Product Description
The Yamada® NDP-20 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 28 gallons per minute. Pumps are available in aluminum, stainless steel (316), and polypropylene construction, with a wide variety of diaphragm materials.
Product Features
- Gallons/Minute Maximum:
- Fluid Port (NPT or ANSI Flange):
- Intake & Discharge Connections:
- Polypropylene (PPG): 3/4" Female NPT or 3/4" ANSI Flange B16.5 #150
- Aluminum (ADC-12): 3/4" Female NPT
- Stainless Steel (316): 3/4" Female NPT
- Air Inlet:
- 1/4" Female NPT (includes ball valve)
- Air Exhaust:
- 3/4" Female NPT (includes silencer)
- Maximum Liquid Temperature (Diaphragm Material / Temperature):
- Neoprene: 180°F (82°C)
- Buna N: 180°F (82°C)
- EPDM: 212°F (100°C)
- Hytrel® (TPE) 248°F (120°C)
- Santoprene® (TPO) 212°F (100°C)
- Viton® fluoroelastomer 248°F (120°C)
- Teflon® (PTFE) 212°F (100°C)
- Air Supply Pressure (All Models):
- 20 to 100 PSI (1.4 to 7 kgf/cm²)
- Discharge Volume Per Cycle:
- Rubber diaphragm: 0.163 gallons (615 cc)
- PTFE diaphragm:
- Maximum Cycles Per Minute:
- Rubber diaphragm: 195
- PTFE diaphragm: 195
- Maximum Size Solid:
- Maximum Dry Suction Lift - Rubber-fitted pump capability:
- Standard Air Motor:
- Optional Coatings: