Change Over Valves [COV]

DN 15 ÷ DN 200

Class 150 ÷ Class 900

Design
  • Forged or casted body and bonnet
  • Bolted bonnet (BB)
  • Rising stem (RS), outside screw and yoke (OS&Y)
  • Seats are integral or welded on
Applications
  • Completed with safety valves Change Over Valves ensure uninterrupted operation in facilities for storage of natural gas and tanks for storage of technical gas
Media

Valves intended for:

  • natural and technical gases
  • oil products
  • other non-aggressive media
Class and temperature
  • Pressure up to 400 bar
  • Class 150 ÷ Class 900
  • Temperature up to 600 °C
Materials
  • Carbon, heat resistant alloy and stainless steels
Advantages
  • Long service life
  • Respect to emission standards
  • Easy handling and maintenance
  • Stem packing replacement in working conditions
Options
  • Flanges and welding endsaccording to: GOST, DIN, ASME, etc.
  • Other paint finishes are available upon customer’s request
  • Valve complete with counter flanges, bolting and gaskets
Testing
  • Every produced valve was tested according to API 598

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