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ARP - Model CB-M11 Series -By-Pass Damper Three Way Valve
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The by-pass damper is a three way valve that allows the engine exhaust flow to be rerouted towards the bypass chimney or towards the boiler. Intermediate positions can be used for regulation or preheating. Available with circular or rectangular design.
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- Diameter range DN150 ÷ DN2500
- Max temperature 600 °C
- 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 EN 1092-1, ASME B16.5, others on request
- Testing EN12266, ANSI/FCI70-2
Ends connections
- Circular or rectangular body:
- Bolted flanges
- Butt welded
Blade seals options
- No seal – Geometric tightness 96%
- Metal to metal – FCI 70-2 max tightness class II
- Harmonic steel lamellas – FCI 70-2 max tightness class III
- Soft sealing – FCI 70-2 max tightness class III/IV
- 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
- No seal
- Graphite braid packing
- Braid packing with lantern ring and air sealing
Materials
- Carbon steels
- 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