MDC Manufactures gate valves and gate valve assemblies by manufacturing each component such as the actuator, carriage and valve body. A wide range circular gate valves are offered in sizes ranging from 5/8" up to 12". Other features include TIG welded internal body joints, electropolished interior and exterior surfaces and dry film lubricated bearings.

GNB is a valve manufacturer that offers gate valves that are made from stainless steel or mild steel and are available with several options such as pneumatic, electric, hydraulic or manual actuation, several different flange configurations and a choice of roughing, gauge or view ports.

Adamant Valves offers a line of pneumatically controlled aseptic gate valves in a variety of configurations. These valve employ metal or PTFE bellows and are suited for use in the biotechnological, food industry, cosmetic & pharmaceutical industries.