{"id":3282,"date":"2016-11-18T14:13:18","date_gmt":"2016-11-18T19:13:18","guid":{"rendered":"http:\/\/www.pdblowers.com\/product\/409-roots%c2%99-ram%c2%99-whispair%c2%99-rotary-positive-blower\/"},"modified":"2023-12-12T13:46:35","modified_gmt":"2023-12-12T18:46:35","slug":"409-roots-ram-whispair-rotary-positive-blower","status":"publish","type":"product","link":"https:\/\/www.pdblowers.com\/product\/409-roots-ram-whispair-rotary-positive-blower\/","title":{"rendered":"409 ROOTS&trade; RAM&trade; WHISPAIR&trade; Rotary Positive Blower"},"content":{"rendered":"<p>Flow Range: to 900 CFM<br \/>\nMax \u0394 Pressure: 18 psi<br \/>\nMax \u0394 Vacuum: 16&#8243; Hg<br \/>\nMaximum RPM: 4000<br \/>\nMinimum RPM: 850<br \/>\nMax \u0394T: 240\u02daF<br \/>\nConnection: 5&#8243; FPT<br \/>\nShaft Dia.: 1.5&#8243;<br \/>\nDrive End Lubrication: Oil<br \/>\nGear End Lubrication: Oil<br \/>\nRequired Oil for Horizontal Unit: 55 ounces<br \/>\nRequired Oil for Vertical Unit: 27 ounces<br \/>\nUnit Weight: 350 pounds (159.1 kg)<br \/>\nShipping Container: Skid<\/p>\n<p><strong>Plugged Impellers<\/strong><br \/>\nIn certain applications, such as pneumatic conveying, plugged impellers may be needed to keep material from building up in the rotor and creating an imbalance. RAM, RCS, and RAS units can be supplied with plugged impellers with additional cost and lead time. <a href=\"\/contact\/\"><u>Contact us<\/u> to discuss your application with one of our professional application engineers.<\/a><\/p>\n\n","protected":false},"excerpt":{"rendered":"[message_string post=\"Roots_delay\"]\n[message_string post=\"Build_America_Buy_America\"]\n","protected":false},"featured_media":12149,"template":"","meta":{"_acf_changed":false},"product_cat":[101],"product_tag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>409 ROOTS&trade; RAM&trade; WHISPAIR&trade; Rotary Positive Blower | pdblowers, Inc.<\/title>\n<meta name=\"description\" content=\"The largest inventory of Roots blowers, vacuum pumps and accessories like valves, gauges, filters, silencers &amp; more. 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