Derwent James Ltd are the exclusive UK agent for Dopak sampling valves and sampling systems – the industry standard for the safe emission free sampling of liquids, gases and liquefied gases.
A Dopak sampling system or sample valve enables an operator to manually take a liquid sample (into a bottle) or a gas sample (into a cylinder) with zero emissions.
Dopak sampling systems are supplied specifically to your process conditions.
Dopak safe sample valves and sampling systems enable closed vent sampling from process lines, reactors and storage tanks, typical applications are found in the petrochemical, chemical, oil & gas and pharmaceutical sectors.
The following standard Dopak sampling systems are available; all can be modified to suit your site application.
Call us on 01332 673700 or email your application details to info@derwentjames.co.uk.
Dopak DPM sampling system – General purpose zero emission sampling system for sampling liquids below 8 bar pressure. info@derwentjames.co.uk
Dopak System 23 sampling system – Fixed volume zero emission sampling systems for sampling liquids above 8 bar pressure. info@derwentjames.co.uk
Dopak System 32 sampling system – Vacuum zero emission sampling system for sampling liquids using a vacuum or venturi. info@derwentjames.co.uk
Dopak DPJ sampling system – Viscous liquid zero emission sampling system. info@derwentjames.co.uk
Dopak HD sampling valve – Zero emission sampling valve for liquids below 8 bar pressure using a pipe specification anti static, fire safe valve. info@derwentjames.co.uk
Dopak DPT sampling valve – Zero emission “in-line” sampling valve for sampling liquids below 8 bar pressure. info@derwentjames.co.uk
Dopak S32G sampling system – Zero emission gas sampling system. info@derwentjames.co.uk
Dopak S32LG sampling system – Zero emission liquefied gas sampling system. info@derwentjames.co.uk
Sample recovery system (SRS) – System for the safe & emission free collection of unused sample fluid from sample bottles returning the fluid to either the process or to a waste system. info@derwentjames.co.uk
Cylinder emptying system (CES) – System for the safe and emission free emptying of sample cylinders containing liquefied gas, ideal for use in laboratories. info@derwentjames.co.uk
Dopak sample bottles, caps and septa – Sample bottles from 50cc to 2000cc are available ex stock. Materials available include standard glass, high temperature glass, amber glass, polyethylene, polypropylene, coated (unbreakable) glass and stainless steel. Bottles include caps and septa. info@derwentjames.co.uk
Dopak spares and components – All spares for Dopak sample valves can be obtained directly from the Dopak factory. Contact UK agent Derwent James Ltd for price and availability info@derwentjames.co.uk
To discuss your sampling application with us please call 01332 673700 or email your application details to info@derwentjames.co.uk