Packing seal having at least two axially adjacent segment rings
Packing seal with dynamic self-adapting lip
Piston and piston ring assembly
Piston assembly and method of manufacture
Piston assembly for walking beam compressor
Piston assembly with piston ring support and sealing member
Piston oil ring having land flanked by concave sidewalls
Piston ring
Piston ring
Piston ring
Piston ring
Piston ring
Piston ring
Piston ring
Piston ring
Piston ring
Piston ring
Piston ring and combination of compression rings
Piston ring and method for the production thereof
Piston ring and method of manufacturing the same