Praher Wafer Check Valve K4 PP-GR
Praher Wafer Check Valve K4 PP-GR
- Media does not contaminate metal parts
- Visual position indication
- Disc opening up to 85°
- Excellent flow-rates due to a wider opening cross section
- Integrated spacer
- Mounting between DIN, ANSI, JIS flanges
- Flap stopper and body stiffening ribs for increased strength
- Additional Information
- Dimensions
| Seal materials | EPDM, FPM |
|---|---|
| Dimensions | DN65/d75/2 ½" – DN250/d250,D280/10" |
| Pressure rates | PN10 |
| Connections | flange |
| Approvals | Declaration of Conformity acc. to Annex VII of the Directive 97/23/EG |
| d | DN | A | B | C | K* | W | D | E | F |
| 75 | 65 | 115 | 63 | 20 | 139-145 | 90° | 45 | 19 | 4,5 |
| 90 | 80 | 128 | 71 | 20 | 150160 | 45° | 53,5 | 24,5 | 6 |
| 110 | 100 | 155 | 80 | 20 | 175191 | 45° | 76,5 | 32 | 6 |
| 160 | 150 | 212 | 106 | 24 | 234242 | 45° | 113,5 | 44 | 8 |
| 225 | 200 | 264 | 140 | 24 | 290299 | 45° | 149 | 62,5 | 9 |
| 280 | 250 | 325 | 140 | 27 | 350362 | 30° | 186 | 77,5 | 15 |
