Available range of designs are: Concentric, double centric and triple off set styles.
Valves are built in wafer, lug, U flange  and double flanged design.
Triple off set valves ensure bi-directional bubble tight sealing with small torque. Valves can be also used for throttling functions.
Valves are fire safe certified, blow out proof stem, low fugitive emissions and frictionless on / off operation.
Valves top works meet ISO 5211 standard and can incorporate worm gears, pneumatic, electric, hydraulic and hydro-pneumatic actuators.

Other designs and options:
Cryogenic duties.