Samson 3349, Mounting And Operating Instructions

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1-8 EB 8048-2 EN
Safety instructions and measures
NOTICE
!
Risk of leakage and valve damage due to excessively high or low tightening torques.
Observe the specified torques when tightening control valve components. Excessive
tightening torques lead to parts wearing out more quickly. Parts that are too loose may
cause leakage.
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Observe the specified tightening torques (see the 'Tightening torques' section in An-
nex).
Risk of valve damage due to the use of unsuitable tools.
Certain tools are required to work on the valve.
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Only use tools approved by SAMSON (see the 'Tools' section in Annex).
Risk of valve damage due to the use of unsuitable lubricants.
The lubricants to be used depend on the valve material. Unsuitable lubricants may cor-
rode and damage surfaces.
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Only use lubricants approved by SAMSON (see the 'Lubricants' section in Annex).
Risk of the process medium being contaminated through the use of unsuitable lubri -
cants and/or contaminated tools and components.
Î
If necessary (e.g. for oxygen service), keep the valve and the tools used free from
solvents and grease.
Î
Make sure that only suitable lubricants are used.
1.4 Warnings on the device
Warning
symbols
Meaning of the warning
Location on the
device
Warning against moving parts
There is a risk of injury to hands or fingers through the
stroking movement of the actuator and plug stem if they are
inserted into the yoke while the air supply is connected to the
actuator.