Description
The wedge gate valve is designed for installation on a pipeline as a shut-off device in water supply systems and the chemical industry.
Operating principle: The wedge, connected to the spindle, is lowered or raised depending on the direction of rotation of the handwheel, closing or opening the flow section of the gate valve body.
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Technical characteristics of wedge gate valves 30nzh941nzh DNOVA GAIR GVWR2424M-2W-F-OST DN50 Ru16 flanged, with OST-flange, bare stem, under electric actuator:
| Characteristic | Meaning |
| Gate valve type | Wedge |
| Diameter | 50 mm |
| Nominal pressure | 16 bar |
| Wednesday | water, steam, petroleum products, gaseous media |
| Working environment temperature | from -29 to +425В°C |
| Application | water supply, heat supply |
| Connection type | flanged |
| Control type | bare stock |
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Sketch of dimensions of wedge gate valves 30nz941nz DNOVA GAIR GVWR2424M-2W-F-OST DN50 Ru16 flanged, with OST flange, bare stem, for electric drive
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Overall and installation dimensions of wedge gate valves 30nz941nz DNOVA GAIR GVWR2424M-2W-F-OST DN50 Ru16 flanged, with OST flange, bare stem, for electric drive:
| Diameter | L, mm | D, mm | D1, mm | D2, mm | b, mm | f, mm |
| DN50 | 180 | 160 | 125 | 100 | 16 | 3 |
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Sketch of materials of wedge gate valves 30nz941nz DNOVA GAIR GVWR2424M-2W-F-OST DN50 Ru16 flanged, with OST-flange, bare stem, for electric drive
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Materials of parts of wedge gate valves 30nz941nz DNOVA GAIR GVWR2424M-2W-F-OST DN50 Ru16 flanged, with OST flange, bare stem, for electric drive:
| No. | Part name | Material |
| 1 | Frame | steel 12x18H9TL |
| 2 | Wedge | steel 12x18H9TL |
| 3 | Wedge fastening | steel 12x18H9TL |
| 4 | Stock | steel 12x18H9TL |
| 5 | Pad | steel 12x18H9TL + graphite |
| 6 | Lid | steel 12x18H9TL |
| 7 | Hairpin | stainless steel 201 |
| 8 | screw | stainless steel 201 |
| 9 | Spindle seal | expanded graphite |
| 10 | Gland seal | stainless steel 201 |
| 11 | Bracket | steel 12x18H9TL |
| 12 | Stem nut | copper alloy ZCuAl10fe3 |
Specifications
Delivery
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