Process Vessels with Heating Jackets or Coils

1 Process Vessels with Heating Jackets or Coils 

Provide pressure reducing valves on steam lines to prevent higher pressure steam reaching the jacket or coils. Also provide safety valves on the jacket itself. Mechanical seals/water-cooled glands for agitator shafts. 

Flameproof motors if inflammable vapours can come out from the vessel. Other process vessels/units. 

Welded manhole covers instead of bolted covers which may leak at high pressure). 

Provision of expansion joints in the internal refractory lining. 

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