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Gear Operator For Butterfly Valve

Categories Handwheel Gear Operator
Brand Name: Stard-gears
Model Number: SGJ
Certification: IP67
Place of Origin: China
MOQ: 1
Price: Negotiable
Payment Terms: D/P, T/T
Supply Ability: 2000 Pcs-6 weeks
Delivery Time: 20~30 work days
Packaging Details: Cartons or wooden cases
Material: cast steel (WCB)
Protection class: IP67~IP68
Operating temperature: -20℃~120℃
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Gear Operator For Butterfly Valve

Handwheel Gear Operator cast steel WCB gear operator butterfly valve gearbox IP67


SGJ series partial-turn gear operators

This single-stage gear operator series with cast steel box is widely used in gas, oil, chemical plants, and nuclear power plants and for general industrial applications, with the torque ranging from 1000NM to 5600NM and the speed ratio from 30:1 to 140:1.


Instructions for Installation and Operation

Connect the bottom flange of the gear operator to the upper flange of the valve and slide the valve shaft into the hole on the worm gear. Tighten the flange bolt. The valve can be closed by turning the hand-wheel clockwise and opened by turning the hand-wheel counterclockwise. On the upper face of the gear operator, a position indicator and a position marking are mounted, through which the position of switch can be directly observed. The gear operator is also equipped with a mechanical limit screw, which can be adjusted and function to limit the position at the switch extreme position.


Product Features

  • WCB casing
  • Welded hand-wheel (200 or above)
  • 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

Customization

  • 306, 304, LCC, or LCB casing
  • IP68 grade protection
  • Aluminum-bronze worm gear
  • Stainless steel input shaft
  • For high temperature up to 320℃
  • For low temperature down to -40℃
  • Designed with a lock mechanism
Main Components List
Part nameMaterial
Welding HandwheelQ235A/T700-2006
CoverWCB GB/ T12229-2005
HousingWCB GB/T12229-2005
Worm45GB/T699-1999
Left end coverWCB GB/T12229-2005
Worm gearQT500-7/GB1348-88
CoverWCB GB/ T12229-2005
IndieatorQ235A/T700-2006
Gear wheel45GB/T699-1999
Gear shaft45GB/T699-1999
Gear boxWCB GB/ T12229-2005


Main Technical Parameter

ModelSGJ30SGJ50SGJ80SGJ70SGJ140
Gear ratio30:150:180:170:1140:1
Maximum travel90°90°90°90°90°
Limit adjust±5°±5°±5°±5°±5°
Rating input110100115200145
Rating output10001400250045005600
Efficiency30282731.828


SGJ Series Valve Gearboxes
This single-stage transmission series with cast steel housing is widely used in and for gas, oil, chemical plants, nuclear power facilities, and general industrial-purposes.
- Dimensionally compact, highly efficient, and of one-piece worm design
- Have IP65, IP67, and IP68 protection levels for option
- Optional housing materials including cast steel (WCB), 306, 304, LCC, and LCB


Major Clients:CIRCOR ENERGY / EBRO


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