Dultmeier Sales will be closed Thursday, November 22nd and Friday, November 23rd in observance of Thanksgiving

Dultmeier Sales will be closed Tuesday, December 24th at 12pm and all day Wednesday, December 25th.
Normal operations will resume Thursday, December 26th. We wish you and your family a very Merry Christmas!

Dultmeier Sales will be closed Wednesday, January 1st in observance of
New Year's Day

Dultmeier Sales will be closed Thursday, July 4th and Friday, July 5th in observance of Independence Day.
Normal operations will resume Monday, July 8th. We wish you a happy 4th of July!!

We are experiencing some technical difficulties on dultmeier.com and apologize for any inconvenience.
If you are running into issues, please phone your order in to 1-888-677-5054

Remco Diaphragm Pump Troubleshooting | Video


Diaphragm pumps work by moving two large diaphragms back and forth to move a fluid. Each diaphragm has two sides, a wet end and a dry end. The dry end fills with air first, expelling liquid from the wet end. Then, the air flows into the other diaphragm, and the wet end of the first diaphragm fills with fluid again.