Location of the operating device:
- directly on the upper flange of the ball valve
- on a bridge
- on an extension piece
Installation or replacement of an operating device can be done under service conditions.
Operator mounting dimensions to ISO 5211
Forged 3 Piece Trunnion Ball Valves for the Mining, Utilities & Petrochemical Industries
RGR valves have the strength of forged components combined with serviceability, cost efficiency and reliability.
All the pressure boundary parts including the ball, stem, seat rings and bearings retainers are forged components. The ball is supported in trunnion housings in sizes up to 4” and in bearing retainers in sizes up to 24”.
RGR manufactures bare shaft valves and also supplies valves with any operator design type and configuration the client may require.
Operator size selection is based on in house torque tests performed during R&D of the valves.
Our in house capability allows us to design and manufacture valve control systems required by the particular application. All systems are subject to FAT’s with end user approved procedures.
As a standard feature, ball valves can be supplied with the following operating devices:
- manual – lever
- manual – worm gearing and hand wheel
- electric actuator – turning angle 0° to 90°
- electric actuator and worm gear
- pneumatic actuator – single-acting (air x spring) or double-acting (air x air)
- hydraulic actuator
- gas-over-oil actuator