Abstract： ASME B19.3:1991 pdf download.SAFETY STANDARD FOR COMPRESSORS FOR PROCESS INDUSTRIES. Guards shall be made of solid materials, with or without a liner, when necessary to meet the area classification (NFPA 70 and)or similar governing document...

ASME B19.3:1991 pdf download.SAFETY STANDARD FOR COMPRESSORS FOR PROCESS INDUSTRIES.

Guards shall be made of solid materials, with or without a liner, when necessary to meet the area classification (NFPA 70 and)or

similar governing document).

Guards shall be securely fastened to the machine supporting structure or to the machines themselves.

Guard construction shall be such that heat buildup or concentration of corrosive materials will no adversely affect the parts being guarded or personneL

2.2 Operating Practices

2.2.1 Rotating equipment shall not be placed in regular operation unless all safety features required by this Standard are in

place.

2.2.2 A check of emergency or safety trip devices on compressor equipment shall be included as part of regularly scheduled

maintenance.

Any safety device required by this Standard shall not be jumpered, bypassed, or defeated by any person. In the event that shutdown of the system would impose a more hazardous condition, the owner shall install a backup system drive train to maintain safe

operation of the overall plant.

2.2.3 Inlet piping to compressors or drivers, surge chambers, disengaging drums or scrubbers, and cylinders or casings shall be

drained prior to startup.

2.2.4 The flywheel or crankshaft of a reciprocating compressor shall be locked in place prior to maintenance work. After mechanical work of any kind has been completed on a compressor, it shall be barred over sufficiently (at least one revolution) to ensure that there are no mechanical interferences within the compressor os driver.

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