Hakko Air Pumps are high volume diaphragm pumps designed for a variety of low-pressure applications.
Koi pond aeration, large aquarium aeration and earth pond destratification are only a few of the many applications for Hakko pumps.
Hakko pumps are compact, affordable, energy-efficient and very, very quiet (less than 38 decibels!)!
Model HK-25 HK-40 HK-60 HK-80 HK-100 HK-120
Rated Voltage (V)
AC 115 (AC 110/115/120 or AC 220/230/240)
Power Supply Frequency (Hz)
56 / 60
Normal Pressure Bar (psi)
0.1 (1.42psi)
0.13 (1.85psi)
0.15 (2.13psi)
0.15 (2.13psi)
0.18 (2.56psi)
0.20 (2.84psi)
Rated Performance lpm (cfm)
21
51
68
86
105
121
Power (W)
17
40
63
85
116
126
Noise Level (dB)
32
35
38
38
40
42
Closed Pressure / Bar
0.26
0.38
0.46
0.54
0.45
0.54
Closed Pressure / psi
3.7
5.5
6.7
7.8
6.5
7.8
Weight (kg)
2.9 / 6.27
5.4 / 11.9
6.3 / 13.8
6.3 / 13.8
8.9 / 19.6
8.9 / 19.6
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Koi & Pond Tip of the DayJanuary 7th, 2009
Feed your fish one to two times a day, depending on the season. (Once a day during the winter, twice during the summer.)
Tips by » Koi Clubs USA
