3. Features:

• Pneumatic butterfly valve, is in the introduction of foreign advanced technology on the basis of special design, carefully manufactured products.
• Butterfly valve with travel limit switch, solenoid valve, triplet and 0.4-0.7MPa air source can realize switching operation, and send two pairs of passive contact signals to indicate the switch of the valve.
• Using intelligent control and positioning, with domestic electrical valve positioner, input 4-20mADC signal and 0.4-0.7MPa air source can achieve intelligent control, to achieve the adjustment of pressure, flow, temperature, liquid level and other parameters.
• Powered by compressed air, and the valve stem drives the spool to rotate 90 ° C in the valve body, which can realize the fully open - fully closed action.
• Product is divided into metal seal and soft seal according to its sealing performance.
• Advantages of compact structure, small size, reliable operation, good sealing, easy maintenance, convenient installation and strong adaptability.