Piston Valves, Feature : Self-cleaning Self-lubricating, Asbestos Free Manufacturing

Energy Audits carried out by us at a large number of process plants reveal that in a typical 5 years old plant, over 30% of isolation valves leak. Valve glands and seats are the typical locations where leaking initiates. Forbes Marshall piston valves are glandless isolation valves which offer leak-proof sealing. A burnished piston seals against SS reinforced graphite rings to achieve a leak proof class VI shutoff.