“QUICK DUMPS” – END OF THE ICE AGE

quick dump aroFollowing closely on the heels of pump stall-out is the infamous freezing problem inherent in most diaphragm pumps. At Aro, the ice age has been over since the introduction of our unique, enlarged “Quick Dump” ™ patented air exhaust valve, which diverts air exhaust from critical, ice-prone passages. Available on the Aro EXP 1″, 1-1/2″, 2″, and 3″ models.

When the main valve opens and pressurizes the diaphragm air chamber, the Quick Dump operates like a normal air passage and admits air into the diaphragm’s air chamber.


quick dump aroWhen the main valve is ready to exhaust, the Quick Dump diverts all of the cold/wet exhaust air coming from the diaphragm air chamber away from the main air valve, avoiding ice formation in the critcal valve passages.

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