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The key area in which William Johnston & Company Limited has established its reputation is as the main suppliers of rubber gaskets and fasteners to the water and gas utilities and the pipeline industry in the UK.

Always at the forefront of supplying innovative solutions to the industries we serve, Link-Seal, as a product which combines rubber and fasteners falls perfectly into our established product range and customer base.

5 Bar
Up to 6M
1.5 Bar
Standard sizes
1.5 Bar
Up to 3M
All plastic or steel
Various skid heights
WRAS approved
Huge range of
Nominal Bore
Flange standards
0.5 Bar
Fully customisable
Ideal against vibration
Rubber steel off set gasket Unrivalled range of Casing end seals 3 Bar
Fire rated

William Johnston & Company Limited is committed to reducing leakage and actively promotes the Link-Seal system approach. Invite us along to show how we can reduce installation & overall project costs whist increasing integrity within your application.

Link-Seal Lunch and Learn

• How can I reduce installation time and reduce project cost?
• How do I centralise a pipe?
• Can I nest several pipes?
• What about non-standard applications?

If you are interested in learning more about our system please email us to arrange a suitable date.

View PDF Flyer >

The Cam-stopper

The Cam-stopper pipe-seal allows remote mechanical activation and de-activation -ideal for those difficult to access pipes.

The Cam-stopper

The all new Compakt-Duo

• Easy installation
• Overlapping large-diameter flange for better adjustment
• Double seal-tightening compresses both elastomers at once
• Achievement of sealing on building's in and outside
• Absolutely gas and water pressure tight
• Stainless Steel pressure plates (S304 or S316)
• Pressure tight up to 5 bar
• EPDM (standard) and NBR (on request) rubber available
• Customisations available on request

The all new Compakt-Duo

Contact William Johnston & Company Limited

For more information about our Link-Seal products and services that are available world wide, contact us on +44 (0)141 620 1666, Email us or simply complete our online Enquiry Form.

Please note, failure to select the correct materials or products we supply (“the Products”) may result in damage to plant, equipment or property. In some instances, it may cause death or personal injury. We are not designers and do not give advice about design related matters concerning the Products. We can help and assist with the technical specifications for the Products. In specific applications, particularly where critical conditions exist, we will try to assist you within the limitations of the services that we offer. All information supplied by us is intended as technical co-operation outlining the specifications of the different Products which we supply. To the extent permitted in law, no warranty is given in respect of any information supplied by us. The customer must satisfy themselves as to the suitability of the Products for their intended application and use. The correct fitting of Products is the responsibility of the customer. Your statutory rights remain unaffected. Save in respect of death, personal injury or fraud, our entire liability to you, however arising from the supply of Products shall be limited to the £10M indemnity amount provided by our insurers.

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