William Johnston & Company Limited offer a range of WRAS Approved EPDM mouldings for valve, pump and diaphragm seals used for potable water.
• Suitable for use with potable water.
• Ozone and UV stable.
• Colour fast.
• High quality moulded components.
• Design assistance offered.
WRAS Approved Product.
Pressure rating dependant on application.
Contact our technical department for more details.
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.