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Sealing performance of custom cut-off ball valves
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Zhejiang Lasen 2021 Advanced Staff Comme...
On May 14th, 2022, Zhejiang Lasen Intelligent Equipment Co., Ltd. held the 2021 Advanced Staff Comme...
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Essence and advantages of ball valve
In essence, the ball valve is a quarter turn rotary valve, that is, rotate it 90 degrees to fully op...
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Surface hardening treatment of multi-lev...
The sealing surface of the multi-level hard sealing butterfly valve is made of superhard material or...
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