Flowserve Tandem Seal Bedienungsanleitung PDF herunterladen (Seite 2)

1. Equipment Check

1.1 Follow plant safety regulations:

 • lockoutmotorandvalves.

 • weardesignatedpersonalsafetyequipment.

 • relieveanypressureinsystem.

 • consultplantMSDSlesforhazardousmaterialregulations.

1.2 Adjust the bearings, coupling, and impellersothattheshaftisinits

operatingaxialposition.Disassemble equipment to allow access to

seal installation area.

1.3 Removeallburrsandsharpedgesfromtheshaftandsleeveincluding

sharpedgesofkeywaysandthreads.Replacewornshaftorsleeve.Make

surethesealhousingbore,face,andsealinguidushtapsareclean

andfreeofburrsandsharpedgesthatmightdamageO-rings,V-rings,or

Duraexrings.

1.4 Check requirementsforshaft,sleeve,andsealhousing,seeFigure1.

1.5 Check assembly drawingincludedwiththeTandemsealorspecicseal

design,materialsofconstruction,dimensions,andpipingconnections.

1.6 Check shaft or sleeve OD, box depth, box bore, and distance to the

rst obstructiontoensurethattheyaredimensionallythesameasshown

onthesealassemblydrawing.

Seal Chamber Requirements    Figure1

To first obstruction

Face of seal housing to be square to the

axis of the shaft to within 0.0005 mm/mm

(0.0005 inch/inch) of seal chamber bore TIR

and have a 1.6

μm (63 μinch) R finish or better

Gland pilot can be at either of these

0.125 mm (0.005 inch) of shaft or

sleeve OD TIR

Sleeve or shaft finish to be

0.8 μm (32 μinch) R or better

Scribe

Mark A

Shaft or sleeve OD

+0.000 mm (+0.000 inch)

-0.050 mm (-0.002 inch)

+0.000 mm (+0.000 inch) API 610/682

-0.025 mm (-0.001 inch) DIN/ISO

• Bearings must be in good condition

• Maximum lateral or axial movement of shaft (end play) = 0.25 mm (0.010 inch) TIR

• Maximum shaft runout at face of seal housing = 0.05 mm (0.002 inch) TIR

• Maximum dynamic shaft deflection at seal housing = 0.05 mm (0.002 inch) TIR

Scribe

Mark B

Seal housing bore to have 3.2

(125

inch) R finish or better

ANSI

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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