Yamada® NDP-40 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 116 gallons per minute. Pumps are available in aluminum, stainless steel (316), cast iron, polypropylene, and Kynar construction, with a wide variety of diaphragm materials.
107.0 Gallons/Minute Max.
1-1/2" Fluid Port
(NPT or ANSI Flange)
Intake & Discharge Connections
Polypropylene (PPG): 1-1/2" ANSI Flange B16.5 #150
Kynar® (PVDF): 1-1/2" ANSI Flange B16.5 #150
Aluminum (ADC-12): 1-1/2" ANSI Flange B16.5 #150 (with tapped 1-1/2" Female NPT)
Stainless Steel (316): 1-1/2" ANSI Flange B16.5 #150 or 1-1/2" Female NPT
Cast Iron: 1-1/2" Female NPT
Air Inlet
1/2" Female NPT (includes ball valve)
Air Exhaust
3/4" Female NPT (includes silencer)
Maximum Liquid Temperature*
Diaphragm Material / Temperature
Buna N: 180°F (82°C)
Neoprene: 180°F (82°C)
Santoprene® (TPO) 180°F (82°C)
EPDM: 212°F (100°C)
PTFE 212°F (100°C)
Hytrel® (TPE) 248°F (120°C)
Viton® fluoroelastomer 248°F (120°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 kgf/cm²)
Discharge Volume Per Cycle
Rubber diaphragm: 0.79 gallons (3.0 liters)
PTFE diaphragm: 0.37 gallons (1.4 liters)
Maximum Cycles Per Minute
Rubber diaphragm: 148
PTFE diaphragm: 270
Maximum Size Solid
9/32" (7 mm)
Maximum Dry Suction Lift
Rubber-fitted pump capability: 18-feet
Air Motor
Standard: Aluminum
Optional Coating
PTFE-coated
Weight and Dimensions
Dimensions: 16.18" W x 27.91" H
Net Weight: 68 lbs. (28.9 kg)
Shipping Weight: 75 lbs.
Tapped with 1-1/2" NPT ANSI flange
Dimensions: 15.75" W x 29.61" H
Net Weight: 70 lbs. (29.9 kg)
Shipping Weight: 78 lbs.
Dimensions: 15.75" W x 29.61" H
Net Weight: 70 lbs. (29.9 kg)
Shipping Weight: 78 lbs.
Dimensions: 16.18" W x 27.75" H
Net Weight: 112 lbs. (59.8 kg)
Shipping Weight: 120 lbs.
Dimensions: 16.18" W x 27.75" H
Net Weight: 98 lbs. (39.9 kg)
Shipping Weight: 106 lbs.
Notes
All Polypropylene, Aluminum, Cast Iron, and SS Hytrel®-fitted pumps include Hytrel® check balls and Buna N wetted o‑rings. Santoprene®-fitted pumps include Santoprene® check balls and EPDM wetted o‑rings.
Kynar® (PVDF) pumps fitted with Santoprene®, Hytrel®, or PTFE include PTFE check balls and o‑rings. Kynar®/EPDM fitted pumps include EPDM check balls and o‑rings. Viton® fitted pumps include Viton® check balls and o‑rings.
:: NDP-40 Literature
NDP-40 Data Sheet
NDP-40 Bill of Materials
:: NDP-40 Maintenance Manuals
:: NDP-40 CAD Drawings
NDP-40 Aluminum
NDP-40 Cast Iron, NPT
NDP-40 Kynar®, Flange
NDP-40 Polypropylene, Flange
NDP-40 Stainless Steel, Flange
NDP-40 Stainless Steel, NPT
:: NDP-40 3D CAD Drawings
EPRT Format
NDP-40 Aluminum
NDP-40 Cast Iron
NDP-40 Kynar®
NDP-40 Polypropylene
NDP-40 Stainless Steel Flange
NDP-40 Stainless Steel NPT
IGS Format
NDP-40 Aluminum
NDP-40 Cast Iron
NDP-40 Kynar®
NDP-40 Polypropylene
NDP-40 Stainless Steel Flange
NDP-40 Stainless Steel NPT
:: NDP-40 Performance Curves
:: NDP-40 Bill of Materials
:: NDP-40 Model Nomenclature
Yamada® is a registered trademark of Yamada America, Inc. Hytrel® is a registered trademark of E.I. du Pont de Nemours and Company. Santoprene® is a registered trademark of Advanced Elastomer Systems. Viton® is a registered trademark of DuPont Performance Elastomers. Due to Yamada's continued commitment to product improvement, specifications may change without notice.