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Kammprofile Gasket

WRAS approved Kammprofile Gaskets supplied by William Johnston & Company Limited for problematic sealing solutions in potable water applications, offer the compressibility of a sheet gasket for low sealing stress along with the bolt tightness and ease of handling and resistance to buckling of a metallic gasket. They are designed to seal in large diameter and complex sealing applications.


• Easy to handle and install.
• Designed for each special application.
• Low sealing stress.
• Can be fitted with lugs to assist during fitting.
• Can be tapered to accommodate out of true flanges.


WRAS Approved Product.
Pressure rating up to 40 Bar.


Manufactured to order.

BS EN 1514-1:1997
PN6, PN10, PN16, PN25, PN40
BS 3063:1965
BS 10:2009
BS EN 12560-1:2001
ASME B16.21
CLASS 150 & 300

Bespoke sizes by design.

Technical Support

As a manufacturer we technically support all the products that we offer which: -

• Saves time.
• Saves long term expense.
• Reduces leakage.
• Increases flange integrity.
• Decreases health & safety risk.

Whenever there is a sealing issue or technical question regarding one of our products then please get in touch on 0141 620 1666, Email us or simply fill out our online enquiry form below.

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WRAS Approved Product

Aramid Fibre Sheet and Gasket

Contact William Johnston & Company Limited

For more information about Kammprofile Gaskets 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.

William Johnston Accreditation