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CA-M21 Series

Air sealing butterfly valve for gases

Diameter range DN150 ÷ DN3000

Max temperature 600 °C

• Diameter range DN150 ÷ DN2500

• Isolating service.

• Designed for 200 mm insulation

• CE marking

Operating conditions

Design temperature –40°C ÷ 600°C
• Design pressure –0,1 barg ÷ +0,5 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
• Butt welded

Blade seals options

• Perfect tightness with pressurized air chamber
• Harmonic stainless steel lamellas

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

• Graphite braid packing
• Braid packing with lantern ring
• Seal air cleaning system on shaft

Materials

• CORTEN A
•  EN 10028-2 steels for high temp.
• Ferritic, austenitic and duplex stailness steels

Bearing

• Duble shaft with two external bearings

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