Keystone ParaSeal vridspjällsventil

Keystone ParaSeal vridspjällsventil

Keystone™ ParaSeal-sortimentet har en beprövad skiva, axel- och sätesanordning konstruerat för användning i högtrycks- och höghastighetsapplikationer.

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Fredrik Ekeroth
Solution Seller
Tel. 054-57 92 06

Fredrik Malmström
Solution Seller
Tel. 040-33 02 33

Johan Riedenlow
Account Manager
Tel. 040-33 02 30

Certifications DVWG, PED
End Connection Flanged, Lugged, Wafer
Application Desalination, Water distribution, Chillers , Balance of Plant, Water Treatment
Body Design Short Pattern
Material Epdm Rubber, Duplex, Ductile Iron, Cast Iron, Carbon Steel, Buna-N, Bronze, 316L Stainless Steel, 316 Stainless Steel, 304 Stainless Steel, Aluminum Bronze
Operating Temperature Less Than 200 C
Pressure Class ASME, PN
Process Connection Type 125FF, 150RF, PN16, PN25, 150FF
Seat/Seal Type Resilient
Shutoff Class Zero Leakage
Valve Size NPS 6 / DN 150, NPS 4 / DN 100, NPS 3 / DN 80, NPS 24 / DN 600, NPS 2-1/2 / DN 65, NPS 20 / DN 500, NPS 2 / DN 50, NPS 18 / DN 450, NPS 16 / DN 400, NPS 14 / DN 350, NPS 12 / DN 300
Valve Size Standard NPS, DN
Valve Type Butterfly
Media Air, Air, Inert Gas, Water
Stem O-ring
  • Available in wafer, lugged and double flanged
  • One piece body design acc. ISO 5752 series 20 (DIN 3202 K1)
  • Suitable for severe vacuum and up to 25 bar bubble tight shut off
  • The field replaceable seat fully isolates the body and shaft from the media
  • Bed grooved seat construction for tight shut off at full rated pressure, also for end of line service
  • Suitable for Bördel and slip-on flanges
  • A molded-in O-ring in the seat face for flange sealing. No flange gaskets required
  • Lenticular shaped disc to improve flow capacity
  • Splined, squared or key shaped disc/shaft connection
  • Dry shaft design
  • PTFE lined bearings to minimize friction
  • Actuator flange acc. ISO 5211

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