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ARI-STEVI® ON/OFF CONTROL VALVES STRAIGHTWAY FORM

ARI-STEVI ON/OFF control valve - standard type fig. 405/460
standard classic on/off globe control valve for standard applications. 

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
  • Straightway form
  • Flanged connections acc. to DIN
  • Seat and plug in different types and materials
  • Operation: Manual, pneumatic or electric actuators
  • Optional equipment: Bellow (fig. 460), positioner, limit switches, emergency hand wheel and fail safe for electric actuator
Applications
  • For control of steam, hot water, water, heat transfer oil, cooling water, gases and other liquids
  • For industry, offshore, ship building,  heating/cooling systems and ventilation
Technical documentation
  • PED 2014/68/EU
  • ATEX 2014/34/EU
  • Certificate EN 10204-3.1, TA-Luft, DVGW Gas on request

Other special valves like ARI-STEVI®BBD fig. 415 automatic blow down valve for boilers and
ARI-STEVI fig. 453 control valve for feed water applications.
Technical table
  • Sizes: DN15-500 (Kvs: 4,2 - 4530)
  • Pressure classes: PN16-40, ref. size vs p/t diagram
  • For media/process temperatures from -10°C (-60°C) to +450°C
  • Face to face acc. to DIN EN 558 series FTF-1
  • Leakage rate acc. to DIN EN 12266 Rate A
  • Body material: Cast iron EN-JL1040, nodular iron EN-JS1049, carbon steel 1.0619+N, stainless steel 1.4408
  • Plug (1.4021+QT, option 1.4571), flat/"Isolation plug" (standard) metal-seated, flat/"isolation plug" PTFE soft seal or SDNR 
  • Seat (1.4021+QT option 1.4571), rolled into body. Stellited (option)
  • Stem sealing in PTFE V-ring, PTFE, EPDM, graphite and stainless steel bellow