Tekno Valves manufactures Twin Phase Valves with Stainless Steel Diaphragm. 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 Twin Phase Valves with Stainless Steel Diaphragm has Valve having two outlets, one for discharge of vapour phase and other for liquid phase [Valve inlet hole connected to liquid outlet port must be fitted with dip tube]. The Twin Phase Valves with Stainless Steel Diaphragm consists of Lens washer between lubricated spindle and tip holder reduces friction between diaphragm and spindle assuring long wear resistance service life.