jbown.com The website of J Bown & Co (Dukinfield) Ltd. We aim to give you an insight into our company and it's products. J Bown & Co (Dukinfield) Ltd is a world leader in the manufacture of heads for pressure vessels, pipe caps, expansion bellows and compensation pads. Please have a look around our site and should you need any further information on any of the services we offer, please state your requirements on our enquiry form. We are accredited with to ISO 9002 by LRQA and we are also approved by Stoomwezen.