Available range of designs are conventional full bore flexible wedge, through conduit and pressure seal manufacturing styles.
All conventional gate valves are serialised products being some parts interchangeable to other valve types to increase assembly flexibility.
Gate valves are bi directional valves and of easy operation being widely used in power, chemical and oil industry.
Through conduit valves have a flow conducting hole which can be used as ball through or pipe line pigging.
Pressure seal valves are used for high temperature – high pressure service, specially on power plants.
Valves can incorporate worm gears, pneumatic, electric, hydraulic and hydro-pneumatic actuators.

Other designs and options:
Steam jacketed valves, extended bonnet valves, fugitive emission control, by pass design....