Control Seal has more than 30 years of experience in the valve business and over 100 years in precision
engineering and manufacturing.

Control Seal can deliver both standard and engineered valve solutions. In addition to its main products,
the non-contact Rising Stem Ball valves and the dual expanding Double Block and Bleed plug Valves,
Control Seal produces 4 Way Diverter Valves, Axial Flow Valves, Swirl Valves, Special Gate Valves, Tank
Bottom Drain Valves, Sampling Valves and is able to manufacture special application-driven designs
based on customer needs.

Control Seal valves are well known and appreciated by the world leading EPCs and oil and gas companies
for its high performance in extreme conditions. Its products find application in refineries, molecular
sieves, metering skids, tank farms, airports, pipelines and many more.

The quality of the products is guaranteed to meet or exceed operation performance requirements and
quality of manufacturing standards. High quality 3D CAD, 3D CNC Manufacturing System and 3D
measurement tools are used for production of the valves. Control Seal uses an advanced testing lab to
ensure durability of its products. Fire safe, high temperature and cryogenic testing can be performed
inhouse to prove the valves operation in extreme conditions.

• 1907: Brons Motoren Fabriek foundation by Mr. Jan Brons in Appingedam
• 1985: Control Seal brand was founded in Montfoort location
• 1989: Production of Waukesha gas engines in Appingedam
• 2001: Acquired by Dresser, USA, both locations
• 2005: Focus on manufacturing and assembly of Control Seal Valves in Appingedam factory
• 2006: Acquired by private investors as Control Seal B.V.
• NOW: Control Seal B.V. is private owned middle size company. With its 100 employees it has both benefits of small private owned company - flexibility and sense of ownership and in the same time is able to deliver and finance large scale projects.