Yamada® NDP-25/G25 Double Diaphragm Pump Series

1" Fluid Port

Engineered for excellence, the Yamada® NDP-25/G25 Double Diaphragm Pump Series features a 1" fluid port and superior chemical compatibility, delivering dependable operation even in the most demanding environments.

Yamada® NDP-25 Series AODD pumps provide a maximum flow rate of 46.2 gallons per minute. Pumps are available in aluminum, stainless steel (316), Kynar® (PVDF), groundable acetal, and polypropylene construction.


GENERAL PUMP INFORMATION:

46.2 Gallons/Minute (NDP-25)

40.1 Gallons/Minute (G25)

1" Fluid Port (NPT or ANSI Flange)

 

Intake & Discharge Connections:

Polypropylene (PPG)

1" Female NPT or 1" ANSI Flange B16.5 #150

Kynar® (PVDF)

1" Female NPT or 1" ANSI Flange B16.5 #150

Aluminum (ADC-12)

1" Female NPT

Stainless Steel

1" Female NPT

Cast Iron

1" Female NPT

Air Inlet

3/8" Female NPT (includes ball valve)

Air Exhaust

3/4" Female NPT (includes silencer)

 

Diaphragm Maximum Liquid Temperature:

N: Buna N 180°F (82°C)

C: Neoprene 180°F (82°C)

S: Santoprene®(TPO) 180°F (82°C)

E: EPDM 212°F (100°C)

T: PTFE 212°F (100°C)

H: Hytrel® (TPE) 248°F (120°C)

V: Viton® fluoroelastomer 248°F (120°C)

U: Ultimate 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 kgf/cm²)

Discharge Volume Per Cycle

Rubber diaphragm: 0.23 gallons (862 cc) (NDP) | 0.158 gallons (G25)
PTFE diaphragm: 0.17 gallons (654 cc) (NDP) | 0.118 gallons (G25)

Maximum Cycles Per Minute

Rubber diaphragm: 210 (NDP) 253 (G25)
PTFE diaphragm: 210 (NDP) 297 (G25)

Maximum Size Solid

1/8" (3 mm) 

Maximum Dry Suction Lift

Rubber-fitted pump capability: 18-feet

Air Motor

Aluminum - Metal Pumps
Plastic - Plastic Pumps

Optional Coating

PTFE-coated (NDP)

MATERIAL TYPES

:: Aluminum (NDP)

Dimensions:

11.30" W x 14.93" H

Net Weight:

28.7 lbs. (13 kg)

Shipping Weight:

33.7 lbs.

:: Aluminum-PP 

Dimensions:

11.30" W x 14.93" H

Net Weight:

24.3 lbs. (11 kg)

Shipping Weight:

29.3 lbs.

:: Polypropylene (ANSI flange)

Dimensions:

14.43" W x 17.38" H

Net Weight:

24.3 lbs. (11.0 kg)

Shipping Weight:

29.3 lbs.

:: Polypropylene-PP (ANSI flange)

Dimensions:

14.43" W x 17.83" H

Net Weight:

20.9 lbs. (9.5 kg)

Shipping Weight:

25.9 lbs.

:: Polypropylene (NPT)

Dimensions:

14.46" W x 16.91" H

Net Weight:

24.3 lbs. (11.0 kg)

Shipping Weight:

29.3 lbs.

:: Polypropylene-PP (NPT)

Dimensions:

14.47" W x 16.90" H

Net Weight:

20.9 lbs. (9.5 kg)

Shipping Weight:

25.9 lbs.

:: Kynar (PVDF) (ANSI flange)

Dimensions:

14.35" W x 17.30" H

Net Weight:

29.8 lbs. (13.5 kg)

Shipping Weight:

34.8 lbs.

:: Kynar-PN (PVDF) (ANSI flange)

Dimensions:

14.43" W x 17.30" H

Net Weight:

26.4 lbs. (12.0 kg)

Shipping Weight:

31.4 lbs.

:: Kynar (PVDF) (NPT)

Dimensions:

14.39" W x 16.91" H

Net Weight:

29.8 lbs. (13.5 kg)

Shipping Weight:

34.8 lbs.

:: Kynar-PN (PVDF) (NPT)

Dimensions:

14.41" W x 16.91" H

Net Weight:

26.4 lbs. (12.0 kg)

Shipping Weight:

31.4 lbs.

:: Stainless Steel

Dimensions:

11.06" W x 14.77" H

Net Weight:

44.1 lbs. (20 kg)

Shipping Weight:

49.1 lbs.

:: Stainless Steel-PP

Dimensions:

11.13" W x 14.77" H

Net Weight:

39.7 lbs. (18.0 kg)

Shipping Weight:

44.7 lbs.

:: Cast Iron

Dimensions:

11.27" W x 14.74" H

Net Weight:

44.1 lbs. (20 kg)

Shipping Weight:

49.1 lbs.

:: Aluminum (G25)

Dimensions:

10.04" W x 12.44" H

Net Weight:

20.3 lbs. (9.2 kg)

Shipping Weight:

25 lbs.