YAMADA NDP-20BPN-PP AIR OPERATED DOUBLE DIAPHRAGM PUMP 854095 GENERAL INFORMATION. AIR OPERATED DOUBLE DIAPHRAGM PUMP. FLUID PORT: 3/4 NPT. EXHAUST: 3/4 FEMALE NPT. INLET: 3/8 FEMALE NPT. SUPPLY PRESSURE: 20…100 psi. Learn more about what we do. The item “YAMADA NDP-20BPN-PP AIR OPERATED DOUBLE DIAPHRAGM PUMP 854095 #281239″ is in sale since Tuesday, August 18, 2020. This item is in the category “Business & Industrial\Industrial Automation & Motion Controls\Drives & Starters\Drives & Motor Controls\Other Motor Controls”. The seller is “automationrecovery” and is located in Clinton Township, Michigan. This item can be shipped worldwide.