SPGO Piston Seal (BSF)

Cap seal for pistons: Bronze-filled PTFE / NBR or FKM, 70 Shore, up to 40 MPa (400 bar), −30 °C to +220 °C.

Material: Bronze-filled PTFE / NBR or FKM
Application: Piston
Max. Pressure: 40 MPa (400 bar)
Temperature: −30 °C to +220 °C

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A cap seal is a bronze-filled PTFE ring pressed against the sliding surface by a rubber energiser. It runs with very low friction and no stick-slip, and lasts well at higher speeds. Material: Bronze-filled PTFE / NBR or FKM.

It is rated for pressures up to 40 MPa (400 bar) and temperatures from −30 °C to +220 °C, at sliding speeds up to 4 m/s.

Burhani Seal Centre supplies this cap seal from Burra Bazar, Kolkata. Send the size, the old part or a photo on WhatsApp and we will confirm the match, price and stock.