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HomeProductsFor Valve IndustryElectrically Actuated Gearbox
Manufacturer and Exporter of Gearboxes and Accessories for Valves, Gearboxes and
Sub-Assemblies for Vacuum Circuit Breakers (VCBs)
Electrically Actuated Gearbox
EA Series : Quarter Turn Worm Gear Operator for Electric Actuation
Features
- Robust design with aesthetically pleasing look
- 29 models up to a Torque of 4,50,000 Nm and F-80 mounting base, max. stem acceptance dia. of 340 mmand actuator side mounting up to F-16
- Fully sealed gearbox having a standard Ingress Protection rating of IP-68
- Rugged Ductile iron(DI)body and Alloy steel hardened integral worm-shaft for longer life and extreme temperature applications
- High Performance thrust and radial bearings for best-in-class efficiency
- Smaller size of Electric Actuator can be used because of higher mechanical advantage developed by gear operator
- Stroke 0-90o (+/- 5o adjustment)
- Epoxy Primer Coating is standard, Finish painting is available on request
- Worm + Spur, Worm + Bevel, Worm + spur + bevel configurations available to reduceinput torque and also for 'top operating' requirement
Options :
- Housing material extra options (Carbon Steel/ Stainless Steel)
- Worm shaft and Fasteners option available in SS316
- Worm wheel material – Al. Bronze
- High Temperature Variant up to +200o C
- Low Temperature Variant up to -60o C
- Variant for Marine Application available
- Top Operation available for space constraints
- Various Gear Ratios available per model for Operating Time constraints
Specifications :
- Standard enclosure – IP-68
- Lubrication – High Performance Grease Filled (NLGI – 2)
| Material of Construction | ||
| Sr. No. | Part Name | Material |
| 1 | Housing | ASTM A536 65-45-12 OR SGI 450/12 |
| 2 | Cover | ASTM A536 65-45-12 OR SGI 450/12 |
| 3 | Gear | ASTM A536 80-60-03 OR SGI 600/3 |
| 4 | Worm Shaft | En19 |
| 5 | End Cap | Carbon Steel AISI 1020 |
| 6 | Bearings | STD |
| 7 | Fastners | HT-8.8 GR |
| 8 | 'O' Ring & Oil Seal | NBR |
| 9 | Indicator | MS Painted (Carbon Steel AISI 1020) |
| 10 | Actuator Flange | ASTM A536 65-45-12 OR SGI 450/12 |
Performance Specifications of Quarter Turn Worm Gear Operations (Electric Actuation - EA Series)
