Emerson Sempell series Installation And Maintenance Instructions

9
VALVE REMOVAL
To remove a valve from the line, it is necessary
to operate as follows:
1. Obtain permission to work.
WARNING
Depressurize the line before starting any
operation with the valve in open position.
Then close the valve.
2. During the valve cutting operation proceed
with care in order to prevent any damage
tothe seats.
3. After the removal, clean carefully the valve
and close the ends with plastic or wooden
discs.
LUBRICANTS AND SPECIAL TOOLS
Lubricants
It is recommended to lubricate the yoke nut,
if any, through the yoke nut lubricator every 2
months by using the following products:
• The bearings are lubricated with usual
lubrications for bearings.
• Smear the stem threads with Molykote.
• All other bolts and nuts are assembled with
usual lubricator or Molykote.
OPERATIONAL SAFETY INSTRUCTIONS (O.S.I.)
IN ACCORDANCE WITH PED REQUIREMENTS
According to PED-ESR, par. 3.3 and related, the
service pressure and temperature are indicated
on the nameplate fixed on the valve.
The Operation Safety Instructions (internal
document TD-PED-0020) are indicated in the
attached document (when applicable).
TABLE 3 - GREASE AND LUBRICANT LIST
Manufacturer Grease
AGIP GRMUEP2
API PGX2
BP GREASE LTX2
ESSO BEACON 2
FINA FINAGREASE HP FINAGREASE EPL2
MOBIL MOBILUX EP2
Q8 REMBRANDT EP2
SHELL ALVANIA R2 SUPERGREASE A
TEXACO MULTIFAK EP2 GREASE L2
TOTAL MULTIS EP2 MULTIS 2
VISCOL SIGNAL ROLSFER 2
STATOIL UHIWAYLI LI G2
SEMPELL HIGH PRESSURE FORGED GLOBE VALVES
INSTALLATION AND MAINTENANCE INSTRUCTIONS
Special tools
No special tool is required for the maintenance
operations described in this manual.

Emerson Sempell series Specifications

General

Brand	Emerson
Model	Sempell series
Category	Control Unit
Language	English