out by a trained and competent person in accordance with LOLER (Lifting Operations and Lifting Equipment Regulations). This ensures your webbing slings remain safe and compliant for continued use.
Pre-Use Checks — What to Look for Before Using a Webbing Sling
Before each lift, check your webbing sling for the following warning signs:
- Worn or missing identification labels or SWL markings
- Acid burns or chemical damage to the webbing
- Worn, bent or damaged fittings
- Melting, scorching or discolouration of any part of the sling
- Visible frays, cuts or abrasions to the outer webbing
- Kinks or deformation in the sling body
If any of these are present, do not use the webbing sling, remove it from service immediately and arrange for inspection or replacement.
Product Highlights:
- Flat slings available up to 50T (Quads) | Safety Factor 7:1
- Woven from High Tenacity Polyester (PES) Yarn
- Colour coded for easy identification — stripe denotes SWL
- Off the shelf stock available up to 6T (Standard)
- Custom made solutions for non-standard lifting applications
- Available with wear sleeves for added protection at load points
- Manufactured to EN1492-1 as standard
1T-20T Supplied by:
30T-40T Supplied by:
Brand
Miller Weblift Ltd
Polystrop Limited
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Frequently Asked Questions
Our webbing slings are manufactured from 100% high tenacity polyester (PES) yarn. Polyester offers excellent resistance to moisture, most acids and common chemicals, making it a reliable choice for indoor and outdoor lifting applications.
We stock duplex webbing slings from 1 tonne through to 10 tonne as standard off-the-shelf products. For heavier capacities, up to 40 tonnes in quadplex configurations, we can supply custom made solutions. Give us a call on 01953 889998 to discuss your requirements.
Simplex slings are single-ply, duplex are double-ply (our standard product), and quadplex are four-ply for higher capacities. The number of plies increases the safe working load while keeping the sling lightweight and flexible compared to chain or wire rope alternatives.
All of our polyester webbing slings are manufactured with a 7:1 safety factor, meaning they are tested to seven times their stated working load limit before failure.
Our webbing slings are manufactured in accordance with EN 1492-1 and are EU certified. Every sling is supplied with an EC Declaration of Conformity.
Absolutely. Duplex webbing slings can be used in vertical, choke, and basket hitch configurations. The rated capacity varies depending on the hitch type and sling angle, so always check the WLL for your intended configuration before use.
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