DOPAK® is a global manufacturer of sampling systems and related accessories for liquids, gases and liquefied gases. Dopak’s closed vent samplers allow you to safely take samples of toxic, dangerous and volatile substances, without danger to your operators or the environment. We serve the chemical and petrochemical industries.




4540 S Pinemont
Suite 118,
Houston TX
77041 USA

PHONE: +1 713-460-8311
FAX: +1 713-460-8578

For all other regions:


We offer technical expertise and advice because we understand that specialized products require customized expert support. We also offer training programs on-demand.


Safety is our priority. When working with corrosive or abrasive media in the chemical, petrochemical, refining, oil & gas, power and biopharma industries, our products meet high safety standards and are therefore used and accepted in these industries, worldwide.


Quality is always at the core of our business. Our products are subjected to thorough measurements and quality checks throughout the production process. Each finished product is carefully inspected and tested in a final check. With our quality checks and programs in place, we can assure a consistent quality.

About DOPAK®

DOPAK® is a respected brand of sampling systems for liquids and gases. Established in 1970s the Dopak brand became known for its performance and quality in closed-loop and closed-vent sampling systems in the chemical and petrochemical industries.

Please visit this link to see DOPAK®’s full product portfolio.