SECTION 8 Pressure-Retaining Equipment

801. Pressure vessels

1. The requirements in this article are to apply to accumulators, heat exchangers, pulsation dampeners, oil-gas separators, mud-gas separator, degasser.

2. Pressure vessels are to be designed, constructed, and tested in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Div. 1 or Div. 2. Alternative design codes and standards will be specially considered by the Society with justifications in accordance with Ch 1, Sec 1, 103.

3. Well test oil/gas separators are to be in accordance with the requirements of API Spec 12J.

4. Materials are to be in accordance with Ch 3, Sec 1.

5. Welding and non-destructive examination are to be in accordance with Ch 3, Sec 2.

6. The design is also to ensure that stresses due to acceleration forces arising out of the motion of the installation, stresses due to external nozzle loads and moments, and stresses due to any other applicable external forces, such as winds, are within the limits allowed by the design code.

7. All pressure vessels, accumulators, heat exchangers, and separators are to be suitably supported and properly secured to skid structure or rig floor.

802. Hydraulic cylinders

1. Design and manufacturing are to be based upon the strength criteria of the ASME Boiler and Pressure Vessel Code, Section VIII, Div. 1 or Div. 2, National Fluid Power Association or other recognized standards.

2. Hydraulic cylinders that are part of overhead hoisting equipment are to be in accordance with 603.

5.

3. Materials are to be in accordance with Ch 3, Sec 1.

4. Welding and non-destructive examination are to be in accordance with Ch 3, Sec 2.