Flange butterfly valve
Product Introduction
The flange butterfly valve has a simple structure and a small flow resistance coefficient. The traffic is trending towards a straight line and there will be no accumulation of debris. And it has the advantages of light weight, easy installation, and low driving torque. The midline soft sealed butterfly valve can be used for cutting off media and regulating the flow rate of media. The driving device can be manually, electrically, pneumatically, or hydraulically operated according to the user's requirements. By selecting parts made of different materials and using sealing rings made of different materials, it is possible to adapt to different media and working conditions, achieving better cost and performance results.
The flange butterfly valve adopts a midline structure, non eccentric design, and has significant low operating torque characteristics. The configuration of the actuator is economically significant. The rubber valve seat has good balance and support, effectively avoiding damage to the rubber caused by uneven force. When the valve is fully closed, the rubber is in a better compressed state to maintain zero leakage. The butterfly plate circular sealing surface is finely processed to achieve a high degree of smoothness, and the valve has a long service life due to the friction coefficient of the rubber valve seat. The rubber sealing surfaces of the two ports of the valve protrude from the flange surface, and no additional rubber sealing gaskets are required for valve installation in pipelines. The structure is simple, compact, lightweight, and easy to install and disassemble. Installed at any position, it can achieve bidirectional sealing.
选型参数
阀体
铸铁、球墨铸铁、铝不锈钢、CF8、CF8M、CF3M
阀板
不锈钢CF3M、CF3、CF8M、尼龙球墨铸铁、铝青铜、双不锈钢
阀座
NBR、EPDM、氟橡胶
阀杆
45# 416 SS304 SS316
尺寸
2“~40”DN50-DN2000
压力
1.0~1.6Mpa
连接方式
法兰
法兰标准
ASME Class 150 JIS 5K/10K
气动执行机构
双动单动常闭单动常开
附件
电磁阀、限位开关盒、过滤器、E/P定位器、手轮












