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Thread: Some D5 Pumps are different than Original Laing Reply to Thread
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  Topic Review (Newest First)
08-19-2019 05:39 PM
Moose-Tech Don't mean to jump into an old thread, but the EKWB D5 PWM pump I have been using works great. It is virtually silent at 100% (I have to take the tempered glass off to hear it).
It works so good I just bought a used pump and res combo off of ebay to use on another side project.

One of the other poster's stated correctly that you need to properly isolate the pump with vibration dampeners (like foam pads).

My pump is isolated from the case with rubber pads on the Pump Phanteks Bracket. Then the pump itself is mounted in a anti-vibration rubber ring on the EKWB pump bracket (which is mounted to the Phanteks Pump bracket).
05-23-2019 05:19 AM
Vlada011 Normal D5 Pump is silent up to 70%. Than some noise is normal.
There is a good chance that D5 with Speed Control without new changes etc could work on speed 4 in closed case without noise.

Even if you hear some nice many times D5 after 24-48h use on same speed is less noisy then when you start first time.

This is pump you should looking for. If you find someone reliable worth paying similar price as brand new EK or XSPC, etc..
Only little less because you will not get warranty 1 year. But they are reliable.





Even if they are not maybe from original factory they don't have changes latter applies with manufacturers who bought them to sell to computer enthusiasts.

These are numbers of Laing D5.

https://www.pumpvendor.com/media/lai..._D5_Series.pdf

You need D5-38/810N that's not strong version.
As you see on picture Part No is 71629
05-09-2019 02:31 PM
Mordorr I dont care, peanuts, if it is more silent or not, or discuss the sex of silence, here...

Thank you for clarify i made a buy of a standard normal D5. Period.
05-09-2019 01:06 PM
ciarlatano
Quote: Originally Posted by lb_felipe View Post
So is what @ezveedub said wrong?

After all, is Aqua Computer D5 pump motor with PWM input and speed signal so bad as EK D5 G2 in terms of noise/vibrations/whine?

Between that (AC) and this (WC), which is quieter/more sound pleasant? Watercool WCP D5-PWM
What he said @ezveedub said is entirely correct.

And, sorry, I'm not going down the "which is more silent" rabbit hole.
05-09-2019 12:56 PM
lb_felipe
Quote: Originally Posted by ciarlatano View Post
No, the snippet that is confusing you is actually simply a note of a D5 feature. Nothing in that quote is a change from a standard D5. The D5 Next is a standard D5 with a PWM controller display attached to it. The display does not change the pump in any way.
So is what @ezveedub said wrong?

After all, is Aqua Computer D5 pump motor with PWM input and speed signal so bad as EK D5 G2 in terms of noise/vibrations/whine?

Between that (AC) and this (WC), which is quieter/more sound pleasant? Watercool WCP D5-PWM
05-09-2019 11:05 AM
ciarlatano
Quote: Originally Posted by Mordorr View Post
OFF:
Im confuse.....did thy mod my D5 until a point its worse than a original D5 pump??
No, the snippet that is confusing you is actually simply a note of a D5 feature. Nothing in that quote is a change from a standard D5. The D5 Next is a standard D5 with a PWM controller display attached to it. The display does not change the pump in any way.
05-09-2019 10:21 AM
Mordorr OFF:
Seasonic IS the best powersuply we can buy.....


ONTOPIC:

Quote:
he WCP D5 is a DC pump using the spherical motor design as developed by Laing. The only moving part in a spherical motor pump is a spherically shaped rotor/impeller unit, which is seated on an ultra-hard, wear-resistant ceramic ball. The conventional shaft, shaft bearings, and shaft seals have been eliminated. The occurrence of bearing clearance – and the associated increase of noise – is not possible due to the principle involved. Consequently, the pump continues to work quietly throughout its entire service life.
The bearing is self-adjusting. It is lubricated directly by the medium being pumped (wet rotor design). Separate maintenance is not required. All parts in contact with the medium are corrosion resistant.
Under normal conditions, it is impossible for the rotor to become locked due to the spherical motor design. Reliable starting is also ensured even after long periods of shutdown. The permanent magnetic mechanism allows high efficiency output.

Im confuse.....did thy mod my D5 until a point its worse than a original D5 pump??
05-09-2019 09:47 AM
ciarlatano
Quote: Originally Posted by lb_felipe View Post
This. Corsair chose seasonic as an OEM because it was one of the first brands to focus on noise, if I'm not mistaken.
Or they chose that Seasonic platform because it was, at it's time, one of the best performing and most durable platforms available for OEM at a reasonable cost. The fan and associated noise were chosen by Corsair in the OEM spec. The Seasonic end of it is silent (excepting possible coil whine) as it has no moving parts.
05-09-2019 08:27 AM
ezveedub
Quote: Originally Posted by lb_felipe View Post
From Watercool pump pages:



"The conventional shaft, shaft bearings, and shaft seals have been eliminated. The occurrence of bearing clearance – and the associated increase of noise – is not possible due to the principle involved. Consequently, the pump continues to work quietly throughout its entire service life."



Does this indicate that this motor is not original?


Is say right on the description it’s a D5 pump...




Sent from my iPhone using Tapatalk Pro
05-09-2019 08:10 AM
ryan92084
Quote: Originally Posted by lb_felipe View Post
From Watercool pump pages:

"The conventional shaft, shaft bearings, and shaft seals have been eliminated. The occurrence of bearing clearance – and the associated increase of noise – is not possible due to the principle involved. Consequently, the pump continues to work quietly throughout its entire service life."

Does this indicate that this motor is not original?

If so, could it mean that even though it sounds bad, the pump is quieter than the original one (or does it have noisy noise problems like EK, XSPC etc)?
snip...
They are just describing what makes the d5 fancy not what they've altered.
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