Composite material special-shaped air pipe check valve for circular gas pipeline
A composite material and gas pipeline technology, applied in the field of check valves, can solve the problems of long perimeter, bulky, and high torque required for opening and closing of sealing limit baffles, so as to improve operation safety and stability, reduce manufacturing costs, Create quick and easy effects
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[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0030] see Figure 1-4 , the present invention provides a technical solution:
[0031] A composite material special-shaped air duct check valve for circular gas pipelines, including a check valve body 2, the check valve body 2 includes a circular valve body part 1 and a square valve body part 6, that is, the upper half is The lower half of the square is a circular structure, such as figure 1 As shown, the inner side of the check valve body 2 is provided with an u...
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