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HDD Series

HERTZ HDD series compressors deliver high performance by reducing the power transfer losses with their directly-coupled motor and screw block. Operation expenses are reduced thanks to usage of the latest generation screw block and motor. Responds to all requirements between 22 and 335 KW.

General Information

Air Oil Separator

High performance separation with three-stage design
More efficient separation at lower volume with deeply wrapped, intertwined separation layers
Low amount of oil mist in outlet air ≤ 3 ppm
High-efficiency immersion type separator with long service life
Service friendly oil tank cover

HDD Series Rotary Screw Air Compressors

HDD 22 / HDD 30 / HDD 37 / HDD 45 / HDD 55 / HDD 75 / HDD 90 / HDD 110 / HDD 132 / HDD 150 / HDD 185 / HDD 220 / HDD 260 / HDD 300 / HDD 335

Advantages

 Wide operating pressure range (100-175 psi)

Easy and fast service with removable and hinged door and panels

Main Motor Drive System

Durable and efficient power transfer thanks to the use of elastic coupling

Fast (30 min.) coupling system serviceability with its special design

High temperature protection with motor bearings PTC on motor windings

Cooling System

Cooling fans controlled with secondary fan inverter (HDD SERIES 22-335) Independent radiator segments

Silent and slow speed Radial fan

(HDD SERIES 22-335)

Other Features

Usage up to 113 degrees Fahrenheit ambient temperature

Suction filter with silencer casing and pre-filtration Hinged oil tank cover for easy and fast service Flexible pipe coupling joints used for water separator

Optimum inner cabinet air flow for better cooling and air suction

All air and oil tanks comply with ASME standards

Additional Options to the General Options List

Oil Tank heater for cold environments

Electronic Control

Hertz Kompressoren rotary screw compressors are equipped with easy-to-use, robust and long-lasting microprocessor controllers with communication capabilities as per the product line to ensure smooth operation and uninterrupted production.

Screw Block

  • Patented and durable screw block that provides high-capacity of air, and that is specially selected for each model's capacity requirement
  • Production of air with less loss of air, thanks to the new rotor profiles, and lower torque requirements
  • New generation bearing design with increased load carrying capabilities

 

Main Motor and Drive System

Premium 230-460 /3 phase/60Hz, IE3 IP55 electric motors with F Class insulation, Wye-Delta motor starting system. Long-lasting and efficient transfer system thanks to use of elastic couplings on direct coupled models.

Models and Technical Information

MODELPRESSURECAPACITYMOTOR,POWERDIMENSIONS (in,)WEIGHTNOISE
psibarm3/mincfmkW/HPLengthWidthHeightlbsdB(A)
HDD 2210073.9814122/30643355140070
1258.53.8134
150103.35118
HDD 3010076.221930/40804564224870
1258.55.35189
150104.95175
175124.32153
HDD 3710077.2325537/50804564253575
1258.56.66235
150106.12216
175125.35189
HDD 4510078.7731045/60804564284378
1258.57.9279
150107.33259
175126.47228
HDD 55100710.637455/75915482452078
1258.59.7343
150108.64305
175128.16288
HDD 7510071553075/100915482489578
1258.513.5477
1501011.8416
1751211389
HDD 90100717.862990/125985580551079
1258.516.9598
1501014.9525
1751212.9456
HDD 110100721.9774110/150985580605879
1258.520707
1501018.3646
1751215.9562
HDD 132100724.7871132/180985580660979
1258.523.7837
1501021.7765
1751218.8665
HDD 160100729.91057160/2201187886749079
1258.527954
1501024.6867
1751221.2750
HDD 1851007371307185/2501187886881279
1258.534.11205
1501029.51041
1751227.5971
HDD 220100744.21562220/30012789961167579
1258.539.61398
1501036.61293
1751231.91128
HDD 260100753.21880260/35012789961233679
1258.547.81688
1501042.51501
1751237.11309
HDD 300100758.92079300/40012789961321879
1258.554.71933
1501049.11734
17512401411
HDD 3351007652297335/45012789961420979
1258.558.52067
1501052.61856
1751249.41745
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