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Product Details:
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| Material: | Cast Steel (WCB) | Protection Class: | IP67 |
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| Operating Temperature: | -20℃~120℃ | Colour: | Blue,Customer Require,Black |
| Product Name: | Valve Gearbox | Application: | General,Oil,Gas,Water,Valves For Solid/Liquid And Gas |
| High Light: | spur gear operator,multi - stage gear operator |
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Gate Valve Gearbox Partial - Turn Torque Rang 7000NM To 72000NM Protection grade IP67
SJ series multi-stage partial-turn gear operators
SJ series multi-stage partial-turn gear operators are widely used in water plants, chemical plants, and power plants and for general industrial applications. SJ multi-stage models have a speed ratio varying from 320:1 to 1728:1 and torque ranging from 7000NM to 72000NM.
Product Features
The product can meet the self-locking requirements, which can prevent valve shaft reversal due to internal pressure
The design meets the requirement of self-locking of worm gear and worm
Customization
Main Components List
| Part name | Material |
| Hand wheel | HT250/ GB9439-88 |
| Worm shaft | 45GB/T699-1999 |
| Housing | HT250/ GB9439-88 |
| Baffle ring | JDB-3 |
| Worm | 45GB/T699-1999 |
| Worm gear | QT500-7/GB1348-88 |
| Cover | HT250/GB9439-88 |
| Indieator | Q235A GB/T700-2006 |
Main Technical Parameter
| Model | Gear ratio | Rating input(Nm) | Rating output(Nm) | Efficiency(%) | Hand-wheel |
| SJ320 | 320:1 | 90 | 7000 | 25 | 400 |
| SJ330 | 330:1 | 150 | 12000 | 24 | 800 |
| SJ410 | 410:1 | 160 | 17000 | 26 | 700 |
| SJ520 | 520:1 | 165 | 23000 | 26 | 700 |
| SJ560 | 1220:1 | 140 | 43000 | 25 | 800 |
| SJ600 | 1422:1 | 160 | 60000 | 26 | 800 |
| SJ720 | 1728:1 | 160 | 72000 | 26 |
800 |
Major Client:CIRCOR
Contact Person: Billy
Tel: +8618862167088
