Keystone ParaSeal vridspjällsventil
Keystone™ ParaSeal-sortimentet har en beprövad skiva, axel- och sätesanordning konstruerat för användning i högtrycks- och höghastighetsapplikationer.
Har du några frågor?
Fredrik Ekeroth
Solution Seller (parental leave)
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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