CS-H21 Series
High temperature butterfly valve for gases
Diameter range DN80 ÷ DN2000
• Diameter range DN80 ÷ DN2000
• Interception or modulating service.
• Designed for 200 mm of insulation.
• CE marking
Operating conditions
• Design temperature 1000°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
• Wafer
Blade seals options
• No seal – Geometric tightness 96%
• Metal to metal – FCI 70-2 max tightness class II
• Soft sealing – FCI 70-2 max tightness class III/IV
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
• Ceramic fiber with inconel core braid packing
• Braid packing with lantern ring
• Seal air cleaning system on shaft
Materials
Internal parts with hot corrosion and creep resistant alloys:
• AISI 310S
• Alloy 253Ma
• Inconel 601 alloy
• Alloy 800 HT
Bearing
Double shaft with two external bearings
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