TTV Wafer all Teflon lined butterfly valve 
 Working pressure: 16BAR 
 Flange connection: DIN2501-PN10/16-ANSI 150 LBS 
 Design Standard: EN593 
 GB / T 12238 
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 Nominal Diameter: DN40-DN600 
 Applications: petroleum, chemical, food, medicine, energy 
 Temperature: -79 ℃ to 180 ℃ (can be different due to material changes) 
 Structure Length: GB / T 12221 J1 Series 
 ISO 5752 Short, series20 
 BS5155 Wafer Short / Medium 
 DIN 3202 Part3, series K1 
 Top flange: ISO 5211 
 Body material: ductile iron, carbon steel, stainless steel 
 Disc material: PTFE, PFA, F46, UHMWPE, etc. 
 Stem Material: Stainless Steel 
 Onset of material: PTFE, PFA, 
 F46, UHMWPE, etc. 
 Transmission: manual, worm move, electric, 
 Pneumatic, hydraulic, electro-hydraulic linkage, etc. 
 Leakage class: PATEA EN 12266-2 (zero leakage) 

 CDs of the series can meet all the needs of the valve: size, material, or international manufacturing standards. 
 Production range from DN 40 toDN 2000.Larger sizes available upon request. 
 Size from DN40 to DN2000, larger diameter according to customer needs making. 
 Large availability of construction materials: nodular iron, stainless steel, bronze and other special alloys 
 Many materials available: cast iron, stainless steel, copper and other special alloys. 
 Designs according to any international standard.We Have the most important industry certifications and are regularly audited by the most prestigious certification organizations. 
 Valve is designed to meet all international standards, we have all the most important industrial product certification, and by the most authoritative quality inspection agency routine examination. 
 For the last twenty-five years our Research and Development Department has developed valves for extreme applications, for example: 
 -Teflon valves 
 -High temperature metal metal seated valves 
 -Leak-tight metal seated valve 
 After 25 years, our R & D department developed the valve can be used in extreme environments, including the following: 
 - Teflon Valves 
 - High temperature metal seated valves 
 - Double eccentric metal seated valves 
 TEFLON VALVE 
 For services in which standard elastomers cannot be used, TTV offers this design aimed especially at the chemical, pharmaceutical, cosmetic and food industries. 
 Teflon valve 
 Can not use the standard rubber seal in the case, TTV recommended specifically for the kinds of chemicals, pharmaceuticals, cosmetics and food industry design the valve. 

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