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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 crankshaft is connected to drive, to transfer the rotary motion.
When force lubrication is used, drilled oil passage is provided in the crankshaft.
Radial Ring or Pressure Breaker Ring径向环或压力断路器环
The radial ring or pressure breaker ring is cut into three segments so that each cut
lies on the side of a radial direction of the ring. The cuts in the ring are used to
break down the pressure act on the ring. The radial ring is the first ring of road
packing to face the cylinder pressure.
The compressor can use narrow piston, due to the use of narrow piston larger valve area for greater efficiency.
Rod Packing活塞杆填料
Rod packing is required to prevent the gas leakage along the piston rod where it
passes through the crank end cylinder closure.
Cylinders气缸
The cylinder is a pressure-retaining part of the reciprocating compressor. The cylinder accommodates both suction and discharge valves. For smaller capacity reciprocating compressor (up to 100kW), the cylinder is directly connected to compressor frame. For larger capacity reciprocating compressor (above 100kW), the cylinder is connected to compressor frame through distance piece.
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