Flowserve Double-Disc Gate Valve Sizes 2.5 Manual de usuario Pagina 11

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Anchor/Darling Double Disc Type Gate Valves FCD ADENIM0003-01 - 07/14
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Table 1 Recommended packing gland bolting torques (ft-lb) - dd gate valves
150 Pressure Class
Valve Size Gland Bolt Size Stem Diameter Packing Size Bolt Torque Packing I.D. Packing O.D
2.5 0.5 0.875 0.25 15 0.875 1.375
3 0.5 1.25 0.375 32 1.25 2
4 0.5 1 0.25 16 1 1.5
6 0.5 1 0.25 16 1 1.5
8 0.75 1.25 0.25 29 1.25 1.75
10 0.75 1.25 0.25 29 1.25 1.75
12 0.75 1.625 0.5 83 1.625 2.625
14 0.75 1.625 0.375 59 1.625 2.375
16 0.75 1.75 0.5 88 1.75 2.75
18 0.75 1.875 0.375 66 1.875 2.625
20 0.75 2 0.375 70 2 2.75
22 0.75 2 0.375 70 2 2.75
24 0.75 2 0.375 70 2 2.75
300 PRESSURE CLASS
Valve Size Gland Bolt Size Stem Diameter Packing Size Bolt Torque Packing I.D. Packing O.D
2.5 0.5 0.875 0.25 15 0.875 1.375
3 0.5 0.875 0.25 15 0.875 1.375
4 0.625 1.25 0.375 40 1.25 2
6 0.625 1.375 0.375 43 1.375 2.125
8 0.625 1.5 0.375 46 1.5 2.25
10 0.625 1.375 0.375 43 1.375 2.125
12 0.75 1.5 0.5 79 1.5 2.5
14 0.75 1.625 0.375 59 1.625 2.375
16 0.75 1.75 0.5 88 1.75 2.75
18 0.75 2 0.5 98 2 3
20 0.75 2 0.5 98 2 3
22 0.75 2.125 0.375 74 2.125 2.875
24 0.875 2.375 0.5 132 2.375 3.375
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