Yamada® NDP-20 Diaphragm Pump Series

3/4" Fluid Port

The Yamada® NDP-20 Diaphragm Pump Series offers reliable performance and efficient fluid handling, making it ideal for a variety of industrial applications. Its robust construction and 3/4" fluid port ensure smooth operation and long-lasting durability.

Yamada® NDP-20 series AODD pumps provide a maximum flow rate of 31.7 gallons per minute. Pumps are available in aluminum, stainless steel (316), and polypropylene construction, with a wide variety of diaphragm materials.

GENERAL PUMP INFORMATION:

31.7 Gallons/Minute

3/4" NPT Fluid Port

 

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:

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)

1Polypropylene pumps have a maximum liquid temperature of 180°F (82°C) regardless of diaphragm material.

 

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

Aluminum - Metal Pumps
Plastice - Plastic Pumps

Optional Coating

PTFE-coated

Other Options

Split manifold pumps

NDP-20 PUMP MODELS:

Model #

Description

851514

NDP-20BAC

851515

NDP-20BAN

851516

NDP-20BAE

852098

NDP-20BAH

852693

NDP-20BAS

851517

NDP-20BAV

851518

NDP-20BAT

855227

NDP-20BAU

854059

NDP-20BAC-PP

854060

NDP-20BAN-PP

854061

NDP-20BAE-PP

854064

NDP-20BAH-PP

854065

NDP-20BAS-PP

854062

NDP-20BAV-PP

854063-U

NDP-20BAT-PP

854063

NDP-20BAU-PP

851519

NDP-20BSC

851520

NDP-20BSN

851521

NDP-20BSE

852099

NDP-20BSH

852694

NDP-20BSS

851522

NDP-20BSV

851523

NDP-20BST

855228

NDP-20BSU

854073

NDP-20BSC-PP

854074

NDP-20BSN-PP

854075

NDP-20BSE-PP

854078

NDP-20BSH-PP

854079

NDP-20BSS-PP

854076

NDP-20BSV-PP

854077

NDP-20BST-PP

854077-U

NDP-20BSU-PP

851665

NDP-20BPC

852382

NDP-20BPN

852383

NDP-20BPE

852069

NDP-20BPH

852695

NDP-20BPS

852384

NDP-20BPV

851666

NDP-20BPT

853828

NDP-20BPC-FLG

853829

NDP-20BPN-FLG

853830

NDP-20BPE-FLG

853833

NDP-20BPH-FLG

853834

NDP-20BPS-FLG

853831

NDP-20BPV-FLG

853832

NDP-20BPT-FLG

854094

NDP-20BPC-PP

854095

NDP-20BPN-PP

854096

NDP-20BPE-PP

854099

NDP-20BPH-PP

854100

NDP-20BPS-PP

854098

NDP-20BPT-PP

854097

NDP-20BPV-PP

854098-U

NDP-20BPU-PP

854108

NDP-20BPC-PP-FLG

854109

NDP-20BPN-PP-FLG

854110

NDP-20BPE-PP-FLG

854113

NDP-20BPH-PP-FLG

854114

NDP-20BPS-PP-FLG

854111

NDP-20BPV-PP-FLG

854112

NDP-20BPT-PP-FLG

854112-U

NDP-20BPU-PP-FLG

MATERIAL TYPES;

:: Aluminum

Dimensions:

9.80" W x 12.5" H

Net Weight:

19.8 lbs. (9.0 kg)

Shipping Weight:

23.8 lbs.

:: Aluminum-PP

Dimensions:

9.80" W x 12.48" H

Net Weight:

16.5 lbs. (7.5 kg)

Shipping Weight:

20.5 lbs.

:: Polypropylene (ANSI flange)

Dimensions:

12.44" W x 14.70" H

Net Weight:

17.6 lbs. (8.0 kg)

Shipping Weight:

21.6 lbs.

:: Polypropylene-PP (ANSI flange)

Dimensions:

12.44" W x 14.72" H

Net Weight:

15.4 lbs. (7.0 kg)

Shipping Weight:

19.4 lbs.

:: Polypropylene (NPT)

Dimensions:

12.46" W x 14.49" H

Net Weight:

17.6 lbs. (8.0 kg)

Shipping Weight:

21.6 lbs.

:: Polypropylene-PP (NPT)

Dimensions:

12.48" W x 14.48" H

Net Weight:

15.4 lbs. (7.0 kg)

Shipping Weight:

19.4 lbs.

:: Stainless Steel

Dimensions:

9.65" W x 12.42" H

Net Weight:

30.9 lbs. (14.0 kg)

Shipping Weight:

34.9 lbs.

:: Stainless Steel-PP

Dimensions:

9.72" W x 12.4" H

Net Weight:

27.6 lbs. (12.5 kg)

Shipping Weight:

31.6 lbs.