文档介绍：Oil-free Air Division – Product Launch May 2000
THE NEW GA200-315 TWIN SERIES
more
buying
benefits
Oil-free Air Division – Product Launch May 2000
Twin Element Design
Rotary screw element 2 x size II long 410 mm active rotor length
Benefits:
higher built-in pressure ratio yields up to 3% lower SER at high pressure
Consequence:
lower running cost at higher pressure
Oil-free Air Division – Product Launch May 2000
WHAT IS NEW ?
Service Factor on Main Drive Motor
- for 50 Hz : from to
- for 60 Hz : same at
increased .
Main Drive Motor
ABB Motor 50 / 60 Hz IEC Standard
Siemens Motor 60 Hz CSA / UL
Oil-free Air Division – Product Launch May 2000
NEW GA SIZE II RANGE: % higher FAD
Oil-free Air Division – Product Launch May 2000
NEW GA SIZE II RANGE: 5% higher FAD
Oil-free Air Division – Product Launch May 2000
COOLER AIR SIDE
WARMER AIR SIDE
WHAT IS NEW (AIR COOLED) ?
Cooling Fan Flow Arrangement
from Pushing Fan to Sucking Fan
B E N E F I T S :
Longer lifetime for
lubricating oil
Longer cleaning intervals of coolers
M E A N S :
More efficient cooling
Longer change oil
intervals
Oil-free Air Division – Product Launch May 2000
WHAT IS NEW ?
Increased Reliability of FAN Motor (Air Cooled Units)
2 x Fan Motor
IP 55 Protection
Class F Insulation
Greased for Life
Hinges for Ease of Maintenance
Benefits :
Reliability
Minimum Maintenance
Oil-free Air Division – Product Launch May 2000
air in
air out
oil out
oil in
WHAT IS NEW (WATER COOLED) ?
Brazed Plate Heat-Exchanger (on Water Cooled Units)
no longer tube-in shell design
totally integrated air & oil cooler
stainless steel plate
no gaskets
Benefits : Less Maintenance Cost
Oil-free Air Division – Product Launch May 2000
WHAT IS NEW ?
Ventilation Fan (on Water Cooled Units) - kW Fan
BENEFITS:
longer lifetime
of coupling elements
on hot conditions
Oil-free Air Division – Product Launch May 2000