Yamada AOD / Air Operated Diaphragm Pump 166 GPM Maximum Capacity  --  2" Port Size Port Dimensions Intake & Discharge Connection Aluminum(ADC-12): 2" ANSI Flange B16.5 #150 (with tapped 2" Female NPT) Air Inlet 3/4" Female NPT (includes ball valve) Air Exhaust 1" Female NPT (includes silencer) Maximum Liquid Temperature Diaphragm Material / Temperature Neoprene: 180°F (82°C)

Maximum Size Solid 5/16" (8 mm) Maximum Dry Suction Lift Rubber-fitted pump capability: 19-feet Discharge Volume Per Cycle Rubber diaphragm: 1.12 gallons (4.25 liters) PTFE diaphragm: 0.69 gallons (2.61 liters) Maximum Cycles Per Minute Rubber diaphragm: 146 PTFE diaphragm: 220