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CO-L20 Series

Double offset butterfly valve for gases

Diameter range DN80 ÷ DN1500

Max temperature 260 °C

• Diameter range DN80 ÷ DN1500

• Interception service.

• CE marking

Operating conditions

• Design temperature –40°C ÷ 260°C
• Design pressure –0,1 barg ÷ 3 barg

Applicable standards

• Design EN 593, EN 12516, ASME B16.34
• Flanges EN 1092-1, ASME B16.5, other on request
• Testing EN12266, ANSI/FCI70-2

Ends connections

• Bolted flanges
• Wafer

Blade seals options

Blade o-ring and stainless steel body seat.
Perfect tightness – Max leakage class VI (FCI 70-2)
O-rings options:
• PFA with silicone core
• FEP with silicone core
• Viton or AFLAS
• Silicone

Valve actuation

Top flange connections: EN ISO 5210, EN ISO 5211

Actuator types:
• Manual with lever or handwheel
• EN 15714-2 Electric actuators
• EN 15714-3 Pneumatic actuators

Shaft seals options

• Energized rings and o-rings
• Rings packing, TA-Luft

Materials

• Carbon steels
• Ferritic, austenitic and duplex stailness steels

Bearing options

• One external bearing
• Double shaft with two external bearings

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