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The butterfly valve is designed for use as a shut-off or control valve to control flows in heat supply systems, water supply systems, in technological processes in the food, chemical, oil and gas, pulp and paper and other industries.
Operating principle: The valves open and close by turning the disk by 90°. Opening is done by turning the handle counterclockwise, closing - clockwise.
The Elephant reducer allows you to manually set the required positioning of the shut-off element by a quarter turn, acting as an alternative to pneumatic, electric or hydraulic quarter-turn drives.
| Characteristic | Meaning |
| Shutter type | rotary disc |
| Diameter | 50-300 mm |
| Nominal pressure | 16 bar |
| Working environment temperature | from -20 to +200°C |
| Application | water supply, heat supply, chemical industry, oil and gas industry, food industry, pulp and paper industry |
| Connection type | interflange |
| Control type | Manual (handle, gearbox) |
| Sealing class | A |
| Service life | 10 years |
| Guarantee | 12 months |

| Characteristic | Meaning |
| Working environment temperature | from -40 to +120 °C |
| Application | water supply, heat supply, chemical industry, oil and gas industry, food industry, pulp and paper industry |
| Connection type | ISO 5211 |

| Diameter | A, mm | B, mm | C, mm | PCD, mm | ØD, mm | H, mm | Q° |
| DN50 | 72.5 | 130.5 | 43 | 125 | 19 | 220 | 45 |
| DN65 | 77.5 | 146.5 | 46 | 145 | 19 | 220 | 45 |
| DN80 | 92 | 156 | 46 | 160 | 19 | 220 | 22.5 |
| DN100 | 109 | 168.5 | 52 | 180 | 19 | 260 | 22.5 |
| DN125 | 127 | 190.5 | 56 | 210 | 19 | 260 | 22.5 |
| DN150 | 141 | 213.5 | 56 | 240 | 23 | 260 | 22.5 |
| DN200 | 166 | 246.5 | 60 | 295 | 23 | - | 15 |
| DN250 | 203 | 283 | 68 | 355 | 28 | - | 15 |
| DN300 | 236 | 318 | 78 | 410 | 28 | - | 15 |

| Model | A, mm | B, mm | ØC, mm | D, mm | J, mm | G, mm | T, mm | ØF, mm | 4M, mm | HxH, mm |
| RDN-1 | 170 | 130 | 160 | 100 | 45 | 120 | 50 | 50 | 4-M8 | 9x9 |
| RDN-2 | 170 | 130 | 160 | 100 | 45 | 120 | 50 | 50 | 4-M8 | 11x11 |
| RDN-3 | 170 | 130 | 160 | 100 | 45 | 120 | 50 | 50 | 4-M8 | 14x14 |
| RDN-4 | 240 | 160 | 260 | 130 | 55 | 150 | 70 | 100 | 4-M10 | 17x17 |
| RDN-5 | 240 | 160 | 260 | 130 | 55 | 150 | 70 | 100 | 4-M12 | 22x22 |

| No. | Part name | Material |
| 1 | Frame | stainless steel 304 |
| 2 | Disk | stainless steel 304 |
| 3 | Saddle seal | Viton |
| 4 | Stock | Stainless steel SS 416 |
| 5 | Lever | carbon steel |
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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