Gas Supply Dehydrating Filter Maintenance (If Foreseen) - Emerson Bettis GVO LP DA Installation, Operation And Maintenance Manual

Double-acting pneumatic linear actuator
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Installation, Operation and Maintenance Manual
VCIOM-15792-EN Rev. 0
NOTICE
For refill use oil of the same brand as the one in the tanks.
Table 5.
Producer
Name
Viscosity at 40 °C
Viscosity at 100 °C
Viscosity index ASTM
Flash point
Pour point
Specific weight (at 15 °C)
Equivalent oils:
5.1.2

Gas Supply Dehydrating Filter Maintenance (If Foreseen)

The gas supply filter is fitted with a mechanical filter and a drain valve to discharge
periodically the water generated by the condensation of the humidity inside the gas supply.
During the routine maintenance it is recommended to check and clean the mechanical
filter and replace it in case of heavy dirty conditions.
To disassemble the filter please consult technical documentation suitable for the
component, in general:
a.
b.
c.
d.
e.
Reinstall all parts carefully paying attention to avoid any damage to the seals.
Maintenance
Features of hydraulic oil used by Emerson
Close the stop valve at the inlet of pressure supply line;
discharge the pressure from the drain valve;
remove the lover enclosure screws,
remove the mechanical filter;
clean or replace the filter
AGIP
ARNICA 22
22 cSt
5.2 cSt
175
192 °C
-39 °C
0,857 kg/l
SHELL TELLUS PLUS 22
CHEVRON HYDRAULIC OIL AW ISO 22
MOBIL DTE22
EXXON UNIVIS N22
EQUIVIS ZS22
BP ENERGOL HLP-HM22
CASTROL DYSPIN AWS22
Section 5: Maintenance
October 2020
27

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