Nippon Gear Co.
Nippon Gear PA Series
Manufacturer: Nippon Gear Co., Ltd.
Model: PA Series
Features
- Ready for immediate use and hermetically sealed case filling with extra pressure grease.
- Ball bearings are used at all rotary supports.
- Hammer blow mechanism reduces an effort of torque seating and opening valve.
- Stem nut engaging with the drive sleeve by involute
splines is designed as two pieces configuration. This prevents the operator from major disassembling for stem nut machining. - Available options are PA-OP series with a position indicator(MDPI) and PA-OS series with a MDPI and a limit switch.
Specifications
| Type & Size | PA-0 | PA-1 | PA-2 | PA-3 | |
|---|---|---|---|---|---|
| Gear Ratio | 3:1 | 4:1 | 6:1 | 9:1 | |
| Max. Thrust Capacity | 98 | 200 | 340 | 620 | |
| Max. Torque Capacity | 740 | 1,500 | 2,900 | 5,900 | |
| Max. Stem Acceptance（mm）※1 | Stem Dia | 55 | 62 | 85 | 115 |
| Bore Dia&Keyway | 46 （KEY12×8） | 52 （KEY15×10） | 70 （KEY18×12） | 95 （KEY24×16） | |
| Weights(approx.) | 30 | 45 | 85 | 160 | |
※1 Stem nut is provided with pilot bore.
