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Q21F threaded ball valve, which is a sphere with a circular channel for opening and closing parts, ball rotation with the stem of the valve opening and closing movement, opening and closing parts is a hole in the sphere around the rotation axis perpendicular to the channel, so as to achieve the purpose of opening and closing the channel.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, caliber. Specific please contact or online advisory contact.

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