Derwent James Ltd

03/03/2026

PLP Systems was founded in 1980. The company is based in the Province of Piacenza in Northern Italy. They are worldwide specialists in complete and customized solutions for the weighing, dosing, mixing, spraying, and coating of both powders and liquids.

Have you been to Piacenza?

03/03/2026

Protect Compliance and Plant Safety with Reliable Sampling Systems

Ensure reliable sampling, reduce exposure risk, and stay audit ready with an expert assessment of your sampling systems, designed for regulated process environments.

Book a FREE Safe Sampling Audit with Crane Safe Sampling

Derwent James.

26/02/2026

The usual pre work walk with a quick stop off at Kava. Then a morning of meetings for the DJL sampling team 🥾 ☕️

09/02/2026

There’s a learn more button on our profile page. Click it and you’ll er… learn more … not about life and the universe… but about what we do here at DJL 😵‍💫 post500, lunch and learn.

09/02/2026

Morning all, step on

06/02/2026

The Winter Olympic opening festival this evening. Spectacular, stunning and stylish, Milano just a few kms north of our Italian partners at PLP systems in Piacenza 🇮🇹 Good luck to all ⛷️ 🏂 ⛸️ 🏒 🥌 🧊 ❄️ 🇬🇧 🦅 🤓

06/02/2026

Anyone got an ark ? 🌧️ ☔️

05/02/2026

Guess what…
No one you know will have any interest in chemical sampling and powder dosing systems (probably), nor do you 🤣 but if you share this post and one of your contacts follows along then that’s your good deed for the day done. Thanks 🥰

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Go on… there’s a prize when we get to 100 followers 🙄

05/02/2026

It’s not all chemical sampling and dosing here. MD Neil enjoys (endures) the delights of Stoke City and loves to sample the craft ale delights of the East Midlands.

07/11/2025

Driving Safety, Accuracy, and Efficiency in Process Engineering: Why Dopak Sampling Systems Matter

In the UK’s process engineering sector, there’s one common challenge that transcends industries — from chemicals and petrochemicals to pharmaceuticals and energy: how do we safely and accurately take representative samples of hazardous liquids, gases, or slurries for analysis?

Sampling is at the heart of every process. Whether it’s ensuring quality control, meeting regulatory requirements, or driving continuous improvement, the data you collect is only as good as the sample itself. But sampling is not without risk. Operators often face hazardous substances, pressurised systems, volatile compounds, and strict environmental regulations.

This is where Dopak sampling systems provide a proven solution — systems engineered to deliver representative samples while safeguarding both people and the environment.

Why Dopak sampling systems matter | Derwent James Ltd.

07/11/2025

UK chemical manufacturing is vital to the UK economy. Due to the growing complexity of industrial processes there is a growing requirement for accurate samples of liquid, gas and liquefied gas to be taken. Chemical industry sampling systems are used on a weekly, daily and sometimes hourly basis. Ensuring the safety of the plant operator taking the samples and the surrounding environment is of paramount importance.

The sample, once taken, should also be a representative sample of the process line or vessel from which it is taken. The sample must be accurate to ensure product verification.

Sampling the UK Chemical Industry in this way is sometimes known as “closed loop sampling”… In other words the taking of a sample from the process into a sealed container without exposing the product to the operator or the environment. The sampler should also safely vent the sample container with a suitable outlet preventing a buildup of pressure in the sample container.

The Dopak sampling principle is an industry standard for the closed loop sampling of liquids, gases and liquefied gases but what is the Dopak sampling principle?

Sampling the UK chemical industry. Sampling valves and Sampling systems for the UK chemical industry. Help, advice and best practice guidance.

30/09/2025

Driving Safety, Accuracy, and Efficiency in Process Engineering: Why Dopak Sampling Systems Matter

Why Dopak sampling systems matter | Derwent James Ltd.