GENERAL ELECTRIC GENERATING PLANTS Part 9 pptx

MIL-HDBK-1003/11

12.4.2 Anchor and Support Types. The following describes anchor and

support types:

a) For moderate vertical movements, use spring hangers with

provisions for adjustment.

b) For large vertical movements, use compensating spring or

counterpoint hangers.

c) For resilient or vibrating conditions, use nonresonant,

constant-support, sway hangers.

d) Anchor reactions are obtained from flexibility calculations.

12.5 Welding. For welding of pipe joints, refer to ANSI B31, the American

Society of Mechanical Engineers (ASME), Boiler and Pressure Vessel Code SEC

9, Qualification Standards for Welding and Brazing Procedures and

NFGS-15711.

12.6 Flows and Recommended Velocities. Refer to NAVFAC DM-3.08 for flows

and recommended velocities.

12.7 Valves and Specialties. Refer to NAVFAC DM-3.06, Central Heating

Plant, for valves and specialties.

57