{"id":3317,"date":"2026-07-23T11:55:49","date_gmt":"2026-07-23T03:55:49","guid":{"rendered":"https:\/\/www.et-valve.com\/?p=3317"},"modified":"2026-08-27T08:41:09","modified_gmt":"2026-08-27T00:41:09","slug":"wafer-expansion-butterfly-valve","status":"publish","type":"post","link":"https:\/\/www.et-valve.com\/fr\/butterfly-valve\/expansion-butterfly-valve\/wafer-expansion-butterfly-valve\/","title":{"rendered":"Papillon \u00e0 expansion wafer"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,169],"tags":[],"class_list":["post-3317","post","type-post","status-publish","format-standard","hentry","category-butterfly-valve","category-expansion-butterfly-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Wafer Expansion Butterfly Valve: Low Wear | ET VALVE<\/title>\n<meta name=\"description\" content=\"Wafer expansion butterfly valve uses an inflatable seat to seal on demand and release before opening, reducing wear in abrasive powders. 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