Online maintainable axial flow check valve
A check valve and axial flow technology, applied in the field of check valves, can solve problems such as valve leakage, lack of precise guidance, and potential safety hazards, and achieve the effects of avoiding bending loads, ensuring sealing requirements, and improving reliability
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[0023] See figure 1 , figure 2 with image 3 The structure of the axial flow check valve that can be maintained online in this embodiment is: a top opening is provided on the top of the valve body 15, and the spool assembly 16 is placed in the valve body 15 at the top opening position, and is placed in the valve body 15 A valve cover 13 is provided on the top opening of 15 to close the valve body 15; the valve core assembly 16 is to suspend the valve core 5 on the valve core holder 11 using support ribs 9, and the valve core holder 11 is secured by the valve core fixing snap ring 14. At the top opening of the valve body 15.
[0024] In specific implementation, the corresponding structural forms also include:
[0025] The valve core assembly 16 includes a valve disc 1 supported at the front end of the valve core 5 by a valve stem 7 and a coil spring 3 sleeved on the outer periphery of the valve stem 7. A guide shaft 2, a valve stem 7 and a guide shaft are arranged in parallel with...
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