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Multi-louver dampers
   
 
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Multi-louver damper is made up of various blades which rotate on their central shaft. All the blades are connected through linkages. The multi-louver damper can be used for isolating or regulating the flow with quarter turn movement of blade. These are two way flow damper. Generally on-off duty multi-louver damper are parallel blades and control/ regulating duty multi-louver damper are opposed blades type.
 
 
The body of multi-louver damper is fabricated from different type of material suitable for site condition and client requirement. Standard materials of construction for critical parts of butterfly damper are-
  1. 1. Body: A36, IS 2062, A516, IS 2002, Corten, SS 304,SS 316, Inconel etc.
  2. 2. Blade: A36, IS 2062, A516, IS 2002, Corten, SS 304,SS 316, Inconel etc.
  3. 3. Shaft: En8, SS 410, SS 304,SS 316, Inconel etc.
  4. 4. Seal: SS 316Ti, Inconel etc.
  5. 5. Bearing: C.I lined Bush type with Grafoil Sheet maintenance free/ Antifriction
  6. 6. Shaft Packing: SS 316Ti/ Braided Graphite.

Other materials of construction can be used as required by client.

SEAL
These dampers are design for sealing up to 99.9% without seal air system and 100% with seal air system. Type of seals: Omega seal/ Solid seal

DRIVE
Multi-louver dampers can be provided with one side or double side drive as required by client.
Types of drive -
            - Manual by Hand Wheel/ Lever/ Chain/ Winch Pulley Arrangement
            - Motorized
            - Pneumatic

 
   

            1. Frame
            2. Blade
            3. Shaft
            4. Blade Seal
            5. Shaft Seal/ Packing
            6. Bearing
            7. Drive Mounting
            8. Linkage

 
STANDARD ITEMS FOR PNEUMATIC OPERATED DAMPER
(These items are used as required by client’s technical requirements)
 
1. Pneumatic cylinder
2. Speed Regulator
3. Bleed Valve/ Pilot Valve
4. Solenoid Valve
5. Positioner (Pneumatic/ E-P/ SMART HART/ FF type)
6. Position Transmitter
7. Lock Valve
8. I/P Converter
9. Manual Loader
10. Loop Power Indicator
11. Volume Tank

These items are used as required by client technical requirement.
Air Preheater
Cast Tube Air Preheater
Glass Tube Air Preheater
Plate Type Air Preheater
Steam Air Heater
Distillation Trays & Column Internals
Dampers
Butterfly damper
Multi-louver dampers
Flap or self closing
Bi-plane / double louver
Poppet damper
Guillotine dampers
Ignitor Guns & Pilot Burners
Sluice Gate
Sugar Machinery
   
Testimonials
   
PUNJ LLOYD
"Completely satisfied by the workmanship, quality, performance and delivery "
THERMAX
  • Till date not a single adverse report of field failure is reported
  • Very good quality standards 
PETRON ENGINEERING
  • Dedicated QA/QC team with established procedures, in-house testing facilities
  • Very competent workforce for site activities
LARSEN & TOUBRO
  • Good supplier of Dampers / Shut-off Blades, and highly recommend this vendor
  • Well established Quality Assurance and Control Procedures / approvals in place to ensure good quality of the final product.
LUMMUS HEAT TRANSFER, NETHERLANDS
"The overall project execution by Kamal has been satisfactory"
HEURTEY PETRO-CHEM
"Remarkable achievement of delivery of Dampers in shortest possible time creating a new benchmark"
INDIAN OIL CORPORATION (IOCL)
"Kamal is a regular supplier of Air Preheaters & Dampers. Earliest supply of Air preheater was made in 1986 with several supplies thereafter. Performance of the equipments has been found satisfactory"
TECHNIP
"Kamal has been supplier for the design & supply of Air Preheaters, Dampers & Guillotines / Shut-off Blades. We have been working with Kamal for the last several years and are satisfied with their products in terms of design, quality and performance. They have been maintaining a good delivery performance as well as timely support "
JNK
"Kamal had supplied 6 Air Preheaters for our worldwide projects which are under operation with good performance an sound mechanical conditions. We are very satisfied with their product quality and services such as on-time delivery, documentations, compliance with client requirements and after cares. We always recommend and propose M/s Kamal as a potential supplier for Air Preheaters to our Global Clients and End Users."
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