The Alfa Gears VA Range quarter turn gearboxes are manufactured with a stainless steel 316 (1.4408) housing, Coverplate, Inputshaft and an aluminium bronze (C95400) Quadrant.
The handwheels are made also made of stainless steel 316.
This VA Range is also applicable with several other applications such as padlock systems and limit switchbox systems
4 sizes · up to 11.000Nm · IP68 Enclosure · Alubronze quadrant · Stainless Steel A4 fasteners
GENERAL TECHNICAL INFORMATION
Application
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.
Operating Enviroment
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.
Factory Standard
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
Connect with Valve
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 download the Alfa Gears Dimensions or Alfa Gears Materials specification.
OUR HIGH STANDARDS
- Precision casting stainless steel SS316 housing
- Optimal output torque, range up to 11000 Nm
- High efficient needle roller bearing
- High strength stainless steel Input shaft
- Stroke 0°- 90°(± 5°)
- Alu bronze quadrants
- Grease filled for longer life
- Adjustable stopper (± 5°)
- Perfect sealing performance
- IP68 Enclosure Standard