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Description / Abstract:
The purpose of the B133 standards is to provide criteria for the preparation of gas turbine
procurement specifications. These standards will also be useful for response to such
specifications.
The B133 standards provide essential information for the procurement of gas turbine power plants.
They appy to open-cycle, closed-cycle, and semi-closed cycle gas turbines with conventional
combustion systems for industrial, marine, and electric power applications. All auxiliaries needed
for proper operation are covered. Not included are gas-turbines applied to earth moving machines,
agricultural and industrial-type tractors, automobiles, trucks, buses and aero-propulsion units.
For gas turbines using unconventional or special heat sources (such as: chemical processes> nuclear
reactors, or furnaces for supercharged boilers), these standards may be used as a basis; but
appropriate modifications may be necessary.
The intent of the B133 standards is to cover the normal requirements of the majority of
applications, recognizing that economic trade-offs and reliability implications may differ in some
applications. The user may desire to add, delete or modify the requirements in this standard to
meet his specific needs, and he has the option of doing so in his own procurement specification.
The B133.5 standard applies mostly to gas turbine stations used for power generation. Appropriate
sections however, can be used where applicable for mechanical drive turbine stations. The size of
station considered in the B133.5 standard includes all electric utility size units but not small
power supplies of a semiportable nature.
Suggestions for improvement of this standard will be welcome. They should be sent to The American
Society of Mechanical Engineers, United Engineering Center, 345 East 47th Street, New York, NY
10017.
American National Standard B133.5 was approved by the B133 Standards Committee and final approval
by the American National Standards Institute was granted on November 21, 1978.