Description
The wedge gate valve is designed for installation on the pipeline as a shut-off device in water supply systems and chemical industry.
Operating principle: The wedge connected to the spindle is lowered or raised depending on the direction of rotation of the hand wheel, closing or opening the passage section of the gate valve body.
The multi-turn actuator is designed for control of industrial shut-off valves, e.g. cast iron and steel gate valves, slide gates, etc.
Application: electric actuator allows to use the valve in automatic control systems of heat and water supply of civil and industrial facilities.
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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 | electric drive |
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Electric drives DNOVA MT-N-xEM-O1-380VAC-U1
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Technical characteristics of electric drives DNOVA MT-N-xEM-O1-380VAC-U1:
| Characteristic | Meaning |
| Electric drive type | multi-turn |
| Supply voltage | 380 V |
| Ambient temperature | from -28В°C to +60В°C |
| Maximum drive speed | 50 |
| Degree of protection of the case | IP67 |
| Internal thermal protection response temperature | 110В°C |
| ISO Flange Type | F10/F12 |
| Country of origin | China |
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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 dimensions of electric drives DNOVA MT-N-xEM-O1-380VAC-U1
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Overall and installation dimensions of electric drives DNOVA MT-N-xEM-O1-380VAC-U1:
| O, mm | 40 |
| A, mm | 149 |
| B, mm | 119 |
| C, mm | 114 |
| D, mm | 200 |
| E, mm | 151 |
| F, mm | 105 |
| G, mm | 117 |
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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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