Features
The Laing D5 pump is a high reliability, high pressure industrial pump, featuring a 50,000 hour MTBF (5 year lifetime). Such reliability is afforded by the unique
design of this pump, which contains only one moving part: the magnetically driven spherical impeller spins on a single ceramic bearing, thus extending the life of
this pump beyond existing standards.

The pump is completely plug-and-play, and connects directly to any computer power-supply through standard 4 pin power connectors. It's compact design, quiet
and powerful motor make it ideally suited for heavy duty cooling in environments where space is at a premium.


Summary of benefits
50,000 hours MTBF (Mean Time Between Failure) equivalent to 5 years lifetime.
Superior 12 Volts DC convenience: plugs into the computer power supply
The Laing D5-2™ can be used with full confidence in any MP servers, and high-end workstations.
Superior real world performance versus any aquarium pump we have tested to this date.
The high pressure capability of the MCP655™ is particularly well adapted to high-flow systems using 1/2" ID tubing
Pump speed can be adjusted to yield top performance or virtually silent operations

Compact Design.
Quiet operations even at high speed thanks to new chipset controller
½" Barb fittings.
No maintenance when used with de-mineralized water, and anti-fungal additives.
Quick installation with adhesive neoprene pad, or permanent installation with thru-bolts
Retention Mechanism

The Laing D5-2™ can either be installed with the built-in neoprene pad featuring a peel-off adhesive back,
Or permanently with thru-bolts.


Technical specifications

Nominal voltage
12 V DC

Operating voltage range 6 to 14 VDC
Nominal power (@ 12 V)
24 W

Nominal current (@ 12 V) 2 amps
Motor type Brushless, microprocessor controlled
Maximum head
10 ft (3.1 m)

Maximum discharge
~ 317 GPH (1200 LPH)

Connection size
½" barbs

Maximum pressure 50 PSI (3.5 BAR)
Temperature range 32 °F to 140°F (0 °C to 60 °C)
Electrical connector
Molex 4 pin

Weight
1.4 LB (650 gr.)

Impeller Housing material
Noryl®


Click on flow rate chart to enlarge and view performance specs.
$99.95
Orderable
Yes
water pump
At 12 Volts
At 24 Volts
At 8 Volts
Laing D5 / Koolance PMP-450 DC Water Pump - Variable Speed Pump
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Why not spare your hearing with Acoustic PC’s Quiet Computer Cooling and Soundproofing
Solutions. Acoustic PC Stocks Quiet Computer Parts. Quiet PC Fans, Quiet CPU Coolers, Quiet
Power Supply, Quiet Computer Cases, PC Sound Dampening insulation, Ant-vibration Noise
Reduction materials such as Silicone Fan Mounts, Sorbothane Feet for Ultra Low noise PC's. We
also sell Silent PC Hardware components and Gaming products such as Fanless Silent Video
cards, SSD Drives, Professional Gaming peripherals for serious Gamers. Audio products & more.
Koolance PMP-450 DC Pump
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Koolance PMP-450 DC Water Pump - Varaible Speed Pump
Laing D5 / Koolance PMP-450 DC water Pump - Variable Speed Pump


Quiet Power
Laing D5 12v DC Pump for Quiet high performance water cooling systems. This is the highest performance yet quietest water pump on the market it's the top
OEM pump used by profesional water cooling manufactures such as Koolance PUMP450, Danger Den, Swiftech MCP655, But really they are all the same Laing
D5 pump manufactured by Laing taking on diffrent nick names.


The DD12V-D5 is a 12 Volt DC pump with near silent operation and a built in flow adjustment potentiometer! It has a variable adjustment to fine tune your flow.  
The Laing D5-2 Rev. 2 Pump is Clearly the industry's best pump for 1/2 ID Tubing Best performance, Quiet and Durable.


Product Description & Info

Preamble
In response to the overwhelming demand for a quieter Lanig D5, we are proud to introduce the new Laing D5-2 pump, which features several key improvements:

Considerably reduced audible operating noise: the high pitch frequency of the Laing D5 is now eliminated thanks to a new chipset controller,
Head and flow characteristics have slightly improved in the midrange, A potentiometer allows to adjust the pumps speed from 4800 rpm down to 1800 rpm. At
1800 rpm, the pump is virtually silent.

Variable Speed Adavantage
This allows users to tune the pump performance/noise ratio to their particular preference.