4 different sized cast iron manual gearboxes with indicators and handwheels

Manual Valve Gearboxes


  • To compliment our automated ‘Power-tork’ product range Omega Valves are able to supply a full range of handwheel operated worm gearboxes in both standard and de-clutchable configurations.
  • All of our gearboxes are assembled, tested and fitted free of charge in our purpose built test area offering fast next day delivery and a quick, reliable service.


  • Valve worm gearboxes
  • Valve worm gearboxes with de-clutchable manual override
  • Valve worm gearboxes stainless steel
  • Valve worm gearboxes stainless steel with de-clutchable manual override

Size & Design

  • Available in various sizes to suit valve torque ranges from 200 n.m. to 2000 n.m


  • Cast Iron or Stainless Steel


  • Sealed to IP67
  • stainless steel shaft
  • steel position indicator and ISO Mount

Options Include

  • Padlock
  • Limit Switches
  • Locking devices for fixing in open/closed
  • chain-wheels

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from our team.

You have Successfully Subscribed!