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Double Block & Bleed Valves

Conval Quebec strives to provide innovative and competitively priced solutions from premium manufacturers for a wide variety of industries including but not limited to; power, oil and gas, chemical, pharmaceutical, pulp and paper, food and beverage. To learn more about double block and bleed valves available at Conval Quebec, view the information below, with the option to download further product information.


The HTK is available in a variety of customised designs. The custom HTK block & bleed has two seals that are placed one behind the other in the seal seat. A chamber between the seals can be used to suction off residual leakages or for barrier media.

Oliver Valve

Oliver Valves double block and bleed valves has delivered complete operational safety to the oil, gas and petrochemical industries. With over 30-years of innovation, Oliver Valves has engineered solutions that are used all over the world.


PBM’s double block and bleed valves provide true double positive isolation. This provides the best technology for the most severe isolation services where it is required. Designed to ASME B16.34 and ideal where safety and reliability are critical.