Butterfly Valve Gearbox ductile cast iron Protection Rating IP67 Applicable to -20 ℃ ~120 ℃
SG series is a 90° rotary gear operator suitable for use on ball valves, butterfly valves, and plug valves with a manual, electric or hydraulic actuator.
Ratio Speed: 31:1 ~ 190:1;
Output Torque: 650 Nm ~ 50000Nm
Gearbox Material: ductile cast iron
Worm Gear Material: ductile cast iron
Ingress of Protection: IP67 ~ IP68
Both the input and output connecting flanges are designed as per standards ISO 5210 and ISO 5211.
Product Features
IP67 grade protection
Nickel-plated input shaft, with more resistance to corrosion
Ductile iron worm gear
NBR sealing materials
Suitable for -20℃ ~ 120℃ working conditions
Ductile iron is a strong corrosion resistant material, mainly used in the water treatment industry.
Customization
IP68 grade protection
Aluminum-bronze worm gear
Stainless steel input shaft
For high temperature up to 320℃
For low temperature down to -40℃
Main Components List
| Part name | Material |
| Welding Handwheel | Q235A/T700-2006 |
| Cover | WCB GB/ T12229-2005 |
| Housing | WCB GB/T12229-2005 |
| Worm | 45GB/T699-1999 |
| Left end cover | WCB GB/T12229-2005 |
| Worm gear | QT500-7/GB1348-88 |
| Cover | WCB GB/ T12229-2005 |
| Indieator | Q235A/T700-2006 |
Main Technical Parameter
| Model | Gear ratio | Electric actuator flange | Rating input(Nm) | Rating output(Nm) | Maximum output moment(Nm) |
| ISO5210 | N.M | N.M | N.M |
| SG62 | 31:1 | F10 | 75 | 650 | 700 |
| SG83 | 45:1 | F10 | 100 | 1350 | 1400 |
| SG120 | 70:1 | F10 | 120 | 2700 | 2800 |
| SG123 | 70:1 | F10 | 100-120 | 3000 | 3000 |
| SG123A | 136:1 | F10/F12 | 120 | 5700 | 6000 |
| SG143 | 70:1 | F10 | 160 | 4000 | |
| SG143A | 136:1 | F10 | 250 | 7000 | 8000 |
| SG200 | 70:1 | F16 | 400 | 9000 | 12000 |
| SG200A | 140:1 | F16 | 400 | 16000 | 20000 |
| SG237 | 70:1 | F16 | 600 | 12000 | 14000 |
| SG237A | 140:1 | F16 | 1000 | 40000 | 43000 |
| SG242A | 190:1 | F16 | 600 | 32500 | 34000 |
| SG242A | 190:1 | F25 | 1000 | 50000 | 50000 |
Product Tags:
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Ductile Cast Iron Butterfly Valve Gearbox , Handwheel Gearbox Long Life Images
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