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Knife Gate Valve
A gapless gate valve (also known as a knife gate valve) with a valve core made of wear-resistant rubber developed by international advanced technology
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Advantages and Characteristics
Working principle
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Advantages and Characteristics
Xinhai Knife Gate Valve has a long service life, and its lining is made of wear-resistant rubber developed using unique nano formula technology. The wear resistance index exceeds 128%, which can extend the service life by 2-4 times compared to other rubbers;
Strong sealing performance, the wear-resistant rubber lining has an elasticity of over 80%, ensuring no leakage and less likely to cause water hammer impact;
The flow port is not easily blocked, due to the wear-resistant rubber valve lining, the surface is smooth and neat, and the blockage situation is almost zero;
Simple structure, easy to operate, and easy to maintain;
No pressure loss.
| Working principle | Process diagram of knife gate valveXinhai Knife Gate Valve is mainly composed of valve seat, valve liner, gate plate, bracket, and driving device. Under the action of pre tightening force during assembly, the two valve seats tightly fit the valve liner to form a short pipe that is docked. The valve is closed, and the valve wedge is inserted between the covers of the two valve seats to cut off the fluid. In addition, Xinhai knife type gate valve is a manual knife gate valve, which can be made into electric knife gate valve and pneumatic knife gate valve according to user requirements. It can be operated on site or remotely controlled. The structural length and flange size of electric and pneumatic gapless gate valves are generally made according to national standards, and can also be made according to user needs. | Technical Parameter | DNThe pressure endured | (Mpa)Electric device model |
|---|---|---|---|---|
| 50 | 1.6 | Upper limit torque | 100 | 0.25 |
| 65 | 1.6 | (Newton meters) | 100 | 0.25 |
| 80 | 1.6 | Motor Power | 100 | 0.25 |
| 100 | 1.6 | (KW) | 200 | 0.37 |
| 125 | 1.6 | DZ10 | 200 | 0.37 |
DZ10
| DZ10 | DZ10 | DZ10 | XWXZF/D-1.6 Xinhai wear-resistant electric gapless gate valve structure size table | DN | A | D | D1 | D2 |
|---|---|---|---|---|---|---|---|---|
| 50 | 60 | 165 | 125 | 94 | n-Φd | 180 | 546 | 90 |
| 65 | 60 | 185 | 145 | 112 | B | 200 | 565 | 100 |
| 80 | 64 | 200 | 160 | 126 | H | 220 | 580 | 110 |
| 100 | 64 | 220 | 180 | 150 | H1 | 240 | 610 | 120 |
| 125 | 70 | 250 | 210 | 178 | 4-Φ18 | 270 | 640 | 135 |
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