Flowserve ST Series Manuel d'utilisateur télécharger pdf (Page 2)

1 Equipment Check

1.1 Follow plant safety regulations prior to equipment disassembly:

 • ConsulttheplantMaterialSafetySheet(MSDS)les  

for hazardous material regulation.

 • Wear designated personal safety equipment.

 • Lock out the mixer or agitator motor and valves to and

from the vessel and seal.

 • Relieve any pressure in the vessel.

 • Useplantvessel entry procedure if it is necessary

to enter the vessel.

1.2 Secure the mixer or agitator shaft in accordance

with the mixer or agitator manufacturer's instructions.

1.3 Remove the coupling and/or drive to access the seal area.

Follow the manufacturer's instructions.

1.4 Remove the existing seal assembly.

1.5 Remove all burrs and sharp edges from the shaft and vessel

angeareaoverwhichanO-ringmustslide.Theshaftandvessel

angemustbefreeofburrs,sharpedges,cuts,dents,andcorro-

sionthatmayprovidealeakagepathpasttheO-ringsasillustrated,

forexample,byO-rings18and19asmaybeseeninFigure1.

ST O-ring Gaskets Figure 1

The images of parts shown in these instructions may differ visually from the actual

parts due to manufacturing processes that do not affect the part function or quality.

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Flowserve ST Series Manuel d'utilisateur Page 2