Praher Butterfly Valve K4 PVC-U with Hand Wheel
Praher Butterfly Valve K4 PVC-U with Hand Wheel
- Only sleeve gasket and disc in touch with medium
- Double sealed shaft
- Integrated bracket for fix point mounting
- Variable locking positions 90° ±5° adjustable
- Fixed position of the disc due to self-locking gear mechanism
- Smooth running of gear wheel due to high coefficient worm gear
- Less space needed compared to hand lever
- Gear protection IP67
- Ambient temperature range for gear mechanism -20°C bis +80°C
- Additional Information
- Accesories
- Dimensions
Seal materials | EPDM, FPM |
---|---|
Dimensions | DN65/d75/2½" – DN250/d280/10" |
Pressure rates | PN10 |
Connections | flange |
Approvals | Declaration of Conformity acc. to Annex VII of the Directive 97/23/EG, EURASEC Hygienic Certificate, GOST Certificate, Rostehnadzor Permission |

DN | d | G | W | J | K | K-DIN | K-ANSI | D | C | Z | S | R | P | h | F | E | N | H | A | B | M | PN |
65 | 75 | 2 1/2" | 90° | 19 | 127-145 | 145 | 139,7 | 65 | 133 | 46 | 55 | 25 | 7 | 100 | 231,5 | 122 | 53 | 308,5 | 121 | 100 | 42,5 | 10 |
80 | 90 | 3" | 45° | 19 | 146-160 | 160 | 152,4 | 80 | 176 | 49 | 70 | 30 | 9 | 100 | 238,5 | 122 | 53 | 315,5 | 121 | 100 | 42,5 | 10 |
100 | 110 | 4" | 45° | 19 | 175-190,5 | 180 | 190,5 | 100 | 206 | 56 | 85 | 35 | 9 | 115 | 268,5 | 122 | 53 | 358 | 120 | 125 | 42,5 | 10 |
125 | 140 | 5" | 45° | 23 | 209,5-216 | 210 | 215,9 | 125 | 234,5 | 64 | 100 | 45 | 9 | 130 | 303,5 | 122 | 53 | 393 | 120 | 125 | 42,5 | 10 |
150 | 160 | 6" | 45° | 23 | 234,5-241,5 | 240 | 241,3 | 150 | 261 | 70 | 110 | 45 | 9 | 147,5 | 337,5 | 138 | 60,5 | 444,5 | 179 | 160 | 42,5 | 10 |
200 | 225 | 8" | 45° | 23 | 290-298,5 | 295 | 298,45 | 200 | 314 | 71 | 145 | 40 | 9 | 175 | 400 | 138 | 60,5 | 507 | 179 | 160 | 42,5 | 10 |
250 | 280 | 10" | 30° | 22/25,4 | 350-362 | 350 | 362 | 231 | 392 | 114 | 160 | 40 | 9 | 215 | 460 | 125 | 68 | 613 | 209,5 | 250 | 50 | 8 |