Schubert & Salzer’s sliding gate products were developed as an efficient alternative to conventional control valves. The design is uniquely simple but is intelligently engineered to tackle complex applications which require precise control under taxing conditions. Through continued innovation and development, the GS product line is constantly expanding and improving. Despite being a stalwart product in the market for many years we continue to revolutionize the valve’s transcendence to new heights and standards.

The GS series incorporates a unique variable orifice principle which translates into a highly efficient yet simple design which incorporates features that are important for our customer’s needs. The valve is light in weight and compact in stature, yet it has the capacity, temperature and pressure specifications that exceed many other products.

The GS valve controls a variety of media, including steam, liquids and gases. A fixed plate or disc is set into a wafer style body with a variety of orifices machined into material. These slots can vary in design, size and configuration which determine the flow coefficient (Cv) and the flow characteristic. A moving disc of similar size and design also has a series of orifices but only one type which represents the highest flow capacity of the particular line size. This disc moves against the plate, creating a straight through flow path for the process media. As the valve modulates flow is broken apart, creating a variable field of area flow which reduces energy and noise. The differential pressure creates a unique seal between the two plates and when in the sealed position an overlap of approximately 1 mm creates a leak tight valve.