The difference between DOP air supply outlets and ordinary air supply outlets
\nDOP supply air outlet is a high-efficiency filtering supply air outlet equipped with DOP detection and liquid tank sealing. It is used in cleanrooms. Ordinary supply air outlets only serve the function of distributing air and do not have the functions of high-efficiency filtration and leak detection. They are used in ordinary air conditioning environments.
\n1. Core Definition
\nDOP supply air outlet (liquid tank type high-efficiency supply air outlet): A terminal device integrating static pressure box + liquid tank sealing high-efficiency filter + diffuser plate + DOP detection port. It can perform DOP\/PAO leak detection on the filter on-site to ensure no leakage. It is commonly used in high-cleanliness environments such as pharmaceuticals, electronics, and healthcare.<\/p>\n
![\"\"](\"https:\/\/www.bacintl.com\/wp-content\/uploads\/2026\/05\/DOP\u6db2\u69fd\u9ad8\u6548\u9001\u98ce\u53e31-350x350.jpg\")
\nCommon supply air outlet: Composed only of frame + louvers \/ diffusers, with a maximum of primary \/ secondary filters, without high-efficiency filtration, without leak detection ports, and without strict sealing. It is used for comfort air conditioning in offices, shopping malls, residences, etc.<\/p>\n
![\"\"](\"https:\/\/www.bacintl.com\/wp-content\/uploads\/2026\/05\/\u666e\u901a\u9ad8\u6548\u9001\u98ce\u53e31-350x350.jpg\")
<\/p>\n
II. Key Differences (Item-by-item Comparison)
\n1. Filtration Capacity
\nDOP Supply Air Outlet: Built-in H14\/U15 high-efficiency filter, with a filtration efficiency of \u2265 99.99% for 0.3\u03bcm particles, capable of intercepting bacteria and dust, achieving a cleanliness level of hundreds or thousands of grades.
\nOrdinary Supply Air Outlet: Equipped with primary (G1\u2013G4) \/ secondary (F5\u2013F9) filters or without filter, only capable of blocking large particles, with an efficiency of 20%\u201390%, unable to control microorganisms and dust.
\n2. Sealing and Leak Detection (The Most Critical Difference)
\nDOP Supply Air Outlet: Liquid\u69fd sealed (the filter frame is immersed in the sealing rubber slot)\uff0c zero leakage\uff1b equipped with DOP dust emission port + detection port\uff0c allowing on-site scanning for leak detection\uff0c in line with GMP \/ aseptic requirements.
\nOrdinary Supply Air Outlet\uff1a Ordinary rubber strips or without sealing\uff0c with frame leakage\uff1b without leak detection interface\uff0c unable to verify the sealing and filtration integrity.
\n3. Structure and Materials
\nDOP Supply Air Outlet\uff1a Welded with cold-rolled steel \/ 304 stainless steel\uff0c fully sealed treatment\uff1b includes static pressure box\uff0c valve\uff0c differential pressure detection\uff0c quick disassembly structure\uff0c with a box body that is thicker (approximately 500\u00d7500\u00d7250mm).
\nOrdinary Supply Air Outlet\uff1a Galvanized sheet \/ aluminum alloy \/ plastic\uff0c simple and lightweight structure\uff1b only panel + blades\uff0c without static pressure box\uff0c relying on the air duct for direct air supply.
\n4. Application Scenarios
\nDOP Supply Air Outlet\uff1a Pharmaceutical GMP workshops\uff0c operating rooms\uff0c electronic clean rooms\uff0c biological safety laboratories\uff0c etc.\uff0c within ISO 1\u20138 cleanliness zones.
\nOrdinary Supply Air Outlet\uff1a Office buildings\uff0c shopping malls\uff0c residences\uff0c restaurants\uff0c etc.\uff0c comfort air conditioning places without cleanliness requirements.
\n5. Cost and Maintenance
\nDOP Supply Air Outlet\uff1a High price (thousands of yuan)\uff1b filter replacement every 6\u201312 months\uff0c requiring professional leak detection and maintenance.
\nOrdinary Supply Air Outlet\uff1a Low price (several tens to several hundred yuan)\uff1b filter can be cleaned or simply replaced\uff0c maintenance is simple.<\/p>","protected":false},"excerpt":{"rendered":"
The difference between DOP air supply outlets and ordinary air supply outlets DOP supply air outlet is a high-efficiency filtering supply air outlet equipped with DOP detection and liquid tank sealing. It is used in cleanrooms. Ordinary supply air outlets only serve the function of distributing air and do not have the functions of high-efficiency […]<\/p>","protected":false},"author":3,"featured_media":5050,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-5397","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-technology"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/posts\/5397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/comments?post=5397"}],"version-history":[{"count":1,"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/posts\/5397\/revisions"}],"predecessor-version":[{"id":5400,"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/posts\/5397\/revisions\/5400"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/media\/5050"}],"wp:attachment":[{"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/media?parent=5397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/categories?post=5397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bacintl.com\/es\/wp-json\/wp\/v2\/tags?post=5397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}