Outline
The BGA Series is a bevel gear-type valve actuator designed for gate and round valves that receive thrusts, enabling smooth manual operation. With an adaptor, the actuator can be mounted onto existing valves.
This compact design integrates a built-in thrust bearing for improved reliability. It is the latest model succeeding the BA Series, which has sold hundreds of thousands of units and has been widely adopted in water and sewage systems, sluice gates, and power plants.
Application
– Water and sewerage treatment plants
– Sluice gates
– Power plants
Features
– Sealed structure, pre-filled with high-pressure grease for immediate use.
– High-efficiency round shaft bearings used in all positions, achieving over 90% efficiency.
– Hammer blow function allows smooth and secure valve closure (BGA-4 has no lost motion).
– Dual-structured stem nut (involute/spline) can be disassembled easily for screw machining.
– Opening indicator and limit switch can be easily attached.
– Electric upgrade-ready: by attaching SMB, JMB, or L120 actuators with a standard adaptor instead of the manual handle, it can be motorized easily.
– Wide selection of accessories available: hand wheels, stem covers, and stem plugs.
– Orthogonal two-shaft type offered to match diverse system requirements.
Specifications
Type & Size | BGA-04 | BGA-00 | BGA-0 | BGA-1 | BGA-2 | BGA-3 | BGA-4 | |
---|---|---|---|---|---|---|---|---|
Gear Ratio | 2:1 | 2.5:1 | 3:1 | 4.11:1 | 6:1 | 9:1 | 10:1 | |
Max. Thrust Capacity(kN) | 26 | 62 | 98 | 200 | 340 | 620 | 1,200 | |
Max. Torque Capacity(N・m) | 110 | 340 | 740 | 1,500 | 2,900 | 5,900 | 12,000 | |
Max. Stem Acceptance(mm) | Stem Dia | 40 | 46 | 55 | 62 | 85 | 115 | 130 |
Bore Dia&Keyway | 30 | 35 | 45 | 52 | 70 | 95 | 110 | |
Weights(approx.) | 12 | 18 | 25 | 45 | 84 | 223 | 380 |
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