RM-M21 Series
Multi louver damper for gases
Designed for 200 mm insulation
• Size range upon request
• Interception or modulating 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 according to customer request
• Testing EN12266, ANSI/FCI70-2
Ends connections
• Bolted flanges
Blade seals options
• No seal – Geometric tightness 95%
• Metal to metal – Geometric tightness 96%
• Harmonic steel lamellas – Geometric tightness 98%
• Soft sealing – Geometric tightness 98%
• Air sealing – Perfect tightness with pressurized air chamber
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, and austenitic stainless steels
Bearing options
• One external bearing
• Double shaft with two external bearings
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