NDP-20-E series

Lightweight and Compact! Simple Structure and Easy Maintenance
This model has a built-in high-frequency transmitting proximity sensor.
This diaphragm pump operates by detecting a sensor and controlling the switching of a solenoid valve. Fully self-suction type that can pump out fluid efficiently, with no pump-priming required.
The NDP-20-E series has a nominal diameter of 3/4" (20 mm) and a maximum flow rate of approximately 82 L/min.
The maximum size solid is 2 mm or less.
*The NDP-E series Is Not Explosion-proof.
This Series Is Built-to-order, So Be Sure to Confirm the Delivery Date.

■ Main Applications
Transfer of Inks and Pigments/Circulation and Spraying of Mold Release Agent, Pumping Out Factory Wastewater and Waste Oil/Supply of Paint to Roll Coater/Transfer of Clay and Glazes/Supplying Oil, Coolant Fluid, Paint, Etc.



Features

■ Sensor Control Model with Built-in Proximity Sensor that Transmits High Frequencies
The sensor built into the pump detects the stroke end, and the pump controller switches the solenoid valve to operate the pump.

◆ Sensor Control “Proximity Sensor”

Sensor Control = Stable Reciprocating Motion

A proximity sensor detects the stroke end of the diaphragm, and the pump controller receiving the sensor signal controls the switching of the center exhaust type 3-position 5-port solenoid valve.

Optional Counter Connection Enables Stroke Management

By counting the number of times the center rod has moved, it is possible to determine when parts need to be replaced.
sensor_stroke.jpg



Specifications

Body Material A: Aluminum
(ADC12)		 S: Stainless Steel
(SCS14)		 P:GF Polypropylene
(PP-GF)
Diaphragm Material
C: Neoprene
(CR)		 NDP-20BAC-E
（853097）		 NDP-20BSC-E
（853104）		 NDP-20BPC-E
（853111）
N: Buna N
(NBR)		 NDP-20BAN-E
（853098）		 NDP-20BSN-E
（853105）		 NDP-20BPN-E
（853112）
E: EPDM NDP-20BAE-E
（853099）		 NDP-20BSE-E
（853106）		 NDP-20BPE-E
（853113）
V: Viton(R)
(FKM)		 NDP-20BAV-E
（853100）		 NDP-20BSV-E
（853107）		 NDP-20BPV-E
（853114）
T: PTFE NDP-20BAT-E
（853101）		 NDP-20BST-E
（853108）		 NDP-20BPT-E
（853115）
H: Hytrel(R) (TPEE) NDP-20BAH-E
（853102）		 NDP-20BSH-E
（853109）		 NDP-20BPH-E
（853116）
S: Santoprene(R) (TPO) NDP-20BAS-E
（853103）		 NDP-20BSS-E
（853110）		 NDP-20BPS-E
（853117）
Wetted Parts Material
Ball Valve Same as the diaphragm material
Valve Seat SMS1025 SUS316 PP-GF
Valve Stopper ADC12 SCS14 PP-GF
Center Disk NDP-20BAT-E: A5056
Others: SUS316		 SUS316 PP-GF
SCS13 (Insert material)
Specifications
Nominal Diameter 3/4"（20 mm）
Material Connection Rc 3/4
Rc 3/4
Air Connection Rc 3/8 x 2 (Shared supply and exhaust port x 2) *1
Air Supply Pressure 0.2~0.7 MPa *2
Maximum Discharge Pressure 0.7 MPa
Water Discharge/Cycle Fluorine resin diaphragm: 240 mL *3 Other diaphragm: 350 mL *3
Maximum Flow Rate Fluorine resin diaphragm: 63 L/min *4 Other diaphragm: 82 L/min *4
Maximum Air Consumption 1000 L/min（ANR）
Maximum Size Solid 2 mm以下
Suction Head Lift NDP-20B○T-E: 1.5 m Others: 3 m
Net Weight 8.0 kg 13.0 kg 7.0 kg

*1 The pipe length from the air supply valve (solenoid valve, etc.) to the pump shall be 1.5 m or less. If piping from the exhaust port of the air supply valve to another location, the pipe length to the end of the exhaust port shall be 5 m or less.

*2 The maximum supply air pressure for a type with a resin-made pump body will depend on the liquid temperature.

*3 The water discharge is provided as a rough approximation only. The discharge will differ depending on factors such as the liquid to be transferred and the piping conditions.
*4 Maximum flow rate is a value indicating the pump capacity. We recommend selecting a size that allows some leeway, taking into account the impact on the life span of the diaphragm.

Dimentional drawing

Performance curve

Downloads

Download LiteratureCatalogs and Various Manuals

◆ Performance Curve

◆ Dimensional Drawings

◆ CAD Data

Parts List

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