HGS-HSC Series

 

Hertz HS series oil-free scroll compressors offer 100% oil-free compressed air for applications that require clean & oil-free air. Hertz oil-free scroll compressors are the best solution for clean compressed air for industries such as electronics, food & beverage, pharmaceutical as well as applications that clean oil-free air is essential; medical, dental, railway transportation & medical applications. Completely oil-free compressed air according to ISO 8573-1 Class-ZERO.

 

Technical specifications

  • Removable acoustic canopy & rigid base plate
  • Dry type air intake filter
  • Full flow oil filter
  • Electropneumatic on-off controlled suction valve
  • Minimum pressure valve
  • Mechanical and electrical safety systems
  • PLC control unit
 

Description

GENERAL INFORMATION

HGS & HSC Series Rotary Screw Air Compressors

HGS 2 / HGS 3 / HGS 4 / HGS 5.5 / HGS 7.5 / HGS 11 / HGS 15 HSC 15 / HSC 18.5 / HSC 22 / HSC 30 / HSC 30B / HSC 37

Other Features

  • Removable acoustic canopy & rigid base plate
  • Dry type air intake filter
  • Full flow oil filter
  • Electropneumatic on-off controlled suction valve
  • Minimum pressure valve
  • Mechanical and electrical safety systems
  • PLC control unit

Cooling System

  • Aluminum combi-cooler for oil and compressed air with Bar/Plate system
  • Four-way thermostatic valve
  • Silent and effective axial fan directly coupled to the main motor shaft (HGS 2-15)
  • Temperature controlled fan motor (HSC 15-37)

Air Intake System

  • Low maintenance intake system
  • Air operated valves (HGS 2-15)
  • Featured with three control block units, a solenoid valve and a control cylinder (HSC 15-37)
  • Two stage air intake filter system

Air / Oil Separators

  • Easily replaceable spin-on type separator
  • Progressive type, deep bedded and meshed separation layers
  • High performance design with three-stage separation
  • Low oil carryover ≤ 3 ppm

Main Motor And Drive System

  • High efficiency 400V/3 phase/50Hz IE3 class IP55 electric motor
  • Drive system with belt-pulley mechanism
  • Belts have a working life of a minimum 25,000 hours
  • Easy belt tensioning system
  • Motor drive system with star-delta connection

Air end

  • New generation rotary screw air end with high efficiency, durability and low energy consumption
  • New generation bearing design with high load carrying capacity
  • New rotor profile decreasing air leakages and required torque values

Options

Versions with air receiver only and air receiver & airdryer (HGS 2-15)

  • Water cooling system (HSC 15-37)
  • Heat recovery system (HSC 15-37)
  • Cold start
  • Soft-starter
  • IE4 efficiency class main motor
  • Food grade lubricant for food production
  • Power supply options other than 400V/3phase/50Hz

Air Intake System

  • Featured with three control block units, a solenoid valve and a control cylinder
  • Low maintenance intake system
  • Two stage air intake filter system

MODELS AND TECHNICAL INFORMATION

ModelPressureCapacity*Motor PowerConnection SizeReceiver Volume/Dryer ModelDimensions (mm)WeightNoise**
barpsim3/mincfmkW/HPWidthDepthHeightkgdB(A)
HGS 27.51100.3813.42.2/3,0G 1/2"200-250L1500550135024068
HRD 10
HGS 37.51100.4114.53,0/4,0G 1/2"200-250L1500550135024568
101450.3612.7HRD 20
HGS 47.51100.5619.84,0/5,5G 1/2"200-250L1500550135025069
101450.4616.3HRD 20
131900.3512.3
HGS 5.57.51100.828.35,5/7,5G 1/2"200-250L1500550132527269
101450.6523HRD 30
131900.5318.7
HGS 7.57.51101.1540.67,5/10G 3/4"500L1810640152038569
101450.9533.6HRD 40
131900.7727.2
HGS 117.51101.76011/5G 3/4"500L1880650160041469
101451.449.5HRD 40
131901.1641
HGS 157.51102.2579.515/20G 3/4"500L1880650160045069
101451.9669.2HRD 50
131901.6156.9
HSC 157.51102.795.415/20G 1"-1275850146541069
101452.381.2
131901.967.1
HSC 18.57.51103.3116.618,5/25G 1"-1275850146542069
101452.898.9
131902.484.8
HSC 227.51103.8134.222/30G 1"-1275850146545070
101453.5123.6
131903106
HSC 307.51104.6162.530/40G 1 1/4"-15751030175068370
101454141.3
131903.6127.1
HSC 30 B7.51105.2183.730/40G 1 1/4"-15751030175071070
101454.3151.9
131903.7130.7
HSC 377.51106.422637/50G 1 1/4"-15751030175074270
101455.4190.7
131904.3151.9

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