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Sigma Valves

Sigma Valves is a consolidation between Sigma Valves and HLR Controls. Sigma Vlaves, today called Sigma HLR, is manufacturer of stainless steel specialty valves and has been since 1968. Sigma Valves, Sigma HLR, is a well-reputed manufactures with a long record of reliable references.

The stainless valves from Sigma Valves, Sigma HLR has among other nice features a pneumatic/hydraulic interface and fusible devices.


From Sigma Valves, Sigma HLR HYTOR has:

  • Hydraulic interface valves – control valves
  • Quick Exhaust Valves
  • Fusible Devices
  • Pressure sensors
  • Relief Valves
  • Check Valves

Visit Sigma Valves - Sigma HLR website