Nippon Gear Co.
Nippon Gear B Series
Manufacturer: Nippon Gear Co., Ltd.
Model: B Series
Features
- The actuator can be easily operated with its hammer blow effect.
- The actuator consists of rolling bearing design and has an efficiency in excess of 90%.
- Due to two-piece drive sleeve configuration, its stem nut engaged with a valve stem can be easily removed out from the actuator.
- This actuator is of enclosed construction, filled with “EP” additive grease and ready for use.
- The actuator is available with local position indicator.
- The actuator can be coupled to actuators such as SMB, JMB or L120.
- Dual input shaft type is available, so it makes the actuator easier in a wide variety of demanding applications.
- B series has 8 unit sizes classified by output torque.
Specifications
| Unit Size | Max. Output Thrust (kN) | Max. Output Torque (N·m) | Max. Output Thrust For Gate (kN) | Max. Output Torque For Gate (N·m) | Unit Gear Ratio | Efficiency | Maximum Stem Diameter (mm) | ||
|---|---|---|---|---|---|---|---|---|---|
| Stem Dia. | Bore Dia. & Keyway | ||||||||
| 2PC | 2PC | 1PC | |||||||
| B-0 | 105 | 640 | 77 | 450 | 2 | 0.9 | 60 | 47（14×3.8） | 58（16×4.3） |
| B-1 | 200 | 1150 | 140 | 790 | 2.5 | 0.9 | 73 | 70（20×6.4） | 80（22×5.4） |
| B-2 | 320 | 2500 | 224 | 1720 | 3 | 0.9 | 86 | 70（20×6.4） | 80（22×5.4） |
| B-3 | 620 | 5700 | 434 | 4000 | 3 | 0.9 | 127 | 100（28×6.4） | 120（32×7.4） |
| 5 | |||||||||
| B-4 | 1100 | 10000 | 770 | 6900 | 5 | 0.9 | 127 | 110（28×6.4） | 152（40×9.4） |
| B-5 | 2260 | 27000 | 1610 | 18600 | 5 | 0.9 | 170 | 140（38×8.4） | 200（45×10.4） |
| B-6 | 3500 | 50000 | 2450 | 34400 | 5 | 0.9 | 210 | 170（40×9.4） | – |
| B-7 | 5000 | 100000 | 3500 | 69000 | 5 | 0.9 | 250 | 210（50×11.4） | – |
