Yamada AOD / Air Operated Diaphragm Pump Port Dimensions Intake & Discharge Connection Aluminum (ADC-12): 3/4"  Air Inlet 1/4" Female NPT Air Exhaust 3/4" Female NPT Maximum Liquid Temperature Diaphragm Material/Temperature Teflon® (PTFE) 212°F (100°C)

(31.7 GPM Max.) Maximum Size Solid 1/16" (2.0 mm) Maximum Dry Suction Lift Rubber-fitted pump capability: 18-feet Air Supply Pressure (All Models) 20–100 PSI (1.4–7 kfg /cm) Discharge Volume Per Cycle Rubber diaphragm: 0.163 gallons (615 cc) PTFE diaphragm: 0.143 gallons (539 cc)