High Performance Butterfly Control Valve
Product Name: High Performance Butterfly Control Valve
Key Features: Compenstaional Seat, Double Eccentric Structure
Size Range: 2 - 48 Inch, DN50-DN1200
Pressure Rating: Class 150 - 300 LB, PN10-PN40, 1.0 - 4.0 Mpa
Body Material: ASTM A216 WCB/WCC, ASTM A351 CF8/CF3/CF8M/CF3M
Seat Leakage: ANSI B16.104 Class VI
Rangeability: 30:1
Connection: Flange, Wafer
Temperature Range: -45℃ to 250℃
Flow Characteristic: Approximate Equal Percentage
The High-Performance Butterfly Valve features a double eccentric design, where the positioning of the valve shaft and disk connections causes the disk to follow a slightly eccentric path when opening. This design ensures that the disk moves out of contact with the seal as soon as it opens, minimizing friction and wear. Combined with a compensating seat design, this valve offers an extended service life and stable sealing performance. It provides excellent shutoff capabilities and corrosion protection while requiring minimal installation space.
Technical Specifications
Connection Standards:
Flange: JB/T 79.194 - JB/T 79.4-94 / HG 20616-97, ANSI B16.5, ANSI B16.47
Wafer: JB/T 79.1-94 - JB/T 79.4-94 / HG 20616-97, ANSI B16.5, ANSI B16.47
Actuator Options
Pneumatic Diaphragm Actuator
Electric Actuator
Electro-hydraulic Actuator
China Control Valve Zhejiang Co., Ltd. (https://www.cncontrol.cn/) boasts over thirty years of experience crafting top-notch control valves. Our dedication to meeting diverse engineering needs and accommodating various media types shines through in our adoption of multiple structural designs. Always staying ahead of the curve, we continuously integrate cutting-edge domestic and international technologies. This proactive stance has allowed us to forge a unique line of pneumatic, electric, and hydraulic valves.
