+44 (0) 1294 274297

Welcome, to John D Dunlop Ltd.

Our company-wide emphasis on quality, precision and service guarantees you the best possible experience!

Our manufacturing process dictates that we have complete control over the quality of our end product, from our highly skilled in house foundry – right through to our vastly experienced machine shop.

Combining well established, traditional foundry methods with state of the art CNC technology, we provide the highest quality component manufacture, the most modern of engineering solutions and a speedy turnaround – all at a very competitive price - to provide the utimate in pipe fittings and flanges.

Explore our website and find out just what we can do for you. You will find details of all our products and services, as well as an insight into our processes.

Should you have any questions, you will find our contact details on the ‘Contact’ page – alternatively, fill in a contact form and we will be delighted to contact you to discuss your requirements.

Wide range of fittings and flanges

About Our Products

John D Dunlop manufacture a wide variety of pipe fittings and Flanges. You can find information on our entire range in our 'Product Categories' section.

Quality without compromise

Quality Assured Process

All of our products are manufactured in accordance with ISO 9001:2008 for the ‘manufacture of gunmetal pipe fittings, flanges and associated components including marine heavy duty and general heavy duty pipe fittings’


About Our Process