01) Horizontally split casing compressor.
In a horizontally split casing type compressor.
the cylindrical casing is divided into two halves i.
e the upper half and the lower half.
These two are joined along the centreline by bolting.
Because of the bolting and sealing limitation at the split it cannot sustain high pressure.
thus it is used where the gas operating pressure is less than 60 bars (870 psi).
In these types the advantage is maintenance of internal items can be done by only removing the upper half.
For this most of the piping connection except main process in/out connection is given in lower half.
02) Vertically split casing compressors.
Vertically split casings are formed by a cylinder closed by two end covers.
also referred as barrel.
The advantage of the vertically split joint is its high-pressure capability due to the one-piece construction and conventional,
proven flange type seals at each end.
These machines which are generally multistage are used for high pressure services up to 680 bar (9900 psi)...
03) Compressor with bell casing..
This is a type of vertical split or barrel compressors..
Used for high pressures..
these have bell shaped casings and are closed with shear rings instead of bolts....
The main process in/out connection is preferred in lower half but it may present in upper half also.
04) Pipeline compressor..
These have bell..
shaped casings with a single vertical end cover. ..
They are generally used for natural gas transportation...
They normally have side suction and delivery nozzles positioned opposite each other to facilitate installation on gas pipelines..
Axial inlet is also available when the pressure ratio allows for a single impeller...
These are generally designed for pressure up to 100 bar (1400psi).
Which casing is used for high pressure & low pressure Centrifugal compressor.
Compressor centrifugal casing bcl.
centrifugal compressor internal parts.
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centrifugal compressor overhauling.
centrifugal compressor troubleshooting.
centrifugal compressor types.
compressor repair.
dry gas seal.
dry gas seal detail.
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4 окт 2023
