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ARP - Model RM-L20 Series -Louver Damper Valve
FromARP Industry srl
The louver damper can be single or multiple blade operated by an external linkage. The blade movement can be opposed or parallel. Opposed blade movement is the most effective choice for modulating service. Air sealing with harmonic metal seal can be supplied on request. Dimensions of the duct and drilling of the flange are made to customer specifications.
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EN standard
- Designed for 50 mm of insulation
- Max temperature 200 °C
- Size range upon request
- Interception or modulating service.
- Designed for 50 mm insulation
- CE marking
Operating conditions
- Design temperature –40°C ÷ 200°C
- Design pressure –0,1 barg ÷ +0,5 barg
Aplicable standards
- Design EN 593, EN 12516, ASME B16.34
- Flanges according to customer request
- Testing EN12266, ANSI/FCI70-2
Ends connections
- Bolted flanges
- Butt welded
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%
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
- Flat elastomeric gasket
Materials
- Carbon steels
- CORTEN A
- EN 10028-2 steels for high temp.
- Ferritic, and austenitic stainless steels
Bearing options
- One external bearing
- Duble shaft with two external bearings