APPLICATION
MBD is a heavy duty flanged frame style industrial On/Off damper qualified for use in tunnel and transit systems. The airfoil blades, blade seals and stainless steel jamb seals meet the demanding requirements for strength, leakage & operability to standards such as NFPA-130, 502. As with all KBE - FLOWPRO heavy duty industrial damper models, the design can be modified and the product can be tailored to meet the requirements of any specification.
• Thermal Ratings: -400°C for 2hours (for 400 Serie)
-300°C for 2hours after a thermal shock from -5°C to 300°C (for 250 Serie)
• Fire Ratings: BS476-20 for 4 hours
• Leakage Rate: UL555S - Class I
• Operation: Opposed Blades
• Mounting: Horizontal or Vertical
• Maximum Pressure: Up To 24.0" W.G.
• Maximum Velocity: To 5000 FPM
FEATURED STANDARD CONSTRUCTION
• FRAME:
- 200 mm x 3 mm galvanized steel Formed channel frame construction (for 400 Serie)
- 200 mm x 2 mm galvanized steel Formed channel frame construction (for 250 Serie)
• BLADES:
- 2 mm galvanized double skin Airfoil blade. (for 400 Serie)
- 1.5 mm galvanized double skin Airfoil blade. (for 250 Serie)
- Opposed blades operated.
• BEARINGS:
- Oil impregnated sintered bronze press-fit into frame.
• AXLES:
- 3/4” Stainless Steel 304.
• LINKAGE:
- Stainless Steel 304 linkage between the channel frame.
• FINISH:
- Mill galvanized.
• BLADES SEALS:
- Silicon impregnated glass fiber mechanically attached to blade edge.
• JAMB SEALS:
- Corrosion resistant stainless steel
• SIZES:
- Minimum Size: 300 mm Width x 300 mm Height
- Maximum Single Size: 2500mm Width x 2500 mm Height
- Multiple Section Size: Multiple units can be stacked on top of or besides each other.
- Dampers with Width exceeding 1000mm will have an integral mullion frame, as maximum blade length is 1000mm , larger damper modules come with mullions welded into the damper casing.
OPTIONS
• OPTIONAL MATERIAL: - Stainless steel 304 or 316L construction.
• FRAME OPTIONS: - Thickness up to 3mm; (for 250 Serie)
- Depth up to 300mm;
- Mounting holes in flanges.
• ACTUATOR :- Electric 230V, 120V or 24V; Electro-Hydraulic & Pneumatic.
- Spring Return or Non-spring Return
• SHAFT AND LINKAGE: Zinc Plated Steel.
• LIMIT SWITCHES: -for Open/Close Damper position Monitoring Suitable for 400°C (for 400 Serie)
-for Open/Close Damper position Monitoring Suitable for 250°C (for 250 Serie)