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Product Details:
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| Product Name: | Valve Gearbox | Meterial: | Cast Steel |
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| Protection Grade: | Ingress Protection Rating IP67 | Temperature: | Applicable To -20 ℃ ~120 ℃ |
| Application: | General,Oil,Gas,Water,Valves For Solid/Liquid And Gas | Colour: | Blue,Customer Require,Black |
| High Light: | clutch gear operator,iron cast gear operators |
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Ball Valve Gearbox cast steel Protection Rating IP67 Applicable to -20 ℃ ~120 ℃
SJ Series Valve Gearboxes,Multi-stage
This partial-turn valve gearbox series with cast iron housing is widely used in and for fire protection, water and electric utilities, chemical plants and general industrial-purposes.
- Varying from 320:1 to 1728:1 in terms of gear ratio and from 7000NM to 72000NM in terms of torque.
- Have IP65, IP67, and IP68 protection levels for option.
- WCBLCB for option.
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.
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 |
Product Features
This product can be customized as LCB according to customer requirements
LCB is suitable for -46 ℃ ~343 ℃
Cast steel has higher strength, better toughness and better plasticity.
This product is mainly suitable for petrochemical industry with high strength and long life.
Small clearance: high precision of internal parts, input shaft idle Angle less than 45°, better than the industry average.
Major Client:CIRCOR
Contact Person: Varian
Tel: +8618862590830
