BLADE MULTILOUVER DAMPER VALVE

We Offer Blade Multi-Louver Damper Valve in sizes from 300mm to 12000mm in round shape and Square/Rectangular Shape and Pressure rating up to PN 1. It has multiple louvers arranged in parallel or opposed order connected to main drive shaft through linkages to have a better control on flowing media. Different Sealing materials for 99.95% leak tightness are offered as per application requirement. Our Guillotine Damper valves are designed for Isolation of various Flowing media like Flue Gases, Dusty, Corrosive, hazardous etc. with Design temperature from -25 Deg. C to 825 Deg. C.

Multi-Louver Damper Valves Can be offered in following design:

• Parallel Blade Design 
• Opposed Blade Design
• Mixed Blade Design

Type: Circular / Rectangular / Square 

Size Range: 300 mm to 12000 mm (Square & Rectangular)

                     : Ø300 mm to Ø7000 mm (Round)

Material Of Construction:  ASTM A 36 / ASTM A 240 Type 304L / ASTM A 240 Type 316L / ASTM A 516 Gr-70 / ASTM A 387 Gr-11 / ASTM A 240 Type 310S/ A216 Gr. WCB / A351 Gr. CF8 / A351 Gr, CF8M /As per Client Requirement.

Flowing Media: Air / Flue Gas etc.

Design Temperature: -25°C to 825 °C

Pressure Ratings: PN 1

End Connection: Wafer / Double Flanged (Short/Long Pattern) and Butt Weld End

Face to Face: API 609 / ASME B16.10 / ISO 5752 / BS EN 558 / Mfg. STD.

Flange Drilling: ASME B16.5 / ASME B16.47 / BS EN 1092-1/ Mfg. STD.

Butt Weld Ends: ASME B16.25

Testing: AMCA 511 / ASME AG-1 /ANSI FCI 70-2 / Mfg. STD

Sealing Efficiency: 100 % Leak Proof [ Through Body and Stem] & 

                                  99.95 % at Downstream

Drive Mode: Manual / Motorized / Pneumatic / Hydraulic etc.

Design Codes and Standards: ASME B16.34 / ASME AG-1 / ERDA 76-21 /                         

                                                        API 609 / ASME SEC VIII; SEC V; SEC IX

SALIENT FEATURES:

• Uni-directional
• Spark Proof
• Low pressure drops
• 100% sealing to Atmosphere
• Lower Torque, Economical, Longer Life
• Lighter and Stronger Construction
• Maintenance-free Bearings
• Disc and Seal easily Replaceable.
• Anti-Blowout
• Seismic Qualified Design

APPLICATIONS:

• Induced Draft Fans
• Forced Draft Fans
• Exhaust Systems
• Any process lines that need the control or isolation of Flowing media

APPLICATION INDUSTRIES:

• Power plants
• Steel 
• Paper & Pulp
• Textiles
• Cement
• Fertilizers
• HVAC
• Oil & Gas
• Food & Beverages

multilouver damper valve