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Ball Valve Handwheel Gear Operator / Partial-Turn Gray Iron Casing

Categories Handwheel Gear Operator
Brand Name: Stard-gears
Model Number: S007
Certification: IP68
Place of Origin: China
MOQ: 1
Price: Negotiable
Payment Terms: D/P, T/T
Supply Ability: 1000 Pcs-6 weeks
Delivery Time: 20~30 work days
Packaging Details: Cartons or wooden cases
Material: cast iron,nodular cast iron
Protection class: IP67~IP68
Operating temperature: -20℃~120℃
Application: General,Oil,Gas,Water,Valves for Solid/Liquid and Gas
Color: Blue,Customer Require,Black
Product name: cast iron worm gear
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Ball Valve Handwheel Gear Operator / Partial-Turn Gray Iron Casing

Ball Valve Handwheel Gear Operator / Partial-Turn Gray Iron Casing

S008 series partial-turn gear operators

This series is available in 13 models with the speed ratio varying from 42:1 to 2292:1 and the torque ranging from 720NM to 100000NM. The torque difference between every two adjacent models is small, helping to save a lot of costs customers when selecting a specific product.

It is suitable for use on 90° rotary butterfly valves, ball valves, and plug valves.

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

  • Gray iron casing
  • Welded hand-wheel
  • 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 casing
  • IP68 grade protection
  • Aluminum-bronze worm gear
  • Stainless steel input shaft
  • Designed with a lock mechanism

Main Components List

Part nameMaterialoptional material
Hand wheelQ235A/T700-2006
HousingHT200/GB9439-88WCB GB/T12229-2005
Gear boxHT200/GB9439-88WCB GB/ T12229-2005
CoverHT200/GB9439-88WCB GB/ T12229-2005
Gear wheel45GB/T699-1999
Gear shaft45GB/T699-1999
CoverHT200/GB9439-88WCB GB/ T12229-2005
Worm gearQT500-7/GB1348-88
IndieatorHT200/GB9439-88WCB GB/ T12229-2005

Main Technical Parameter

ModelratioRating input(Nm)Rating output(Nm)Efficiency(%)

S008 Series Valve Gearboxes
This series consists of 14 models varying from 43:1 to 3525:1 in terms of gear ratio and from 720NM to 150000NM in terms of torque.
- Quarter turn gearbox designed to use for the manual Installation, maintenance, and operation of valves (e.g. butterfly/ball/plug valves) in pipelines.
- Have IP65, IP67, and IP68 protection levels for option
- Optional housing materials including cast iron , ductile cast iron

Major Clients:Warren Valve / Forum Energy / Velan valve

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