Yamada - NDP 20 Pump

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.

Features:

• 28.0 Gallons/Minute Max.
• 3/4" 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: 0.143 gallons (539 cc)
• Maximum Cycles Per Minute
  • Rubber diaphragm: 195
  • PTFE diaphragm: 195
• Maximum Size Solid - 1/16" (2.0 mm)
• Maximum Dry Suction Lift - Rubber-fitted pump capability: 18-feet
• Air Motor - Standard: Aluminum
• Optional Coatings - Teflon®-coated