Tekno Valves manufactures Breathable Air Valves with Nylon 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 Breathable Air Valves with Nylon Washer are designed with self locking hand wheel which prevents accidental closure of the valve during use. The Breathable Air Valves with Nylon Washer consists of Valve operating mechanism designed in proven O-ring seal design for long and maintenance free service life. Valve outlet conforms to EN 144-2 for 300 Bar application and EN 144-2 or IS: 7302 [Type A] for 200 Bar application.