Profile: Watkins & Powis (Pipeline Merchants) Ltd supplies valves, tubes and fittings to local heating engineers & factory maintenance. We have the ability to provide all the required piping equipment to transfer most mediums from the plant to its destination. Our range of products represents most of the manufacturers in the commercial and domestic pipeline market. Pipe fittings, tube, hanging systems, commissioning valves, steam valves and process control equipment are kept in stock at our premises for easy availability to the industrial engineer and domestic plumber.