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ARI-STEVI® PRO CONTROL VALVE 3-WAY FORM

ARI-STEVI®Pro – fig. 453, 3-way form control valve for feedwater applications and continuous regulation.

Control valves from ARI-Armaturen can be delivered if different executions and for a lot different processes & applications. The valves are made with individual solutions and prepared for the specific processes & applications. The valves can be fitted with different types of actuators, seats and plugs in different materials and shapes depending on application.

Contact us for more information about these variants.

Properties
  • 3-way form, Mixing or Diverting
  • Flanged connection acc. to DIN
  • Linear or equal percentage regulating characteristics (30:1)
  • Perforated plug, metal seated (screwed seat rings)
  • Operation: Electric actuator ARI-Premio-Plus 2G
  • Optional equipment: Limit switches, positioner etc.
Applications
  • For control of feed water, hot water
  • For industry, offshore, heating/cooling systems
Technical data
  • Sizes: DN25-100 (Kvs: 01, - 63)
  • Pressure classes: PN16-PN40, ref. size vs p/t diagram
  • For media/process temperatures from -10°C to +180°C
  • Face to face acc. to DIN EN 558 series FTF-1
  • Leakage rate IV acc. to DIN EN 60534-4
  • Body: Carbon steel 1.0619+N
  • Plug (1.4021+QT, stellited) perforated, metal-seated
  • Seat (1.4021+QT, stellited), screwed in
  • Stem sealing in EPDM
Technical documentation
  • PED 2014/68/EU
  • ATEX 2014/34/EU
  • Certificate EN 10204-3.1, TA-Luft, DVGW Gas on request