One of the most frequent and serius problems associated with valves is of gland leakage. This results in loss of medium, energy and increases plant downtime.One of the most frequent and serius problems associated with valves is of gland leakage. This results in loss of medium, energy and increases plant downtime.Apart from the high cost of energy, gland leakages can also cause serious environmental, ecological and health hzards to plant workers and personnel.Leakage of sensitive material can also contribute to a fire hazard,explosion, or damage the equipment.Gland packed valves often need continuous maintenance. The bellow seal valves give a complete solution for such problems.