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Hemisphere metal seal fixed ball valve
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Hemispherical metal sealing fixed ball valve with jacket
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A kind of limit anti-rotation fixing ball valve
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A kind of metal hard-sealing ball valve
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A kind of double isolation hard seal ball valves of high temperature
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A kind of Bidirectional hard seal floating ball valve
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A kind of metal sealing floating ball valve of jacketed
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It is a kind of can on-line maintenance upper dress formula fixing ball valve
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A kind of eccentric hard sealed ball valve
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A kind of HTHP fixing ball valve
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A kind of butterfly valve available for high pressure operating mode
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A kind of integral type HTHP seal ball-valve
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Rolling knife
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Ultra-low temperature ball valve
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Valve seat of fixed ball valve
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