| Model： | ||
| Standard or Nonstandard： | Standard |
|
| Power： | Pneumatic |
| PriceRange： | ||
| Structure： | Plug |
|
| Material： | Alloy |
China (Mainland)
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Contact：Bruce Zhou
Tel：86-21-68106366
Fax：86-21-58109777
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Plug valves are valves with cylindrical or conically-tapered "plugs" which can be rotated inside the valve body to control flow through the valve. General plug valve seals by the direct contacts between Metal plug body and valve body. So it is poor sealing, opening and closing force, easy to wear, usually only for low (no higher than 1 MPa) and small-caliber (small to 100 mm) of occasions.
In order to expand the application scope of plug valves, we have developed many new structures. Lubricated plug valve is the most important one. Special grease gets from the top of the plug body and plug into the body of the valve cone, forming a film to reduce the opening and closing moments, to improve sealing and life. The lubricant must be compatible with the temperature and nature of the fluid.
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