Compressor Basics Components Poppet Valve NEA
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关 键 词：Basics,Components,Compressor
行 业：机械 泵 往复泵
发布时间：2021-10-24
Both the Compressor manufacture and the Purchaser should ensure the Rod load maximum value to know the reciprocating compressor limits. Also, the rod load curves and peak rod load/reversal values provide an important insight to predict the health of a reciprocating compressor.
Bearing
The main and connecting rod bearings should be split-sleeve, steel-backed, babbitted
insert type. Antifriction bearing shall be used for compressor rating less than
150kW. As per API-618 trapper roller bearings are used as the main bearing for
compressor rating less than 150kW.
If rod packing cooling needed, the stuffing box is jacketed for liquid coolant.
Reciprocating Compressor Basics Components
Permits a longer stroke and greater capacity.
Separates crankcase from the cylinder, allowing control of oil carryover into the cylinder.
The crankshaft is connected to drive, to transfer the rotary motion.
When force lubrication is used, drilled oil passage is provided in the crankshaft.
For lubricated service, metallic rings such as cast iron or bronze as well as non-metallic materials such as filled nylon are used. Nowadays the compressor manufacturers preferred non-metallic materials because of less weight and lower frictional force when compared with metallic rings.
