Flowserve Nordstrom Dynamic Balance Plug Valve and Double DB Plug Valve - Manual (Page 3)

7 Technical Data 23
7.1 Part Identification Reference 23
7.2 Exploded Views 24
7.3 Detail Sketches 25
8 Procedure for Tightening Cap Screws and Nuts 29
9 Tables 30
Figures
Figure 1 – Illustration of typical nameplate 12
Figure 2 – Location of Relief Fitting 13
Figure 3 – Gauge 16
Figure 4 – Wrench-Operated Valve 24
Figure 5 – Stem End Detail: Wrench-Operated Valve 25
Figure 6 – Stem End Detail: Gear-Operated with Bolt-on Gear Flange 25
Figure 7 – Stem End Detail: Gear-Operated with Cast On Gear Flange 26
Figure 8 – Cover End Detail: Size 6 and Larger with Pressure Seal Arrangement 27
Figure 9 – Cover End Detail: Size 6 and Larger with Spring Disk Arrangement 27
Figure 10 – Cover End Detail: Size 6 and Larger with Ball Seat Arrangement 28
Figure 11 – Cover End Detail: Size 4 and Smaller 28
Figure 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
Table 3 – Size 6 and Larger Valve Pressure Retaining Bolting (all parts) 30
Table 4 – Plug Adjusting Screw Torque Values 31
Table 5 – Sealant Capacities 32