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Valve气阀
Reciprocating compressors generally use one of three types of valve configurations:
The crosshead pin should have a replaceable bush bearing.
The Figure shows a drilled crankshaft.
Crankshafts should have removable balance weights to compensate the rotary unbalance
as well as reciprocating unbalances. The crankshaft should be dynamically balanced
when above 800 rpm.
Cross Head十字头
All industrial compressors are equipped with crosshead. The crosshead is used to
guide the piston in the cylinder bore. The following are the advantage of the crosshead.
The packing rings are the important element of rod packing assembly. The below-listed
packing rings are widely used in a reciprocating compressor.
For a horizontally mounted cylinder, along with piston rings, an additional ring called wear band or rider ring is used to lower the wear between cylinder and piston.
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