A metal hard-sealed spherical valve
A spherical valve, hard seal technology, applied in the direction of shaft seal, valve details, valve device, etc., can solve the problem of large installation space, etc., and achieve the effect of uniform wear, simple structure and small valve cavity volume
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Embodiment 1
[0032] figure 1 It is a structural schematic diagram of Embodiment 1 of a metal hard-sealed spherical valve of the present invention. In this embodiment, the metal-hard-sealed spherical valve mainly includes an inlet valve body 1, an outlet bonnet 2, a valve seat 3, and a spherical valve core 4. Spring seat 5, spring 6, valve core base 7, valve stem assembly 8, middle flange 9, packing assembly 10, packing gland 11, guide assembly 12.
[0033] In this embodiment, the inlet valve body 1 and the outlet valve cap 2 are connected by threaded fasteners and a valve chamber is formed inside the two, the valve core base 7 is arranged in the valve chamber, and a valve is provided on the side wall of the inlet valve body 1 Stem hole, the valve stem assembly 8 passes through the valve stem hole and is connected with the valve core base 7, wherein the end of the inlet valve body 1 away from the outlet bonnet 2 is provided with an inlet flow channel, the inlet flow channel and the valve ca...
Embodiment 2
[0046] figure 2 It is a structural schematic diagram of Embodiment 2 of a metal hard-sealed spherical valve of the present invention; image 3 for figure 2 Partial enlarged view of the sharp knife structure of the spherical valve core at A. In this embodiment, the metal hard-sealed spherical valve mainly includes an inlet valve body 1', an outlet valve cap 2', a valve seat 3', and a spherical valve core 4 ', spring seat 5', spring 6', valve core base 7', valve stem assembly 8', middle flange 9', packing assembly 10', packing gland 11', guide assembly 12'.
[0047] In this embodiment, the inlet valve body 1' is connected to the outlet valve cap 2' and a valve cavity is formed inside the two, the valve core base 7' is arranged in the valve cavity, and a valve stem is provided on the side wall of the inlet valve body 1' hole, the valve stem assembly 8' passes through the valve stem hole and is connected with the valve core base 7', wherein the end of the inlet valve body 1' f...
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