Answer Posted / www.islamqa.com

# Glasarin oil or any other viscous material is used in
order to make pulsation damping to avoid vibration and
pulsation effects on ths gauge and to have a stable
readable value.

# The internal friction of the filled liquid absorp shocks
and prevent the instrument damage.

Regards,

Ahmed Sabry
Control and Instrumentation Engineer
GPC - General Petroleum Company
CELL.: 00 2 0121367310

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