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Poppet Valves are not tolerant of uneven flow distribution. The poppet valve is used
in a medium pressure range compressor. Nowadays these types of valves are used in
hydrocarbon service because of easy maintenance.
The connecting rod is made up of forged steel for 150 kW (200 hp) reciprocating
compressor. For compressor less than or equal to 150kW, ductile iron material is
used.
Connecting Rod连杆
Purpose of the connecting rod is to connect the crankshaft and the crosshead. The
connecting rod converts the rotary motion into reciprocating motion. The connecting
rod bolts and nuts shall be securely locked with cotter pins or wire after assembly.
Like Crankshafts, the connecting rod has drilled hole for oil passage.
The crankshaft is connected to drive, to transfer the rotary motion.
When force lubrication is used, drilled oil passage is provided in the crankshaft.
Tangent Ring Radial Ring or Pressure Breaker Ring Backup ring.
In the case of lubricated cylinders, the distance piece prevents also keep a synthetic lubricant in a cylinder from being corrupted by the crankcase lubricant.
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