490 80W233P5F F07 D11 1913
Butterfly valve, bare shaft
| Item number: | 88501220 | |
| Description |
| Type | 490 | Butterfly valve, bare shaft Edessa |
| DN | 80 | DN 80 |
| Body configuration | W | Intermediate flange version (Wafer), length FTF EN 558 series 20 |
| Operating pressure | 2 | 10 bar |
| Connection type | 3 | PN 16 / flange EN 1092, face-to-face dimension FTF EN 558 series 20 |
| Body material | 3 | EN-GJS-400-18-LT (GGG-40.3), epoxy coated 120 µm |
| Disc/shaft material | P | Stainless steel, PFA encapsulated, FDA approval |
| Shut-off seal material | 5F | TFM/FKM |
| Execution type | 1913 | Butterfly valve body painted with 2K-epoxy paint RAL7035 (light grey), layer thickness 240-280 µm, AA4003 Instructions Coating EN12944-5-C5M V6 |
| Actuator flange | F07 | F07, flange type DIN EN ISO 5211 |
| Shaft connection and size | D11 | Square, diagonal, WAF 11 mm |
| Shaft length | 17 | 17 mm |
This article is listed as a Dual-Use-good according to Regulation EU 2021/821 under Control list No. 2B350g. If these goods are supplied to countries outside the EU, the relevant export restrictions apply. |
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The GEMÜ 490 Edessa PTFE-lined butterfly valve has a bare shaft. The disc and shaft are one piece; body and liner are available in different designs. The butterfly valve is available in nominal sizes DN 25 to 1200 (1"–48"), in the standardized installation lengths: ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) available in wafer and lug body versions.
- Suitable for chemically corrosive media
- Bubble tight sealing, in accordance with EN 12266-1/P12, leak rate A
- High-quality selection of materials can be combined in different ways
- High level of plant reliability thanks to one-piece shaft and spring-washer-supported seal system
- Long service life thanks to shaft bearings and special disc and liner geometry