Type “B” Piston Cups

Type “B” piston cups are made from a special nitrile compound which is reinforced with the finest cotton duck or leather. Their low friction design is effective with air, water, oils and low pressure steam.
Applications include pressure relief valves the main and gate cylinders in pulp wood grinders and hydraulic jacks in rolling mills. Type “B” piston cups are available in all standard diameters to 60″ outside diameter.