Air actuated butterfly valve with lug body design and spring return actuator or double acting actuator. Seals for use with air, water, oil and other media compatible with materials of construction. According to the sealing performance, pneumatic butterfly valve can be divided into metal seal and soft seal type Advantages pneumatic butterfly valve over other type valves may include: compactstructure, miniature size, long servise life, good sealing performance, easy maintenancequick detachable and installation.
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