Anest Iwata DDP 120 B Series User Manual (English)

Questions and Answers:

S
Sandy SchmidtAug 17, 2025
Why is the fluid discharge decreasing in my Anest Iwata Water Pump?
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  clarkdanielAug 17, 2025
  A decrease in fluid discharge from your Anest Iwata Water Pump can occur for several reasons: * The paint regulator might be closed. Ensure it is open. * Air flow might be interrupted, air pressure might be too low, or the air regulator might be closed. Check your air sources. * Filters or passages are clogged. Clean and replace the filter inside the paint filter, the suction filter, the suction pipe, all pump material passages, and all paint regulator material passages. * Ball seats, balls, or PTFE diaphragms are damaged or worn. Replace them.
D
Daniel HernandezAug 21, 2025
What to do if the pointer of pressure gauge surpasses max. pressure in Anest Iwata DDP 120 B?
- R
  Rachel SmithAug 21, 2025
  If the pressure gauge pointer on your Anest Iwata Water Pump exceeds the maximum pressure, it could be due to: * Improper seating or foreign matter. Clean and reassemble the components. * Wear or damage on the seat. Replace the tungsten carbide seat. * Wear and damage on the ball. Replace the tungsten carbide ball. * Damaged seat packing. Replace the packing.
M
Marcus KaiserAug 25, 2025
Why does my Anest Iwata DDP 120 B work, but no fluid comes out?
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  Terry CarlsonAug 25, 2025
  If your Anest Iwata Water Pump is running but no fluid is being discharged, check the following: * Ensure the pump suction connector with the suction pipe, the suction connector, the lower adaptor, and the dip tube suction pipe are tightened correctly. If any are loose, tighten them. * Check for clogs in the paint filter fluid filter, the suction filter, the suction hose set, all the pump fluid passages and all the paint regulator fluid passages due to solidified paint residues. Clean and replace the filter as needed. * Inspect the upper and lower balls to ensure they are not stuck, and check the ball inside the paint filter. Replace any damaged or worn ball seats, balls, O’rings of each ball seat, or PTFE diaphragms.
L
Lori BakerAug 28, 2025
How to fix air in the outgoing paint from my Anest Iwata DDP 120 B Water Pump?
- J
  Jill HumphreyAug 28, 2025
  If the paint coming out of your Anest Iwata Water Pump contains air, it may be caused by: * Loose or damaged pump suction joint with the suction pump, suction joint, lower adapter, or suction pipe of dip tube. Check and tighten any loose connections. * Damaged diaphragms or O rings between the PTFE diaphragm and the diaphragm seat. Replace any damaged parts.
S
Sean HarperAug 31, 2025
How to resolve paint leaks outside of my Anest Iwata DDP 120 B?
- L
  Lisa BaldwinAug 31, 2025
  If you notice paint leaking from your Anest Iwata Water Pump, check the following: * Tighten any loose joints. * Tighten any loose bolts with a hex hole. * Tighten any loose hex nuts. * If the above steps don't solve the issue, replace any damaged diaphragms or O-rings.
A
Angela BlevinsSep 4, 2025
What to do if secondary pressure does not rise in Anest Iwata DDP 120 B?
- T
  tcarrilloSep 4, 2025
  If the secondary pressure in your Anest Iwata Water Pump isn't rising, consider these potential causes: * The primary pressure might be too low. Try raising the primary side pressure. * There could be a failure of the pressure gauge. Replace the pressure gauge. * Paint may have hardened in the rising pipe. Clean the paint out.
R
rreyesSep 8, 2025
Why is the pressure unstable in my Anest Iwata DDP 120 B Water Pump?
- K
  kcurrySep 8, 2025
  If the pressure in your Anest Iwata Water Pump is unstable, it could be due to damage to the valve spring. Replace the valve spring.

Anest Iwata DDP 120 B Series Specifications

General

Type	Double Diaphragm Pump
Fluid Pressure Ratio	1:1
Power Source	Compressed Air
Housing Material	Aluminum
Max. operating pressure	8.6 bar
Maximum Pressure	8.6 bar
Applications	Fluid transfer
Weight	11.5 kg
Dimensions (L x W x H)	470 x 270 x 370 mm

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Table of Contents

Questions and Answers:

Anest Iwata DDP 120 B Series Specifications

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