Switzerland

Wey products satisfy the most demanding requirements in valve technology. They stand for cutting-edge technology, long life and cost effectiveness. Our many years of experience enable us to come up with innovative solutions, even where complex boundary conditions demand special and tailored solutions.

Wey is a leading global supplier and marketer of high performance valve technology to vital industries such as oil and gas, power, mining, chemical, food and beverage, water and waste water treatment industries around the world. With our technological know-how and engineering expertise, we continues to be a top choice for businesses around the world.

SISTAG and Wey – two names that have always been inseparably linked. This is hardly surprising since Wey has been the company’s trademark since the nine-teen seventies. Everything that was marketed under the Wey brand was – and still is – developed, manufactured and sold by SISTAG.

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