derwent james safety equipment & consultancy

Safe & emission free sampling of hazardous liquids, gases & liquefied gases for the UK process industry.

Tel: 01332 673700

process industry safety

Vacuum and vessel sampling system

Liquid tank sampling system with externally coupled valves (gearbox) to take representative samples of liquids from reactors at vacuum conditions or fixed volume samples of fluids with low vapour pressure independent of process pressure. The Dopak system 32 samplers are built from high quality stainless steel 316 and installation is by either threaded connections, compression fittings or flanges.

This tank sampling system is simple to operate, one handle operation, perfect safety for the both the user and the local environment. The System 32 sampler is supplied with a standard manual handle but again spring return handles are a possible option.

Suitable for the following process application;

  • Liquid Sampling at low and high pressure
  • Closed sampling with lower vapour pressure (Less than 0.7 bar)
  • Corrosive, hazardous liquids
  • Zero emission sampling from process pipelines or from the top of reactor vessels


Start your sampling journey here by contacting us for a no obligation discussion about how you can reduce hazardous sampling emissions and make your daily sampling safer for your operators.


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