Neotecha NeoSeal linad vridspjällsventil
Neotecha™ NeoSeal är en PTFE-linad lösning enligt ISO 5752/5 kort (EN 558-1 / T5) med olika korrosionsbeständiga skivmaterial.
Har du några frågor?
Fredrik Andrée
Solution Seller
Tel. 054-57 92 41
Fredrik Malmström
Solution Seller
Tel. 040-33 02 33
Johan Riedenlow
Account Manager
Tel. 040-33 02 30
| Certifications | PED, Fugitive Emission, CUTR, CRN, CE |
| End Connection | Lugged, Wafer |
| Body Design | Short Pattern |
| Material | Ductile Iron |
| Operating Temperature | Less Than 200 C |
| Pressure Class | PN |
| Seat/Seal Type | Lined |
| Valve Size Standard | DN |
| Media | Aggressive Liquids/Gases |
- Upper and lower set of Belleville springs put pressure to keep the two sealing surfaces of the stem seal together resulting in a superior TA-Luft / VDI 2440 approved. tem seal.
- The elastomer back-up pads behind the liner ensure a tight fit around the disc, for a bubble tight shut-off.
- The liner provides a wide flange sealing surface.
- A one piece thin disc stem lined with 3 mm molded PFA providing high Kv values.
- The liner and disc are the only two valve parts in contact with the medium.
- Primary shaft sealing by preloaded contact between disc and liner hub.
- Secondary shaft seal by oversizing the shaft diameter in relation to the shaft hole in the liner.
- The liner and disc are molded and machined to close tolerances to provide:
- low torque
- less stress and deformation during opening and closing
- Vacuum tests with helium with pressures less than 20 Pa absolute (0.2 mbarA).
- Optional TFM lining available for extremely demanding applications.
- Integral body locating holes to ensure perfect centering of the valve.
- Actuator flange and stem dimensions acc. ISO 5211.
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