Best Price for Pneumatic Diaphragm Valve - Cast iron double flange butterfly valve – TWT Valve

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Can be equipped with a handle, worm gear, electric or pneumatic control device. Reduce the rotational torque, support the stem, and make it separate from the valve body effectively, reduce the wear of the valve stem. After polishing treatment, with the valve seat precision. To achieve zero leakage requirements of air tightness test. The opening and closing torque is small, prolong the service life of the valve seat. Stem seal is not easy to deform, thereby avoiding the usual stem leakage. The...


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Best Price for Pneumatic Diaphragm Valve - Cast iron double flange butterfly valve – TWT Valve Detail:

Can be equipped with a handle, worm gear, electric or pneumatic control device.
Reduce the rotational torque, support the stem, and make it separate from the valve body effectively, reduce the wear of the valve stem.
After polishing treatment, with the valve seat precision.
To achieve zero leakage requirements of air tightness test. The opening and closing torque is small, prolong the service life of the valve seat.
Stem seal is not easy to deform, thereby avoiding the usual stem leakage.
The utility model has the advantages of high precision and high strength, and is suitable for the installation of the handle and other control devices.
The utility model is characterized in that the valve rod and the valve plate are firmly connected with the valve plate, and the utility model has the characteristics of anti vibration and easy replacement.
High precision, high reliability, easy to control the opening and closing of the valve plate.
Good overall stability, stable, tensile, anti leakage.
Auxiliary shaft end leakage.

Device for regulating or cutting off medium in pipeline.
Suitable for handle control device (DN50~300), worm gear, electric and pneumatic control device.
Design and manufacturing standards in line with GB/T12238.
Pressure test conforms to GB/T13927.
Structure length is GB/T12221.
Side flange standard conforms to GB/T17241.6.
Fluid medium: water, oil, gas and various corrosive media
Using temperature: -10℃ ~ 150℃
Applicable pressure: PN1.0 ~ 1.6MPa
Applicable size: DN50 ~ DN1400
Connection: flange type
Connection standard: GB·ANSI·DIN·API·ISO·BS
Body life: 50 years


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Best Price for Pneumatic Diaphragm Valve -
 Cast iron double flange butterfly valve – TWT Valve detail pictures


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Our merchandise are commonly identified and dependable by end users and will meet continually altering financial and social desires for Best Price for Pneumatic Diaphragm Valve - Cast iron double flange butterfly valve – TWT Valve, The product will supply to all over the world, such as: France , Rotterdam , Portland , Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
  • Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Christina from Latvia - 2015.09.21 11:44
    The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Moira from Mauritania - 2015.02.12 14:52
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