Welcome to Niezgodka

Specialists in the development and construction of safety and control valves


Our products

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Specialists in the development and construction of safety and control valves

We are a manufacturer of safety valves and pressure control valves and supply distributors and end users in Europe and all over the world according to their individual needs. Our product range includes the following valves: safety valves, relief and overflow valves, pressure reducing valves, pressure regulators, vacuum relief valves, combined vacuum and pressure relief valves, certain model series are also available in a food or pharmaceutical design The standard materials used for our valves are steel, cast steel and stainless steel. Special materials are also possible at the request of the customer. Selected valve types can be made complete or partially from materials such as Duplex, Superduplex, Hastelloy or titanium. Other materials and special versions are possible by agreement. The range of applications for our valves include the following, amongst others: Plant engineering, beverage and brewing technology, food technology, pharmaceutical technology, petrochemicals, natural gas and oil production, marine engineering, power plant technology, hydrogen refuelling.

Operating safety, avoiding damage to health and the environment and trouble-free process sequences with economic efficiency at the same time are always guaranteed through the use of our valves. Our valves are designed, developed and produced in accordance with the latest technological standards and on the basis of the relevant standards for safety valves, such as the Pressure Equipment Directive 2014/68/EU, AD2000 leaflets A2 and A4, DIN-EN-ISO-4126, DIN-EN-12266, DIN-EN-12516. The consistent quality of our products and complete traceability is guaranteed by the certification (TÜV Nord) in accordance with DIN EN ISO 9001. A general approval for safety valves from TÜV Nord, Lloyd’s Register and DNV GL are the guarantee of a functional product that meets the quality requirements of our customers. Ongoing contact with other classification companies and approval for the market of the Customs Union of Russia round off our capability to deliver all over the world.