{"id":4079,"date":"2026-03-20T16:41:14","date_gmt":"2026-03-20T15:41:14","guid":{"rendered":"https:\/\/gemmecotti.com\/shop\/?post_type=product&#038;p=4079"},"modified":"2026-03-20T17:43:21","modified_gmt":"2026-03-20T16:43:21","slug":"diaphragm-seal-pressure-gauge","status":"publish","type":"product","link":"https:\/\/gemmecotti.com\/shop\/en\/prodotto\/diaphragm-seal-pressure-gauge\/","title":{"rendered":"DIAPHRAGM SEAL PRESSURE GAUGE"},"content":{"rendered":"<p data-path-to-node=\"1\">GemmeCotti offers <b data-path-to-node=\"1\" data-index-in-node=\"18\">diaphragm seal pressure gauges<\/b> made of thermoplastic materials (<b data-path-to-node=\"1\" data-index-in-node=\"82\">PP and PVDF<\/b>), specifically designed to isolate and protect measuring instruments from aggressive process fluids. These closed systems, consisting of a diaphragm and a pressure gauge connected by a sealing liquid, represent an extremely safe and accurate solution for pressure monitoring in critical environments.<\/p>\n<p data-path-to-node=\"2\">To meet different operational and chemical requirements, the seals are available in two main configurations:<\/p>\n<ul data-path-to-node=\"3\">\n<li>\n<p data-path-to-node=\"3,0,0\"><b data-path-to-node=\"3,0,0\" data-index-in-node=\"0\">Polypropylene (PP):<\/b> A versatile and cost-effective choice for standard industrial applications at moderate temperatures (up to <b data-path-to-node=\"3,0,0\" data-index-in-node=\"127\">60-70\u00b0C<\/b>). It is resistant to substances such as phosphoric acid, sulphuric acid (under certain conditions), ferric chloride, citric acid, liquid ammonia, and caustic soda.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,1,0\"><b data-path-to-node=\"3,1,0\" data-index-in-node=\"0\">PVDF:<\/b> Ideal for those requiring maximum purity and superior thermal resistance (up to <b data-path-to-node=\"3,1,0\" data-index-in-node=\"86\">90\u00b0C<\/b>). This material guarantees exceptional performance with strong acids, solvents, and highly corrosive fluids such as hydrochloric acid, nitric acid, hydrogen peroxide, acetic acid, and potassium hydroxide.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Diaphragm seal pressure gauges<\/p>\n","protected":false},"featured_media":4081,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[126],"product_tag":[],"class_list":{"0":"post-4079","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"accessorio-diaphragm-seal-pressure-gauges","7":"product_cat-accessories","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DIAPHRAGM SEAL PRESSURE GAUGE - Gemmecotti shop<\/title>\n<meta name=\"description\" content=\"GemmeCotti diaphragm seal pressure gauges in PP and PVDF: the safe solution for measuring the pressure of corrosive and aggressive fluids without risks.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gemmecotti.com\/shop\/en\/prodotto\/diaphragm-seal-pressure-gauge\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DIAPHRAGM SEAL PRESSURE GAUGE - 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