Air Special Double Diaphragm Pump. Max Working Pressure: 120 Psi 8.3Bar. Buyers outside UK mainland please contact for posting price. The item “IR Ingersoll Rand Air Special Double Diaphragm Pump 66617B-444-C 120 Psi 8.3Bar” is in sale since Monday, September 7, 2020. This item is in the category “Business, Office & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps”. The seller is “woods-group-devon” and is located in crediton, Devon. This item can be shipped worldwide.