September 2021
Installation, Operation and Maintenance Manual
VCIOM-01249-EN Rev. 0
20
Lubrication
Section 4: Lubrication
Section 4: Lubrication
4.1 Lubrication Inspection
The actuator is lubricated for life, therefore under normal working conditions it is not
necessary to replace or rell the oil. However it is recommended to check the oil level every
3-5 years using holes 1 or 2 depending on mounting position.
The actuator is tted with oil plugs (parts 1, 2), so that any assembly on the valve has at
least one oil plug on the upper part of the housing and one on the lower part. The actuator
is supplied with oil and greased where necessary.
In case of maintenance the following oils are recommended:
Ambient temperature from -30 °C to +85 °C
(-20 °C to +60 °C only for Ex d e or Ex tb versions)
• SHELL - TIVELA OIL SC320
Other equivalent:
• EXXON TERESSTIC SHP320
• MOBIL OIL - GLYGOYLE HE 320
• KLUBER LUBRICATION - KLUBERSYNTH EG4-320
Ambient temperature from -55 °C to +70 °C
• SHELL - CASSIDA FLUID HF 68
Other equivalent:
• SYNECO - WINTER PLUS
In case of maintenance the following greases are recommended:
Ambient temperature from -30 °C to +85 °C
(-20 °C to +60 °C only for Ex d e or Ex tb versions)
• ISO viscosity grade X1 (EP1)
Other equivalent:
• ESSO BEACON EP1
• AGIP GR MU/EP1
• AEROSHELL GREASE for explosionproof joints in ATEX version
Ambient temperature from -55 °C to +70 °C
• FUCHS FN20
Other equivalent:
• TEXACO low temperature grease EP
• AGIP FN20/00
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