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BUTTERFLY VALVES
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GATE VALVES
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ACTUATORS
Full PTFE LINED-Wafer Type butterfly valve -AOBV11
PTFE-lined shut-off and control valves are designed for use in chemically aggressive leaches and acids. The minimum 3 mm thick lining comprising virgin PTFE ensures optimal permeation protection. In conjunction with the double shaft seal, this series offers maximum operational safety, even with corrosive and toxic media.
Highlight:
·All AVANNTO valves are pressure tested to 110% of rated pressure to assure bubble tight shutoff.
·All AVANNTO butterfly valves are pin-less design
·Chemical resistant, weather resistant, abrasion and impact resistant coating
·Internal disc-to-stem connection
·ISO 5211 international compatibility
·Direct mount all AVANNTO actuators including handles, gear operators, pneumatic and electric actuators
Specifications:
Body Materials: Ductile Iron, Carbon Steel,Stainless Steel
Disk Materials: Stainless Steel, PTFE/SS, PFA/SS, Hastelloy, Titanium
Stem Materials: Stainless Steel
Seat Materials: PTFE
Applications: Highly Corrosive, Toxic Media
Material availability depends on valve size & series. Other materials are available. Please consult to us or your local AVANNTO representative for your specific condition.
Nominal diameter:
DN 50 – DN600
Face-to-face:
EN 558 Series 20
ISO 5752 Series 20
API 609 Table 2
Flange accommodation:
EN 1092 PN 10/16
ASME Class 150
AS 4087 PN 16
Flange Surface Design:
EN 1092 Form A /B
ASME RF, FF
Top flange:
EN ISO 5211
Tightness check:
EN 12266 (Leakage rate A)
Working standard:
EN 593
Temperature range:
-30 °C to + 180°C (depending on pressure, medium and material)
Max. Operating pressure:
max. 16 bar
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