TTV soft sealing gate valve 
 The pressure for: ≤ 16BAR 
 Flange: DIN2501-PN10/16 
 Design Standard: DIN3352 
 GB / T 12232 
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 Nominal Diameter: DN40-DN300 
 Applications: water, wastewater, water, construction, food, textile, electric power 
 Temperature: -10 ℃ to 90 ℃ (can be different due to material changes) 
 Structure Length: GB / T 12221 14,15 Series 
 ISO 5752 Short, series14, 15 
 BS5155 Wafer Long 
 DIN 3202 F4, F5 
 Body material: Ductile iron 
 Hair plate material: EPDM or nitrile rubber coated cast iron 
 Stem Material: Stainless Steel 
 Transmission: Handwheel 
 Leakage class: PATEA EA 1226-2 (zero leakage) 
 Valve King 
 Long body and neck, with more than 70mm installation space, to meet the requirements of pipeline insulation, also install the appropriate driver from the device function. 
 Stem 
 DN40-DN200 stem integrity is TTV's unique design, with the valve plate, stainless steel stem of the same material and strong rigidity. More importantly, Teflon-coated area can extend directly from the valve plate to the stem, thus preventing the media into the valve seat plate and the gap between the valve stem caused by corrosion, increased security and reliability in the use of valve life. 
 DN250-DN600 valve stem through the upper part of TTV's unique design of the square down the stem and the valve plate connected. This designer to drive through the stem valve plate, so when the valve stem and valve plate assembly together as one. Up and down the stem material are based on high-strength 17-4PH stainless steel. 

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