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Latest News, Updates & Articles
Derwent James – advice & availability
Derwent James Ltd remain available to provide our usual high level of process safety consultation and technical support, so if your site has imposed travel or access restrictions then do remember that we continue to offer this support remotely via … [Continue Reading]
Closed loop sampling system
Netherlands based closed loop sampling system experts Dopak are represented exclusively in the UK by Derwent James Ltd. A closed loop sampling system enables a chemical process plant operator to collect safe samples of potentially hazardous gas or liquid from … [Continue Reading]
Dopak Liquid & Gas Sampling Solutions
Dopak samplers are manufactured in the Netherlands by sampling specialists Dovianus based near Rotterdam. Established in 1926 they are the undoubted leaders in the design, manufacture and supply of closed loop chemical sampling systems. Represented in the UK by ourselves … [Continue Reading]
Derwent James Ltd – 10th anniversary walk
Derwent James Ltd will celebrate 10 years in business this December. We’ve been thinking of a way to mark this anniversary, something different…more than a cake and a few drinks. So, this is what we came up with…. When Derwent … [Continue Reading]
Sampling valves from stock
Sampling valves from stock from Texas. Texas Sampling Systems for liquids, gases and liquefied gases are respected in the international chemical and petrochemical industries. Texas closed vent samplers allow you to safely take samples of toxic, dangerous and volatile substances, … [Continue Reading]
Process Analyser Sampling System | Dopak
Our Dopak sampling systems are installed across industrial plants all over the UK and worldwide for the spot sampling of hazardous liquids and gases. Additionally Dopak systems are installed as part of your on site process analyzer. At Derwent James … [Continue Reading]
Branding change
Derwent James Ltd have been established since 2009 and in addition to the exclusive UK representation of Dopak sampling systems since our incorporation we have also during these 10 years represented a number of quality process safety equipment manufacturers. As … [Continue Reading]
Dopak DPM sampling system
The Dopak DPM sampling system is the ideal solution for safe, representative sampling of potentially hazardous liquids. Perfect for sampling liquids at low pressures (upto 8 bar g) from pipelines or storage tanks. Used worldwide in vast numbers the DPM … [Continue Reading]








