Device and method for fixing a piston or a piston rod...
Device for circulating sealing gas for mechanical dry seals...
Device for connecting a plunger at its crank end to a connecting
Device for coupling a lever to a shift cylinder piston
Device for supporting and for at least contributing to the...
Disjoinable assembly designed for connecting of piston with pist
Double rod end cylinder with split ring coupling
Dual alloy piston and method of manufacture
Dual gallery piston
Dual gallery piston
Dynamic seals for gas and oil well swabs