Since 1966, the Dutch company Wouter Witzel has been a leading international manufacturer and supplier of high quality industrial butterfly valves and actuators. The products are used in pipelines as shut-off valves, control valves and non-return valves.In the maritime industry we have a extensive network, such as shipyards, international ship owners, contractors and system suppliers. Experienced employees, fast and adequate service and, above all, excellent reliability, durable products and application orientated solutions all contribute to a successful formula. We offer practical solutions that make use of high quality, affordable products. A full range of manual control devices, actuators and accessories is available for specific conditions. Our competence is not restricted to butterfly valves and actuators. Wouter Witzel can also supply complete pneumatic, electric and hydraulic control systems for the automation of our products.Our products can be found in various places on board; in cargo and ballast systems, engine rooms, bilge systems, fire fighting systems, scrubber systems and, of course as hull valves. All these cases concern very critical applications demanding maximum reliability. Wouter Witzel supplies valves with accompanying certificates and type approvals. Examples include: ABS, BV, CCS, DNV, GL, LR, RINA and RMRS. A complete list can be found at our website. Our products meet the most stringent quality requirements and are extremely durable.