Jordan Valve I & M Mark EW Series, Installation & Maintenance Instructions Manual, Page: 4 / 17

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Table 1: Body-to-Bonnet Bolt Torque Guidelines
Body Size, Inches
Bolt Torques
Nonlubricated Bolting Stud Bolt Nuts Factory Lubricated
Ft•Lb N•m Ft•Lb N•m
8 x 6 Class 300 or 600 400 545 300 407
Class 900 970 1315 --- ---
12 x 6 400 545 300 407
10 x 8 550 745 --- ---
12 x 8 Class 300 or 600 540 732 --- ---
Class 900 2000 2712 --- ---
Table 2: Packing Flange Nut Torque Guidelines
Valve Stem Dia. ANSI
Class
PTFE Type Packing GRAPHITE Type Packing
Min. Torque Max. Torque Min. Torque Max. Torque
Inches mm Lb•in N•m Lb•in N•m Lb•in N•m Lb•in N•m
1/2 12.7 300 28 3 42 5 59 7 88 10
600 39 4 58 7 81 9 122 14
3/4 19.1 300 64 7 95 11 133 15 199 23
600 87 10 131 15 182 21 274 31
1 25.4 300 108 12 162 18 226 26 339 38
600 149 17 223 25 310 35 466 53
1-1/4 31.8 300 152 17 228 26 318 36 477 54
600 209 24 314 36 437 49 655 74
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