Flowserve PSS II Durametallic Instrukcja Użytkownika Pobierz pdf (Strona 2)

While the PSS II has been designed for rugged industrial application and

ease of installation, it does require assembly in a clean environment

according to the following installation steps. No setting dimensions or

measurements are required to install the seal.

Seal Reference Figure 1

Shaft and

Seal Size

Seal

Drive

Stationary

Face

Centering

Device

Set

Screw

Rotating

Face

4.8 mm (.19 inches) maximum

2.5 mm (10 inches) minimum

Pin Extension

1 - NPT

for Flushing

Gland

Seal Chamber Requirements Figure 2

To first obstruction

Face of seal housing to be square to the axis

of the shaft to within 0.015 inches per inch of

seal chamber bore (0.38 mm) FIM and have a

√63

μinch (1.6 μm) R finish or better

Concentric to within 0.015 inch (0.38 mm) FIM

of shaft or sleeve OD

Seal housing bore to have √125 μinch

(3.2 μm) R finish or better

Sleeve or shaft finish to be

32 μinch (0.8 μm) R or better

Shaft or sleeve OD

+0.001 inch (+0.025 mm)

-0.002 inch (-0.050 mm) ANSI

• Bearings must be in good condition

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

• Maximum shaft runout at face of seal housing = 0.004 inch (0.10 mm) FIM

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

45°

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 PSS II Durametallic Instrukcja Użytkownika Strona 2

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