REPLACEABLE RUBBER PISTON
STL replaceable rubber pistons are made with nitrile rubber to resist extrusion and abrasion. These pistons are fully interchangeable with most other manufacturers' products. Available sizes range from 3" through 7-1/2" and series are A, BK and L.
Features
• High tensile strength.
• Rated for all drilling operations.
• Maximum operating temperature is 250°F.
• Extended service life.