Seals are made of Fluorinated Polymer and fortified with either glass fitber or bronze flakes used in combination with an elastomer O-Ring.  This is revolutionary concept in positive long-wearing piston seals for reciprocating hydraulic or pneumatic cylinders.  A Loader Ring forces a better seal.

Seals are made of Fluorinated Polymer and fortified with either glass fiber or bronze flakes used in combination with an elastomer O-Ring.  This is a revolutionary concept in positive long-wearing piston seals for reciprocating hydraulic or pneumatic cylinders.  A loader ring forces a better seal.