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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, 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 HGBF 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 | 40-300 mm |
| Nominal pressure | 16 bar |
| Working environment temperature | from -20 to +110°C |
| Application | water supply, heat supply, chemical industry, oil and gas industry, food 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 -30 to +120 °C |
| Application | water supply, heat supply, chemical industry, oil and gas industry, food industry |
| Connection type | ISO 5211 |

| Diameter | L, mm | H, mm | H1, mm | D2, mm | D1, mm | nd, mm |
| DN40 | 43 | 147 | 70 | 92 | 125 | 4-23 |
| DN50 | 43 | 147 | 70 | 92 | 125 | 4-23 |
| DN65 | 46 | 155 | 76 | 110 | 145 | 4-23 |
| DN80 | 46 | 164 | 92 | 121 | 160 | 8-20 |
| DN100 | 52 | 175 | 106 | 153 | 180 | 4-23 |
| DN125 | 56 | 194 | 119 | 176 | 210 | 4-23 |
| DN150 | 56 | 206 | 132 | 207 | 240 | 4-25 |
| DN200 | 60 | 237 | 162 | 259 | 295 | 4-25 |
| DN250 | 68 | 282 | 200 | 316 | 355 | 4-28 |
| DN300 | 78 | 311 | 225 | 370 | 410 | 4-28 |

| Model | A, mm | B, mm | C, mm | D, mm | E, mm | F, mm | H, mm | d1, mm | D2, mm | D3, mm |
| HGB-1 | 165 | 127 | 84 | 66 | 12 | 47 | 73 | 35 | 81 | 50/70 |
| HGB-2 | 185 | 142 | 102 | 79 | 12 | 52 | 78 | 42 | 92 | 70(89) |
| HGB-3 | 250 | 190 | 140 | 112 | 16 | 68 | 108 | 55 | 125 | 70/102/125 |
| HGB-4 | 300 | 220 | 164 | 120 | 20 | 71 | 111 | 70 | 140 | 102/140(125) |

| No. | Part name | Material |
| 1 | Frame | cast iron QT450 |
| 2 | Disk | Stainless steel 316L |
| 3 | Saddle seal | EPDM + wear-resistant material (siliclone+graphite) |
| 4 | Stock | steel 2Cr13 |

| No. | Name | Material |
| 1 | Transparent indicator cover | PC Plycarton resin |
| 2 | Screw | steel 304 |
| 3 | Screw | steel 304 |
| 4 | Lid | aluminum ADC 12 |
| 5 | Worm gear reducer | cast iron QT450 |
| 6 | Adjusting screw | steel 304 |
| 7 | Rack | steel 45 |
| 8 | Case | butadiene-acrylonityl rubber |
| 9 | Sleeve | PZ2175 based on ketones |
| 10 | Bearing | alloy steel |
| 11 | Frame | aluminum ADC 12 |
| 12 | Bearing | alloy steel |
| 13 | Seal | rubber |
| 14 | Washer | steel 304 |
| 15 | Screw | steel 304 |
| 16 | Axis | steel 45 |
| 17 | Limit switch | - |
| 18 | Sealing ring | butadiene-acrylonityl rubber |
Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
US$40
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