Air Pneumatic Diaphragm Pump Aluminum 1-1/2 Flange Mount (NO TAG) Tested. Used pump, tested good. 4 Hole Flange 1/2 Holes. Hooks at top are broken. The item “Air Pneumatic Diaphragm Pump Aluminum 1-1/2 Flange Mount (NO TAG) Tested” is in sale since Monday, March 16, 2020. This item is in the category “Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps”. The seller is “arrowindustrialsurplus” and is located in Middlebury, Indiana. This item can be shipped worldwide.