Providing outstanding safety equipment, consultancy and expertise for your company.
Because safety is a necessity, not a commodity

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Circor Sample Systems

Circor sample systems from Dopak. Represented exclusively in the UK by Derwent James Ltd. We have over 20 years experience in the design of emission free sampling systems and valves for sampling hazardous chemical liquids and gases. We are available … [Continue Reading]

Circor Sample systems

Dopak bottle septa

Dopak sampling systems use a variety of septa materials and sizes. Make sure you have the correct Dopak bottle septa when sampling your hazardous chemicals. Dopak have stock of all septa ready for shipment. So, as the UK reps for … [Continue Reading]

Chemical sample cylinder

Our extensive range of chemical sample cylinders are suited for chemical sample collection, safe transport and chromatographic laboratory analysis. The type of chemical sample cylinder we offer are available in different volumes and material of construction. Chemical sample cylinders are used for samples … [Continue Reading]

Chemical sampling cylinder

Chemical sampling cooler

A Dopak single coil, tube shell type chemical sampling cooler is an effective and efficient heat exchanger. This compact sample cooler design makes it easy to install protecting the chemical sampling system from high temperatures ensuring safe chemical sampling in … [Continue Reading]

Chemical sampling cooler

Zenex Safety Padlock

The Zenex safety padlock is available in the UK for fast delivery to your site.  We work with our partners at Total Lockout to bring to you the best in lockout tagout safety equipment. Zenex safety padlocks are corrosion resistant, … [Continue Reading]

Zenex safety padlock

Dopak sample bottle part numbers

Dopak sampling systems use sample bottles of a variety of sizes, materials and set sizes. The below tables contain Dopak sample bottle part numbers to help your search for the correct part number.  Use the below tables as a reference. For datasheets … [Continue Reading]

Dopak sample bottle part numbers

Spare parts for Dopak sampling systems

In order to maintain your Dopak sampling system in the best condition spare parts are available.  Part numbers and specifications are below. Ball Valves Needle assemblies No bottle no flow *NEW Sleeves Gearbox Handles Spring return handles Regulators Gauges Carbon … [Continue Reading]

Hastelloy sampling system

Sampling chemicals in the process industry can be a hazardous task, especially when the chemical in question is particularly corrosive.  Its important to select the correct material of construction for your sampling system such as a hastelloy sampling system. Here … [Continue Reading]

hastelloy sampling system

Providing outstanding safety equipment, consultancy and expertise for your company.
Because safety is a necessity, not a commodity

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