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The
standards for compressors are set down by the International
Organization for Standardization (ISO) around the
world. The most powerful national body is the American
National Standardization Institute (ANSI). Most of
the other national bodies have standards which are
basically adapted from the ones set by these two.
The ISO has a technical committee (TC 118) which is
dedicated to process compressors.
The standards set by these two bodies are in the following
fields:
These provide standard provisions for the procedure,
preparation, evaluation and assessment of performance
tests which are carried out on various compressors.
After this, is the acceptance test which is based
on the performance test code. Acceptance tests demonstrate
the fulfillment of the guarantees and order conditions
specified on the product.
The other ISO and ANSI standards are product-specific
varying as per product. The standards generally specify
the requirements and give the recommendations for
the material, design, fabrication, testing, inspection
and preparation. They also provide the arrangements
to be made in case of transporting and shipping the
compressor.
This is one of the primary concerns for all units.
The ANSI and the ISO provide detailed safety procedures
and essentials for the proper and safe usage of these
machines. The safety requirements enlist the type
of equipment to be used while handling compressors,
the power ratings of electrical supply, the maximum
temperature and the pressure which the unit can sustain
and other such conditions.
In
addition to the tests and procedures mentioned above
there are some other standards too which might be set
by the local bodies. In India the duty of standard formulation
for compressors falls to the Mechanical Engineering
Department (MED) of the Bureau of Indian Standards (BIS)
which was formerly known as the Indian Standards Institute
(ISI). As the MED is a member of ISO's TC118 most of
the Indian standards are similar to those mentioned
above. |
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