PDS高頻開關(guān)球閥閥桿填料密封設(shè)計(jì)

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中圖分類號：TQ315 文獻(xiàn)標(biāo)志碼：A 文章編號：2095-2945（2025）18-0129-04

Abstract：Thisarticledidresearchesonthestructure designofPDSballvalvestempackingbox intheproductionof polypropylene powderreactor，andanalyzedthegalingandleakageproblemsofPDSballvalvestempacking box.Bysimulating thevalvestrokingfrequencytestinactualworkingconditions，thestructureofPDSballvalvestempackingboxwasoptimized， and the sealing performance and service life of PDS ball valve stem packing box were improved.

Keywords：PDSballvalve; high-cycle stroking;valve packing box;galling;sealing performance;service life

PDS球閥的全稱是粉料排放系統(tǒng)（ProductsDis-chargeSystem）球閥。（剩余4145字）