Yamada - NDP 50 Pump

The Yamada® NDP-50 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 166 gallons per minute. Pumps are available in aluminum, stainless steel (316), cast iron, polypropylene, and Kynar construction, with a wide variety of diaphragm materials.

Features:

• 166.0 Gallons/Minute Max.
• 2" Fluid Port (NPT or ANSI Flange)
• Intake & Discharge Connections
  • Polypropylene (PPG): 2" ANSI Flange B16.5 #150
  • Kynar® (PVDF): 2" ANSI Flange B16.5 #150
  • Aluminum (ADC-12): 2" ANSI Flange B16.5 #150 (with tapped 2" Female NPT)
  • Stainless Steel (316): 2" ANSI Flange B16.5 #150 or 2" Female NPT
  • Cast Iron: 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)
  • 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: 1.14 gallons (4.3 liters)
  • PTFE diaphragm: 0.55 gallons (2.1 liters)
• Maximum Cycles Per Minute
  • Rubber diaphragm: 146
  • PTFE diaphragm: 220
• Maximum Size Solid - 5/16" (8 mm)
• Maximum Dry Suction Lift - Rubber-fitted pump capability: 19-feet
• Air Motor - Standard: Aluminum
• Optional Coatings - Teflon^®