The working principle of globe valve

The working principle of globe valve

Thread fitting consists of a sealing ring, a connecting part and a used to connect the pipe union nut, therefore, described in the sealing ring is designed to have one or more of the knife blade ring.By putting the union nut twist to the connection part, can make the hole knife inserted into the connection part of the cavity, the hole cavity with a conical surface.The outside of the sealing ring at the side of the nut has a circular reinforcement.Described in the annular reinforcement in its department toward the small ring at the transition zone formed a torus.Described formed by strengthening part of the cutting ring ring faces to the slope of the pipe axis to 45 ° to 90 °.When fully assembled, annular axial length of reinforcement as to set it on the surface of the ring heat transfer element to its negative image structure or its transfer to the connection part of the face.Heat transfer element with three dimensional shape, the outline of its negative image can be transfer to the connection parts on the surface.With the method of similar to die, pressure from the assembly will be negative as imprinted onto the surface of the connection part.

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