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The butterfly valve is designed to be used 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 90°. Opening is done by turning the handle counterclockwise, closing - clockwise. A special feature of the valves of this series is the complete coating of the flow part and the disk with PTFE material, which eliminates contact of the working medium with the materials of the main parts.
The Elephant HGBF reducer allows you to manually set the required positioning of the shut-off element by a quarter of a turn, acting as an alternative to pneumatic, electric or hydraulic quarter-turn drives.
A distinctive feature of this series of valves is that the flow path and disc are completely coated with PTFE, which prevents the working medium from coming into contact with the materials of the main components.
| Characteristic | Meaning |
| Shutter type | rotary disc |
| Diameter | 50-250 mm |
| Nominal pressure | 16 bar |
| Working environment temperature | from -10 to +150°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 -30 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 | L, mm | D1, mm | D2, mm | Z-Ød, mm | H1, mm |
| DN50 | 43 | 125 | 100 | 2-Ø18 | 80 |
| DN65 | 46 | 145 | 120 | 2-Ø18 | 90 |
| DN80 | 46 | 160 | 135 | 4-Ø18 | 100 |
| DN100 | 52 | 180 | 155 | 4-Ø18 | 110 |
| DN125 | 56 | 210 | 185 | 4-Ø18 | 120 |
| DN150 | 56 | 240 | 210 | 4-Ø18 | 150 |
| DN200 | 60 | 295 | 265 | 4-Ø18 | 170 |
| DN250 | 68 | 355 | 320 | 4-Ø18 | 190 |
| DN300 | 78 | 410 | 375 | 4-Ø18 | 230 |

| 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) |

| № | Part Name | Material |
|---|---|---|
| 1 | Body |
DN50÷200 – Carbon steel WCB, lined with PTFE; |
| 2 | Disc | DN50÷200 – Carbon steel WCB, lined with PTFE; DN150÷200 – Carbon steel WCB, lined with PTFE; DN250÷300 – Carbon steel WCB, lined with PFA (enhanced PTFE) |
| 3 | Shaft | DN50÷200 – Stainless steel 2Cr13; DN150÷250 – Stainless steel 2Cr13; DN300 – Steel 45 |
| 4 | Seat seal | PTFE |

| 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
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