Flowserve ISC2 Series Bedienungsanleitung PDF herunterladen (Seite 13)

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overstress these components, e.g. the max permitted tightening

torque must not be exceeded.

.8 Assemble the equipment per manufacturer specifications. Avoid

pipe strain. Align the coupling per manufacturer specifications.

.9 With the impeller, shaft, coupling and bearings in their final oper-

ting position, tighten the drive collar set screws. See Figure 4.

Recommended ISC2 seal minimum set screw

torque by size range:

Seal inch

1.000 - 2.500 2.625 - 2.750 2.875 - 8.000 2.875 - 8.000

Size (mm) (25 - 60) (67 - 70) (75 - 203) (75 - 203)

Gland Size All All Standard Bore Enlarged Bore

Torque

40 in-lbs 120 in-lbs 150 in-lbs 240 in-lbs

(4.5 N-m) (13.5 N-m) (16.9 N-m) (27.1 N-m)

Inaccurate tightening of these screws can lead to unsafe situa-

tion as mechanical seal may move out of the seal chamber when

pressure is applied.

Figure 5

Figure 4

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Flowserve ISC2 Series Bedienungsanleitung Seite 13