Performance under Pressure

Hakko Air Pump Line Hakko HK40L




Hakko HK40L Linear Air Pump

Hakko HK40L Linear Air Pump

The Hakko HK-40L Linear air pump represents a top of the line Linear Air Compressor with 3 year warranty.

The Hakko Air Pump 40 will deliver a maximum of 70 Liters Per Minute.

40 watts used!!

Suitable for koi ponds up to 4,000 gallons.

This is a cast iron body style. It is a small unit with surprisingly high output. Ideal for water depths between 2 feet to 10 feet deep. Shut off depth is 14 feet deep. The Hakko air pumps are built to last with a very durable body and mechanics meaning years and years of everlasting quality airflow.

Very low noise 32/38 dB at 1 meter, low power consumption, Silent operation, Completely oil free, Overload protection with Auto off/on switch for overheat situations. Low power consumption. UL and CE listed for outdoor use.

110 Volt is standard. 220 volt is by special order.

The outlet fitting is approx 5/8" O.D. 6 foot power cord supplied.

No oil needed for lubrication making the Hakko easy to maintain.

Model / ItemHK-40Application:Features & Benefits:
Rated Voltage (V) AC 115 (AC 110/115/120 or
AC 220/230/240)
  • Aeration
  • Liquid agitation
  • Mamut pump for air lift
  • Aerobic treatment
  • High Efficiency
  • Simple Maintenance
  • Completely Oil-Free
  • Overload Protection
  • Silent Operation
  • Long Life Expectancy
Power Supply Frequency (Hz) 56 / 60
Normal Pressure Bar (psi) 0.13 (1.85psi)
Rated Performance lpm (cfm) 51
Power (W) 40
Noise Level (dB) 35 Maximum dimensions: Certificate:
Closed Pressure / Bar 0.38
Closed Pressure / psi 5.5 204 x 174 x 215 mm
  • CUL
  • CE
  • JET

Weight (kg) 5.4 / 11.9

The graph below shows water depth in feet.

Hakko HK40L Performance Curve

The graph above shows water depth in feet.

Shipping is free.

Item # Description Price Add to Cart
28018Hakko HK40L Linear Air Pump$198.00 Add to Cart
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Koi & Pond Tip of the Day
November 22nd, 2017
Shade the pond (at least 92% shade) to inhibit algae growth, promote and maintain color of your Koi, and keep water temperature cooler.
Tips by » Koi Clubs USA

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