VA-RANGE

  • Robust housing made of Stainless Steel
  • Quadrant made of Alubronze 
  • Standard equiped with stainless steel Relief nipple and Grease nipple
  • IP68 enclosure,
  • Suitable for butterfly valves, ball valves, and plug valves
  • Available in 8 sizes, delivering torque up to 11000 Nm

VA Range Gearbox Stainless Steel 316 Range – Built for Extreme Environments

The Heavy Duty Stainless Steel 316 range from Alfa Gears is engineered for applications where corrosion resistance is critical and failure is not an option.

With a Stainless Steel 316 housing, an IP68-rated enclosure, and a durable alubronze quadrant, this range is designed to perform reliably in highly corrosive and chemical environments. Think offshore, chemical plants, and aggressive atmospheres — this gearbox feels right at home.

Available in 8 sizes with torque capacities up to 11,000 Nm, this range combines traditional heavy-duty engineering with materials chosen for longevity and safety.

Alfa Gears Heavy Duty Stainless Steel 316 Range
Maximum corrosion resistance. Proven strength. Built to survive where others fail.

General technical information

Alfa-Series quarter-turn worm gearboxes are applied to ball valves, butterfly valves, dampers and other 90° rotary valves. Alfa Gears hand wheels are with a variety models for optimal operation.
Alfa Gears quarter-turn Worm gearboxes are with good mechanical quality and steady operating performance which apply to deal with variety climate and temperature. We strive to develop Alfa Gears valve gear operators to meet higher demands in the market.
  • Enclosure: IP67 Standard (IP68 on request)
  • Working Temperature: From -50°C to 150°C (-4°Fto248°F)
  • Painting: Black RAL 9005, or according customer specification

The flange connecting to valve is according to EN ISO5211 or DIN3210 (Customization). including Sintered coupling system for various shaft connections. Please click on our link to dowload the Alfa Gears Dimensions or Alfa Gears Materials specification.

Our high standards

    1. Precision casting stainless steel SS316 housing
    2. Optimal output torque, range up to 11000 Nm
    3. High efficient needle roller bearing
    4. High strength stainless steel Input shaft
    5. Stroke 0°- 90°(± 5°)
    6. Alu bronze quadrants
    7. Grease filled for longer life
    8. Adjustable stopper (± 5°)
    9. Perfect sealing performance
    10. IP68 Enclosure Standard
Download Material VA Range Specification Sheet + Dimensions Installation and Operating Manual Englisch Installation and Operating Manual German Datasheet VA35 (350Nm) Metric Datasheet VA55 (550Nm) Metric Datasheet VA100 (1000Nm) Metric Datasheet VA200 (2000Nm) Metric Datasheet VA350 (3500Nm) Metric Datasheet VA700 (7000Nm) Metric Datasheet VA900 (9000Nm) Metric Datasheet VA1100 (11000Nm) Metric

Options VA-RANGE

Handwheels Stainles Steel 316

The Alfa Gears Handwheels are available in various types such as: (SW) Steel Welded (SSW) Stainless Steel Welded (SP) Steel Pressed (SC) Steel Casted

Vane indicator Stainless Steel

Vane indicators can be added to all Alfa Gearboxes Orange painted or stainless steel.

KW Chainwheel

Alfa Gears KW Chainwheels and chain according DIN 766 (6 mm) and chain holders are available for gearbox type 55 and larger. Available diameters: ø135 , ø215 , and ø335mm

Switchbox S200

Alfa S-200 switchbox with assembly system suitable for all Alfa Gearboxes. Easy to mount on all types of Alfa Gearboxes with our Namur mounting plate.

Locking device Stainless Steel 316

Padlocking flanges can be added to all Alfa gearboxes in steel painted or stainless steel.

Extensions / Brackets / Adapters

Alfa Gears can offer a large variation of inserts, mounting brackets, adapters, valve extensions and wormshaf extensions.

More information

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