【Haichuan Equipment Guessing Game】This valve is really strange – why is its end face tilted?

2026-02-15View Original

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The 【Haichuan Equipment Guessing】 series will continue to be updated in 2027 – all Haichuan fans are welcome to participate actively! https://bbs.hcbbs.com/thread-2079686-1-1.html (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))

Reply #22026-02-15

Summary post on industrial corrosion and protection: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713774 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))

Reply #32026-02-15

【HaiChuan Chemical Technology Documentation】Failure analysis of early failure in 316L stainless steel chimneys at a foreign company https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713792 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))

Reply #42026-02-15

【Haichuan Spring Festival Tea House】Old items seen when returning to one’s hometown – do you recognize them? (52) Valuing antique items that only others possess https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713794 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))

Reply #52026-02-15

[Common Issues in Haichuan Pipeline Design] – A compilation post; images and text are being updated. Feel free to join the discussion: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705828 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))

Reply #62026-02-16

【Ten Years of Rapid Development in Chemical Equipment】The largest carbonate production complex in China, operated by Fujian Baihong Chemical with a capacity of 410,000 tons per year, was successfully commissioned for the first time. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713477 (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))

Reply #72026-02-17

【Haichuan Spring Festival Tea House: Spending Money for Good Luck】On the first day of the New Year, unlock good luck for the whole year! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713837 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))

Reply #82026-02-17

【HaiChuan Safety Discussion】Compilation of Hidden Dangers Around Us – with pictures and texts; everyone is welcome to participate in the discussion: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5705518 (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))

Reply #92026-02-18

【Ten Years of Rapid Development in Chemical Equipment】From 2015 to 2026, Yihua will build China’s first project that converts hydrogen sulfide waste gas generated in coal chemical processes into dimethyl sulfoxide of high added value. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713557 (Source: Haichuan Chemical Forum (HCBBS))

Reply #102026-02-19

【Haichuan Spring Festival Tea House: Spending Money】On the third day of the Lunar New Year, it’s time to enjoy the festivities in a happy mood! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713911 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))

Reply #112026-02-21

【HaiChuan Spring Festival Tea House: Spending Money】On the fifth day of the New Year, five blessings arrive. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713962 (Source: HaiChuan Chemicals Forum (HuaHaiChuanLiu hcbbs))

Reply #122026-02-22

【Haichuan Spring Festival Tea House: Spending Money】Happy and joyful on the sixth day of the New Year! ! ! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5714003 (Source: Haichuan Chemical Industry Forum (Hua Haichuan Liu hcbbs))

Reply #132026-02-22

【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2017 to 2026, China developed and put into operation the world’s first zero-carbon, regenerative natural gas pressure difference power generation system. https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5713875 (Source: Haichuan Chemical Industry Forum (HCBBS))

Reply #142026-02-22

Reply #152026-02-23

【Haichuan Spring Festival Tea House: Spending Money】On the seventh day of the New Year, may everything go well! ! ! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=5714042 (Source: Haichuan Chemical Industry Forum (Hua Hai Chuan Liu hcbbs))

Reply #162026-02-25

What kind of valve is this? I can’t figure it out! :L

Reply #172026-02-25

Inclined-hole oil well high-pressure pumping blowout preventer check valve PXH44H

Reply #182026-02-26

The swash plate check valve can effectively reduce the check valve water hammer phenomenon

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【Haichuan Equipment Guessing Game】This valve is really strange – why is its end face tilted?

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