►NDP-50

 

Read below to learn more about Yamada’s NDP-50 port dimensions 

 

Intake & Discharge Connection: 

  • Polypropylene (PPG) 2″ ANSI B16.5 #150
     
  • Kynar (PVDF) 2″ ANSI B16.5 #150
     
  • Aluminum (ADC-12) 2″ ANSI B16.5 #150 (with tapped 2″ Female NPT)
     
  • Stainless Steel (316) 2″ ANSI B16.5 #150 or 2″ Female NPT
     
  • Hastelloy 2″ ANSI B16.5 #150 or 2″ Female NPT
     
  • Cast Iron 2″ Female NPT 

 

Flow and Head Capability: 5 -166GPM / up to 243′ TDH 

 

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: 248°F (120°C) 
  • Santoprene: 225°F (107°C) 
  • Viton: 248°F (120°C) 
  • Teflon: (PTFE) 212°F (100°C) 

*Polypropylene pumps have a maximum liquid temperature of 180°F (82°C) regardless of diaphragm material. Kynar pumps have a maximum temperature of 248°F (120°C) when fitted with Hytrel or Viton diaphragms. 

 

Air Supply Pressure (All Models): 20 to 100 PSI (1.4 to 7 kfg/cm) 

 

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: Epoxy-coated, Teflon-coated, or Electroless Nickel Plate 

 

All Polypropylene, Aluminum, Cast Iron, Hastelloy, and SS Hytrel fitted pumps include Buna N check balls & o-rings and Santoprene fitted pumps include EPDM check balls & wetted o-rings. Kynar (PVDF) pumps fitted with Santoprene, Hytrel, or Teflon include Teflon check balls & o-rings. Kynar/EPDM fitted pumps include EPDM check balls & o-rings and Viton fitted include Viton balls & o-rings.