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PTFE lined butterfly valve
Model: BFV01-PTFE
 
The world's leading modular PTFE-lined butterfly valve according to the highest quality standards for safe handling of aggressive media.
 
  • Safe handling of corrosive media thanks to a unique sealing system
  • A regulating pressure package guarantees the specified contact pressure and maximum tightness over the entire service life
  • Specially designed for use with aggressive media such as chlorine gas, hydrofluoric acid and sulfuric acid
  • Above-average overall performance thanks to a technically proven but constantly improved sealing system
 
Advantageous design principle
  • Reduced friction and increased service life thanks to spherical design elements
  • Rounded and polished sealing surfaces of the valve disc reduce the torque and allow the use of smaller and cheaper drives
  • The one-piece valve disc, which is precisely dimensioned to within tenths of a millimeter, always remains securely anchored in the valve
  • Injection molded elastomer inserts with a complex design ensure maximum tightness over an increased service life

PTFE lined butterfly valve

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Quantity

  • BODY TYPES

    • Wafer DN50-300 (Can be made from DN350 to DN1200 with lug body and unthreaded holes.)
    • Lug DN25-1200

     

    APPLICATIONS

    Butterly valve lined with PTFE/PFA or mod. PTFE/PFA for high chemical demands. To shut off and control corrosive and abrasive liquids or gases.

     

    FACE TO FACE

    • ISO 5752, Basic Range 20
    • EN 558-1, Basic Range 20

     

    HEAD FLANGE

    • According to EN ISO 5211

     

    MAX. OPERATING PRESSURE

    • DN25-450: 10 bar
    • DN500-600: 6 bar
    • DN700-1200: 3 bar

     

    CONNECTION STANDARDS

    • PN10-16 (DN25-150)
    • PN10 (DN200- 600)
    • PN6 (DN700-1050)
    • ANSI CL150

     

    TEMPERATURE RANGE

    • -60 °C up to +200 °C (see Catalogue, p.9: Pressure / Temperature diagram)

     

    IDENTIFICATION MARKING

    • EN 19

     

    IN-SHOP TESTING

    • Porosity Test of Disc Coating (PFA) and Liner (PTFE / mod.PTFE) acc. to EN 60243-1
    • Leakage Test acc. to EN 12266-1/P12
    • Leakage Rate A
    • Check of Torque

     

    APPROVALS

    • TA-Luft: Compliance Leakage Certificate according to Position 5.2.6.4. of the Technical Instruction Air (TA-Luft), VDI 2440.
    • Compliance of the Safety Requirements of the European Pressure Equipment Directive 2014/68/EU.
    • Atex 2014/34/EU compliant Version for explosive surroundings Group II, Zones 0, 1, 2 (and 20, 21, 22 respectively).
    • Food: Food (EC) 1935/2004; FDA.
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