Mounting The Valve; Installing The Valve Into The Pipeline - Samson 3241-1-Gas Mounting And Operating Instructions

Note
The plant operator is responsible for clean-
ing the pipelines in the plant.
Î Check any mounted pressure gauges to
make sure they function properly.
Î When the valve and actuator are al‑
ready assembled, check the tightening
torques of the bolted joints (u AB 0100).
Components may loosen during trans‑
port.

5.3 Mounting the valve

SAMSON Type 3241G Valves are delivered
ready for use. Valve and actuator are deliv‑
ered ready mounted. Proceed as follows for
assembly and to prepare for start‑up of the
valve.
NOTICE
!
Risk of valve damage due to excessively
high or low tightening torques.
Observe the specified torques on tightening
control valve components. Excessively tight-
ened torques lead to parts wearing out
quicker. Parts that are too loose may cause
leakage.
Î Observe the specified tightening torques
(u AB 0100).
NOTICE
!
Risk of valve damage due to the use of un-
suitable tools.
Î Only use tools approved by SAMSON
(u AB 0100).
EB 8020 EN
5.3.1 Installing the valve into
the pipeline
NOTICE
!
Premature wear and leakage due to insuffi-
cient support or suspension.
Î Support or suspend the valve sufficiently
at suitable points.
1. Close the shut‑off valves in the pipeline
at the inlet and outlet of the plant section
while the valve is being installed.
2. Prepare the relevant section of the pipe‑
line for installing the valve.
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 the
'Lifting the valve' section). Observe the
flow direction through the valve. The ar‑
row on the valve indicates the direction
of flow.
5. Make sure that the correct flange gaskets
are used.
6. Bolt the pipe to the valve free of stress.
7. Attach a support or suspension on the
valve, if necessary.
Installation
5-3