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Samson 3724 User Manual

Samson 3724
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EB 8048-2 EN 5-7
Installation
3. Remove the protective caps from the
valve ports before installing the valve.
4. Lift the valve using suitable lifting equip-
ment to the site of installation (see infor-
mation under 'Lifting the valve' in the
'Shipment and on-site transport' section).
Observe the ow direction through the
valve. The arrow on the valve indicates
the direction of ow.
5. With welding ends: completely retract
the actuator stem to protect the plug from
sparks during welding.
With threaded, clamp or anged con-
nections: make sure that the correct gas-
kets are used.
6. Bolt, weld or clamp the valve to the pipe
free of stress.
7. Attach a support or suspension on the
valve, if necessary.
5.4 Testing the installed valve
Risk of bursting due to incorrect opening of
pressurized equipment or components.
Valves and pipelines are pressure equipment
that may burst when handled incorrectly.
Flying projectile fragments or the release of
process medium under pressure can cause
serious injury or even death.
Before working on the control valve:
Î Depressurize all plant sections affected
and the valve (including the actuator).
Release any stored energy.
Î Drain the process medium from all the
plant sections concerned as well as the
valve.
Risk of personal injury due to pressurized
components and process medium being
discharged.
Î Do not loosen the screw of the test con-
nection while the valve is pressurized.
Risk of hearing loss or deafness due to loud
noise.
Noise emission (e.g. cavitation or ashing)
may occur during operation caused by the
process medium and the operating condi-
tions. Additionally, a loud noise may briey
occur through the sudden venting of the
pneumatic actuator or pneumatic valve ac-
cessories not tted with noise-reducing t-
tings. Both can damage hearing.
Î Wear hearing protection when working
near the valve.
Crush hazard arising from actuator and
plug stem moving in pneumatic control
valves with Type3271 or Type3277 Actua-
tor.
Î Do not insert hands or nger into the
yoke while the air supply is connected to
the actuator.
DANGER
!
WARNING
!
WARNING
!
WARNING
!
WARNING
!

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Samson 3724 Specifications

General IconGeneral
BrandSamson
Model3724
CategoryValve Positioners
LanguageEnglish

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