Oil-free Air Division

ZH-Series

The unique packaging concept

Convenience of the
Integrated
Packaged Unit

Performances of a

ZH-Series

Unique Package Concept

COOPER

ZH and TA product range

TA2000

2 and 3 stages
2.5 – 10.5 bar
130 – 300 kW
45 –

TA3000

2 – 3 stages
2.5 – 10.5 bar
1500 – 2500 kW
45 –

TA6000

2 and 3 stages
2.5 – 10.5 bar
685 – 1290 kW
45 –

TA11000

2 – 3 and 4 stages
2.5 – 16 bar
900 – 1900

Convenience of a packaged unit

Complete packaged unit
Clear capital cost
No costly additions
Easy

Lowest Noise level in industry

Optional noise hood
68 ... 74 dBA

No silencing

Convenience of packaged unit

Complete packaged unit
Levelled floor
No anchoring system

Conventional packaged unit
Heavy

Clear capital cost

The complete package includes
Air intake filter and silencer
Inlet guide

Conventional package

$50’000
adders

Convenience of packaged unit

Complete packaged unit
AIR INLET SYSTEM
MOUNTED IN PACKAGE

Conventional

Convenience of packaged unit

INTEGRATED & MOUNTED
Low noise Integrated Blow-off silencer
Piping
No need

Auto-Dual & Constant Pressure Control Configurations of TA’s

Convenience of packaged unit

INTEGRATED & MOUNTED
Cooling water manifold
Water in/outlet compensator
Condensate drain

Lasting compressor performance

Clearances between impeller and inducer not affected over time

Reliability first with Stainless Steel

STAINLESS STEEL
Superior corrosion resistance
Welded construction
Water-in-tubes, straight
Rodding with

Reliability first with quality gears

COMPLETE GEAR/PINIONS
AGMA Q13
Aircraft quality gearing
Increase of reliability
Lower

Designed for easy maintenance

MICRO SPLIN
Disassembly of impeller on-site
Micro-splin attachment avoids fretting

No compromises on reliability

ZH
Horizontally-split bearings
Flexible path radial
Thrust bearings

Cooper TA, I-R Centac
Fixed

No comprises on reliability

TILTING PAD
HORIZONTALLY-SPLIT
Maintenance and inspection
Thrust bearings for axial forces

FIXED

No comprises on reliability ??

ZH

TA 11000 & MSG

Why not on the

High speed and Low speed bearings

AXIAL FORCES
in TWO DIRECTIONS
Reliability and

Lasting compressor performance

CARBON RING AIR SEAL
LABYRINTH OIL SEAL
Patented combination
No external air

Designed for easy maintenance

MOTOR DRIVEN DEMISTER
No external air
No fumes leaking to

INGERSOLL-RAND

Ingersoll Rand - Centac Models

Product range

ZH RANGE

Product range

CENTAC Product naming

50 Cycles
3ACII Frame size
C Centac
255 255 im³/min
M Motor driven
X 50 Hz
3 3 stages

60 cycles
3ACII Frame size
C Centac
90 90x

Convenience of a packaged unit

Complete packaged unit
Clear capital cost
No costly additions
Easy

Lowest Noise level in industry

ZH
Optional noise hood
68 ... 74 dBA

Competition
No silencing

Convenience of packaged unit

Complete packaged unit
Levelled floor
No anchoring system

Conventional packaged unit
Heavy

Clear capital cost

The complete package includes
Air intake filter and silencer
Inlet guide

Standard Scope of Supply Includes:
Built in lubrication and cooling systems

Standard Scope of Supply Includes:
Built in lubrication and cooling systems,

Standard Scope of Supply Includes:
Built in lubrication and cooling systems,

Convenience of packaged unit

Complete packaged unit
AIR INLET SYSTEM
MOUNTED IN PACKAGE

Conventional

Convenience of packaged unit

INTEGRATED & MOUNTED
Low noise Integrated Blow-off silencer
Piping
No need

Convenience of packaged unit

INTEGRATED & MOUNTED
Cooling water manifold
Water in/outlet compensator
Condensate drain

Gearbox configuration

HORIZONTALLY-split gearbox
PROCESS REQUIREMENT
Reliable
Easy inspection & maintenance

Integration of gearbox and donut

High speed and Low speed bearings

AXIAL FORCES
in TWO DIRECTIONS
Reliability and

Designed for easy maintenance

HORIZONTALLY-split
Gearbox and bearings
Inspection of internal parts:
2 ½

Reliability first with quality gears

COMPLETE GEAR/PINIONS
AGMA Q13
Highest quality in industry
Increase of

Designed for easy maintenance

MICRO SPLIN
Disassembly of impeller on-site
Micro-splin attachment avoids fretting

Designed for easy maintenance

FIXED GEOMETRY
Less stable
Low frictional losses
Low manufacturing cost
Sensitive to

No dependence on external air

ZH

I-R CENTAC

Carbon rings
for oil and air

Reliability first with Stainless Steel

STAINLESS STEEL
Superior corrosion resistance
Welded construction
Water-in-tubes, straight
Rodding with

Designed for easy maintenance

COPPER
Coolers are consumable parts
Chemical cleaning
Corrosed internals
Stainless steel extremely

Designed for easy maintenance

HORIZONTALLY-split gearbox
Only 250 l
Operating life time over 2

Designed for easy maintenance

MOTOR DRIVEN DEMISTER
No external air
No fumes leaking to

Efficient operation with IGV

INLET GUIDE VANES (IGV)
save 9% of energy
Redirecting

Capacity control

Inlet throttle valve

Standard Inlet throttle valve
pneumatic actuator requires externally-provided instrument

Capacity control

Optional inlet Guide Vanes are not effective as the distance

No dependence on external air

ELECTRICAL ACTUATORS
No dependence on external air supply
On

Aftercooler

Cooling Water Manifold

Check Valve

Blow-off Valve

Blow-off Silencer

Control Valve

Inlet Filter/Silencer

Anchor Bolts Special Foundation

Inlet Compensator

Outlet