TTV pneumatic high-performance soft-sealing double eccentric butterfly valve 
 Working pressure: ≤ 25BAR 
 Flange connection: DIN2501-PN10/16/25-ANSI 150 LBS 
 Design Standard: EN593 
 GB / T 12238 
 Nominal Diameter: DN65-DN300 
 Applications: petroleum, chemical, food, medicine, energy 
 Temperature: -79 ℃ to 180 ℃ (can be different due to material changes) 
 Structure Length: GB / T 12221 J3 Series 
 ISO 5752 Short, series 16 
 BS5155 Wafer Short / Medium 
 DIN 3202 Part3, series K3 
 Top flange: ISO 5211 
 Body material: carbon steel, stainless steel 
 Disc material: carbon steel, stainless steel 
 Stem Material: Stainless Steel 
 Seat Material: PTFE 
 Transmission: manual, worm move, electric, pneumatic, hydraulic, electro-hydraulic linkage, etc. 
 Leakage class: PATEA EN 12266-2 (zero leakage) 
 Double eccentric valve metal seal in high temperature environments than the more airtight rubber seal ring 
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