PromaXX Extrusion Technology Co.,Ltd. has three main service sectors: Twin Screw Extruder Spare Parts manufacturing, Twin Screw Extruder maintenance equipment, High Wear Resistant Solution. Extruder Spare Parts,Spare Parts For Extruder Machine,Twin Screw Extruder Spare Parts,Spare Parts For Extruder Jiangmen PromaXX Extrusion Technology Co.,Ltd. , https://www.extruder-service.com
1. It adopts two-section valve stem without pin connection, the structure is simple and compact, the maintenance and disassembly is very convenient (can be disassembled on site); the disc has automatic centering function (upper and lower, left and right), which realizes the small interference between the disc and the valve seat. Amount of cooperation. 2. The tongue and groove valve seat can ensure the accurate connection between the valve body, the valve seat and the disc plate, and the valve seat can be easily replaced.
3, the use of the world's advanced spherical seal pair, the seal is more reliable. Because it is a spherical seal, the valve is smooth and excessive when it is opened and closed, so the friction is reduced and the torque is reduced. A low-power drive device can be used, thereby reducing the cost of the user. At the same time, the service life of the valve seat is increased (3-4 times that of the ordinary center line valve).
4. The sealing surface of the valve seat flange adopts the structure of large wide side and large arc, so that the valve can fully meet the requirements of the sleeve type or welded flange connection, and is suitable for connection with any standard flange.
5, the valve stem axial positioning device, using two gaskets plus a pair of open loop and spring collar structure. This can also effectively prevent the valve stem from being unintentionally disassembled, and at the same time can carry a certain axial force to prevent the weight of the valve stem from being transmitted to the disc.
6. The valve stem seal ring has a two-way sealing function, which prevents the intrusion of foreign matter and prevents the medium from flowing out.
7. The bushing not only plays the role of supporting the valve stem, but also reduces the opening and closing torque. There are currently two types of bushings available for users to choose from: lubricated bronze and PTFE.
8. Since the valve body itself replaces the backrest of the ordinary valve seat, the overall strength of the valve is increased, so that it can reach the nominal pressure of 20 kg which cannot be achieved by the ordinary midline butterfly valve.
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Line butterfly valve special function in high performance anti-corrosion series
Line butterfly valve special role in high performance anti-corrosion series