- crosshead assembly
- crosshead locking nut
- crosshead pin
- crosshead body
- piston ring
- rider ring
- guide ring
- back-up ring
- MUSHROOM－shape VALVE
- SPRING VALVE
- concentric valv
- COMPRESSOR AIR VALV
- PEEK VALVE
- oil scraper ring
- wiper ring
- oil blocking ring
- packing case
- Stuffing box
- packing seal
- packing box
- packing gland
- sealing ring
- gasket ring
- packing ring
- throttle ring
- chocking ring
- crankshaft
- crank axle
- bent axle
- piston rod
- piston body
- piston
- locking nut
- connecting rod
- upper bearing shel
- lower bearing shell
- connecting rod bolt
- connecting rod nut
- valve plate
- peek valve plate
- spring valve plate
- reticulated valve
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