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BUTTERFLY VALVES
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ACTUATORS
Resilient Seated（Vulcanized Sleeve）-U type butterfly valve -AOBV08
A double flanged valve in short construction designed for heavy duty services.
Highlight:
·Less deformation of the liner from vulcanized liner
·No deformation of the liner between the flanges during assembly
·All AVANNTO valves are pressure tested to 110% of rated pressure to assure bubble tight shutoff.
·All AVANNTO butterfly valves are pin-less design
·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: Cast Iron, Ductile Iron
Disk Materials: Ductile Iron, Stainless Steel, Nylon 5/11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel, Hastelloy, Halar Coated Ductile Iron
Stem Materials: Carbon steel, Stainless Steel, Monel
Seat Materials: EPDM, BUNA-N(NBR& Nitrile),FKM
Applications: Potable Water, Wastewater, HVAC, Irrigation, Metallurgy, Power Generation, Chemical Process, Marine, Oil & Gas, Pulp & Paper, Bulk Solids, Mining, Food & Beverage Dead-End service
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 – DN2000 (Larger Diameters on request)
Face-to-face:
EN 558 Series 20
ISO 5752 Series 20
API 609 Table 1
Flange accommodation:
EN 1092 PN 6/10/16
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)
ISO 5208, Category 3
Working standard:
EN 593
Temperature range:
-10 °C to + 130°C (depending on pressure, medium and material)
Max. Operating pressure:
max. 16 bar
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