{"id":140,"date":"2026-07-12T21:26:35","date_gmt":"2026-07-12T13:26:35","guid":{"rendered":"https:\/\/themebb.com\/en\/archives\/140"},"modified":"2026-07-12T21:26:35","modified_gmt":"2026-07-12T13:26:35","slug":"does-oil-free-air-compressor-need-drainage","status":"publish","type":"post","link":"https:\/\/themebb.com\/en\/archives\/140","title":{"rendered":"Does Oil Free Air Compressor Need Drainage?"},"content":{"rendered":"<p>Oil Free air compressor although lubricating oil is not used to participate in the compression chamber work<strong>regular drainage is still required.<\/strong>. This is because during the compression process, the water vapor in the ambient air will condense into liquid water in the cooling stage and accumulate at the low point of the gas storage tank, condensate separator and pipeline.<\/p>\n<h2>Why does condensate produce?<\/h2>\n<p>No matter whether it is oily or not, as long as the air is compressed and cooled, it will follow the principle of &#8220;dew point&#8221;-high temperature and high humidity air will be compressed and heated, and then cooled by the aftercooler, the relative humidity quickly reaches 100%, and the excess water condenses into liquid water.<\/p>\n<h2>What are the risks caused by undrained water?<\/h2>\n<ul>\n<li>Accelerated gas tank inner wall corrosion (especially carbon steel tank)<\/li>\n<li>cause damage to internal water accumulation of pneumatic tools, valves or precision equipment<\/li>\n<li>breeding microorganisms and polluting gas sources (especially for medical, food and electronics industries)<\/li>\n<li>reduce system pressure stability and gas quality<\/li>\n<\/ul>\n<h2>how to drain water scientifically?<\/h2>\n<p>It is recommended to manually open the drain valve at the bottom of the air storage tank and drain it once a day. If it is equipped with automatic drainer (such as floating ball type or electronic timing type), the operation reliability and the smoothness of the drain outlet should be checked regularly. In high humidity environment, the drainage frequency needs to be increased accordingly.<\/p>\n<p> Condensate accumulation area gas tank<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oil Free air compressor although there is no lubricating oil, condensate water is still generated due to air compression and cooling. It must be drained regularly, otherwise it is easy to cause corrosion, equipment damage and air source pollution. This article explains in detail the principle of water production, the necessity of drainage and practical suggestions.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","zob_sync_key":"zsync_36487d192dbc9743b974c5ca","zob_sync_source_post_type":"post","zob_sync_lang":"en-US","zob_sync_source_url":"https:\/\/themebb.com\/blog\/archives\/204.html","zob_sync_key_version":"v1","zob_sync_source_blog_id":"1","zob_sync_source_post_id":"204"},"categories":[23],"tags":[],"class_list":["post-140","post","type-post","status-publish","format-standard","hentry","category-haha"],"_links":{"self":[{"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/posts\/140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/comments?post=140"}],"version-history":[{"count":0,"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/posts\/140\/revisions"}],"wp:attachment":[{"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/media?parent=140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/categories?post=140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/themebb.com\/en\/wp-json\/wp\/v2\/tags?post=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}