2007 Master Catalog - (Page 197) LIVE CHAT! Click Here Adjustable, Dirt Tolerant Venturi Vacuum Pumps Ideal Applications Ideal for dirty, dusty environments; the VDF holds porous materials securely: • Pick and place • Vacuum filling – Liquids and powders • Vacuum packaging – Coated materials • Bag/box opening • Material handling Adjustable, Dirt Tolerant Venturi Vacuum Pumps VDF Series VDF-375-ST8B picks and places refrac bricks used to line refractory ovens. Features/Benefits • Adjustable vacuum level or flow rate: ~ Powerful vacuum up to 25"Hg [847mbar] ~ High flow rates up to 120 SCFM [3398 lpm] • Energy efficient – customer controlled – high performance to air consumption ratio • Safe Operation: ~ No electricity needed at the pump ~ No heat generated • Reliable, trouble-free operation ~ Straight-through design, non-clogging ~ No moving parts to wear ~ No flap valves to stick open ~ No maintenance ~ No downtime VDF 150-ST4 Standard Pump: The VDF Series is a unique Vaccon innovation that places the vacuum port and exhaust path inline making a straight-through venturi vacuum pump. These compact pumps offer high flow rates up to 120 SCFM [3400 LPM] and high vacuum levels up to 25"Hg [847mbar]. Developed for extremely dirty and dusty environments such as foundries, refractory and bagging operations, VDF pumps don’t clog, lose suction or require a vacuum filter. VDF pumps are field-adjustable allowing you to regulate the vacuum flow and vacuum level to meet your application requirements. This maximizes energy efficiency by consuming only the compressed air necessary to do the job. A pressure regulator is not required as the pump can be tuned to operate at any pressure above 50 PSI [3.5 BAR]. For the same reliable operation but with a fixed orifice, see the FDF Series on page 205. Pump Options: • ST Silencers – straight through silencers won’t clog • G port threads for metric machines – an “I” prefix designates products with metric threads • Choice of operating pressures: operates at any pressure above 50 PSI [3.5 BAR] • For chemical compatibility requirements, high temperature, food, medical and caustic applications, custom materials are available including stainless ™ steel, PEEK, Delrin, Teflon,™ PVC. Principles of Operation: Changing the annular gap between the venturi nozzle and the diffuser varies the performance of the VDF pump. Rotating the diffuser section counter clockwise enlarges the opening, allowing more compressed air to flow through the pump and thereby increasing both the vacuum flow and the vacuum level. Likewise, rotating the diffuser section clockwise reduces the opening, allowing less compressed air to flow through the pump and thereby decreasing both the vacuum flow and the vacuum level. The result is a variable vacuum pump— adjustable to meet your exact application requirements. Air Supply Vacuum Exhaust Rotate Eliminate the Guesswork: Contact Us! Vacuum technology isn’t an exact science. To ensure proper product selection, Vaccon offers free application engineering assistance, a 30 Day Test & Evaluation Program or you can send sample products to our in-house test facility and we will test and size a pump for you. To download a complete set of drawings in 13 different CAD formats, please visit our website at www.vaccon.com For more information or technical assistance, please call 508-359-7200 or 800-848-8788 or email engineering@vaccon.com Phone: 1-800-848-8788 or 508-359-7200 E-Mail: engineering@vaccon.com 197 Vacuum Pumps - Dirt Tolerant https://www.websitealive5.com/2126/rLogin.asp?groupid=2126&websiteid=0&departmentid=0&sessionid_=36&loginname=&loginemail=&loginquestion=&infocapture_ids=&infocapture_values=&dl http://www.vaccon.com http://www.vaccon.com
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