Special valves

We offer advanced special valve solutions by ADAMS for the most demanding industrial applications.
This range includes combined valves, hydropower plant equipment, and fully customized special solutions, engineered for maximum safety, reliability, and long-term performance in critical operating conditions.

Special products for hydropower plants

Stop-/throttle valve

  • DN200 / 8″to DN5000 / 200″
  • PN2 to PN30, depending in the nominal width spherical valve
  • High-quality steel
  • Hydrodynamically shaped
  • Tight in all situations

Spherical valve

  • DN200 / 8″to DN3000 / 120″
  • PN10 to PN200, depending in the nominal width
  • High operating pressures
  • Recommended as safety valves
  • Close automatically
  • Two sealing systems

Hollow-jet valves

  • DN200 / 8″to DN3500 / 140″
  • PN2 to PN30, depending in the nominal width
  • High efficiency
  • Environmentally compatible
  • Enriched with oxygen
  • Elastic / Metallic sealing

Combined valves

GZA

  • DN500 / 20″ to DN4000 / 160″
  • -20°C / -4°F to 150°C / 302°F
  • PN2.5/6/10/16/25/40/64
  • ANSI 150/300
  • Low pressure-loss coefficients
  • Service-friendly construction
  • Operation via an externally positioned closure weight and hydraulic service drive

GBZ / AZI

  • GBZ: DN100 / 4″ to DN800 / 32″
  • AZI: DN500 / 20″ to DN3000 / 120″
  • -50°C / -58°F to 200°C / 392°F
  • PN2.5/6/10/16/25/40
  • ANSI 150/300
  • No flow turbulences
  • Additional screw retention
  • Compact dimensions

Special solutions

High Pressure

High temperature

FCC valves

Ethylene valves

Special control valve trim

Hydrogen valves

Nuclear valves

Big valves

Looking for more details?

Explore the full range of ADAMS valves, technical specifications, and applications on the official website.

Visit ADAMS Armaturen website