Tekno Valves manufactures Wheel Operated Valves with Aluminium Safety Disc Washer. Tekno Valves is an ISO 9001:2000, ISO 9001:2008, ISO 10297:2006 and ISO TC/58/SC2 accredited company. The company manufactures High Pressure Gas Cylinder Valves. The Wheel Operated Valves with Aluminium Safety Disc Washer consists of Valve safety disc backed up with fusible alloy as per recommended safety arrangement for CNG cylinders for onboard application in vehicles. The Wheel Operated Valves with Aluminium Safety Disc Washer has Retainer plug tightened using special thread sealant to insulate and protect burst disc assembly from vehicular vibrations.