Flowserve Nordstrom Dynamic Balance Plug Valve and Double DB Manual de usuario descargar pdf (Pagina 3)

7 Technical Data 23

7.1 Part Identiﬁcation Reference 23

.2 Exploded Views 24

7.3 D

etail Sketches 25

8 Procedure for Tightening Cap Screws and Nuts 29

9 T

ables 30

Figures

Figure 1 – Illustration of typical nameplate 12

Figure 2 – Location of Relief Fitting 13

igure 3 – Gauge 16

igure 4 – Wrench-Operated Valve 24

igure 5 – Stem End Detail: Wrench-Operated Valve 25

igure 6 – Stem End Detail: Gear-Operated with Bolt-on Gear Flange 25

igure 7 – Stem End Detail: Gear-Operated with Cast On Gear Flange 26

igure 8 – Cover End Detail: Size 6 and Larger with Pressure Seal Arrangement 27

igure 9 – Cover End Detail: Size 6 and Larger with Spring Disk Arrangement 27

igure 10 – Cover End Detail: Size 6 and Larger with Ball Seat Arrangement 28

igure 11 – Cover End Detail: Size 4 and Smaller 28

igure 12 – Bolt-tightening patterns 29

Tables

Table 1– Size 4 and Smaller Valve Gland Bolting 30

Table 2 – Size 4 and Smaller Valve Cover Bolting 30

able 3 – Size 6 and Larger Valve Pressure Retaining Bolting (all parts) 30

able 4 – Plug Adjusting Screw Torque Values 31

able 5 – Sealant Capacities 32

1 2 3 4 5 6 7 8 ... 35 36

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Flowserve Nordstrom Dynamic Balance Plug Valve and Double DB Manual de usuario Pagina 3