API 550PT4 : 2ED 84
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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STEAM GENERATORS
01-05-1997
12-01-2013
Describes instrumentation and control systems applicable to steam generating units in petroleum processing plants. Measurements, control systems, protective instrumentation, and programmed burner ignition systems are discussed, specifically steam generating units of either the field-erected or shop-fabricated design having a pressurized (forced draft) type furnace with integral burners. Only the gas and liquid fuels are covered. This publication is now out of print.
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