Atlas Copco GA 45+

Roto Synthetic Fluid ULTRA
Roto Synthetic Fluid ULTRA is a synthetic oil based 4000 hours lubricant, specially developed
for use in single stage oil injected screw compressors running in demanding conditions. Roto
Synthetic Fluid ULTRA can be used for compressors operating at ambient temperatures between
0 ˚C (32 ˚F) and 40 ˚C (104 ˚F). For more extreme conditions, or when continuously operating at
temperatures above 40 °C (104 °F), it is recommended to use Roto Synthetic Fluid XTEND
DUTY.
See the table bloew for recommended oil exchange intervals:
Ambient temperature Element outlet
temperature
Exchange interval Maximum time interval
up to 35°C (95°F) up to 100°C (212°F) 6000 2years
from 35°C (95°F) up to
40°C (104°F) (see note)
from 100°C (212°F) up to
105°C (221°F)
4000 2years
from 40°C (104°F) up to
45°C (113°F) (see note)
from 105°C (221°F) up to
110°C (230°F)
2000 2years
Note: the presence of dust and/or high humidity may require a shorter exchange interval. Consult
Atlas Copco.
Roto Synthetic Fluid XTEND DUTY
Atlas Copco's Roto Synthetic Fluid XTEND DUTY is a high quality synthetic 8000 hours
lubricant for oil injected screw compressors which keeps the compressor in excellent condition.
Because of its excellent oxidation stability, Roto Synthetic Fluid XTEND DUTY can be used for
compressors operating at ambient temperatures between 0 ˚C (32 ˚F) and 46 ˚C (115 ˚F).
Roto Synthetic Fluid XTEND DUTY is the standard lubricant for oil injected screw compressors
equipped with freeze protection or Energy Recovery.
See the table below for oil exchange intervals:
Ambient temperature Element outlet
temperature
Exchange interval Maximum time interval
up to 35°C (95°F) up to 100°C (212°F) 8000 2 years
from 35°C (95°F) up to
40°C (104°F) (see note)
from 100°C (212°F) up to
105°C (221°F)
6000 2 years
above 40°C (104°F) above 105°C (221°F) 5000 2 years
Note: the presence of dust and/or high humidity may require a shorter exchange interval. Consult
Atlas Copco.
Roto-Foodgrade Fluid
Special oil, delivered as an option.
Atlas Copco's Roto-Foodgrade Fluid is a unique high quality synthetic lubricant, specially created
for oil injected screw compressors that provide air for the food and beverage industry. This
lubricant keeps the compressor in excellent condition. Roto-Foodgrade Fluid can be used for
compressors operating at ambient temperatures between 0 ˚C (32 ˚F) and 40 ˚C (104 ˚F).
Instruction book
2920 7109 51 147