Flowserve BB 1 Bedienungsanleitung PDF herunterladen (Seite 20)

Maintenance – continued –

BB 2... Changing springs – continued –

Tools

■ Spanner socket A. F. 17, 19, 22, 24 mm to DIN 3124

■ Hinged face spanner A. F. 2-8 mm (for valves with polymer/hard rubber lining)

■ Torque spanner 10-60 Nm, 60-120 Nm, DIN ISO 6789

Align semicircular plates. Insert and tighten threaded

bolts.

Mount dual-plate check valve BB 2...

9 0

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 26 27 28

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Flowserve BB 1 Bedienungsanleitung Seite 20