Flowzone Engineering Solution

Neles™ Omega™ globe valve, series GM

Neles series GM globe valves offer superior control performance and high reliability for demanding applications that require the elimination of noise or cavitation. These valves come equipped with Neles diaphragm or piston actuators and Neles valve controllers, ensuring precise flow control, extended operation life, and online performance monitoring as standard.

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  • Valve maintenance made easy: parts can be replaced without removing the valve from the pipeline.
  • Low cost of ownership and minimal maintenance needs.
  • Provides stable process control and noise reduction.
  • Meets ISO 15848 standards for low emissions.


  • One piece body design to minimize potential leak paths.
  • Top-entry construction and quick-change trim for easy maintenance.
  • Rugged top-guided or heavy-duty cage-guided trim constructions and hardened trim surfaces for extended lifetime as default.
  • Omega multi-stage disk stack trim technology for eliminating noise or cavitation in high pressure drop applications.
  • Wide variety of trim capacities, characteristics and trim stages to optimize valve performance.
  • Wide material selection available for different applications.
  • Flanged and welding-end body options.
  • Low emissions according to ISO 15848, with bellows packing available.
  • NACE material options.
  • SIL 3 certified.
  • API 607 fire certified.
  • Optional special cleaning for oxygen, cryogenic, or other services.


  • Oil and gas production
  • Petrochemicals
  • Chemicals
  • Power plants
  • Pulp & Paper
  • Industrial gas
  • LNG


Unbalanced, top-guided / balanced, cage-guided
Size range
DN 25 – 600 / 1″ – 24″
Pressure classes
ASME 150 – 2500 / PN10 – 320 / JIS 10K – 20K
Temperature range
-200 to +593 °C / -320 to +1053 °F
ANSI/FCI 70-2 class IV / V (metal seat), V (soft seat, balanced), VI (soft seat, unbalanced)


  • Technical bulletin
  • Installation, maintenance and operating manual
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