Flowserve PSS II Durametallic Manuel d'utilisateur télécharger pdf (Page 6)

Notes for Figure 3:

 • Recommendationsareforuseinwaterorothersimilarviscosityliquids.

 • Theserecommendationsapplytoproductshavingamaximumtempera- 

ture of 71°C (160°F).

 • Onverticalequipment,usePlan13toventthesealareaevenwhen 

operating in zone B

Cooling Recommendations for PSS II Figure 3

Ifthesealrunshot,checkforpropersealsetting,seeStep7,andchecktheush

line for obstructions.

For special problems encountered during installation, contact your nearest

FlowserveSalesandServiceRepresentativeorAuthorizedDistributor.

Operational Recommendations

Do not start up the equipment dry.Ventairfromthestufngboxbefore

startup.Circulatecleanproduct,Plan11,oracleanuidfromanexternalsource,

Plan32,throughthesealchamberwhenevertheequipmentisinoperationun-

lessoperatinginZoneBofFigure3wherenoushisrequired.

3600

2700

1800

900

RPM

By-pass flush Plan 11, or

Externa

Not Recommended,

Exceeds PSS II

Speed Limitations

Seal Size

Zone

Zone C

(38.1 to

50.8 mm)

1.500 to

2.000"

(54.0 to

76.2 mm)

2.125 to

3.000"

(79.4 to

101.6 mm)

3.125 to

4.000"

(104.8 to

127.0 mm)

4.125 to

5.000"

(130.2 to

152.4 mm)

5.125 to

6.000"

Flush Recommended to Keep Stuffing Box Clean

No Flush Required for Cooling of Seal, Vent Required

Can be Run Dead-Ended Plan 02

Zone B

1 2 3 4 5 6 7 8

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Flowserve PSS II Durametallic Manuel d'utilisateur Page 6

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