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Home | Product & Service | PIPELINE DAMPERS

Product & Service - Pipeline Dampers

CONVENTIONAL LOW LEAKAGE DAMPER
CONVENTIONAL / LOW LEAKAGE BUTTERFLY DAMPER
MOST IDEAL FOR GAS ISOLATION APPLICATION, IN TYPICAL PROCESS GAS DUCTS, AT LOWER TEMPERATURES. WIDELY USED AS ID FAN INLET DAMPER.
 
  • Linear gas control in smaller sized ducts.
  • Very cost effectvie due to very less operating parts and ease of maintainenece.
  • Provided with variety of construction options, to suit budget requirements.
  • Damper seals provided in various material of construction, to work at lower temperatures.
  • Typically the leaktigness achievable shall be 95 – 99.5%, across cross – sectional area.
Conventional / low temperature multi – louvre damper
most ideal for gas control application, involving regulation of gas flow, at lower temperature ducts.
 
  • Even gas distribution in larger sized ducts.
  • Aerofoil blade design ensures minimum pressure drop across damper blade.
  • Multi lovure damper option available for both rectangular & ciruclar dusts.
  • Very linear process gas control between 20 – 90% of full gas volvume.
  • Typically the leaktigness achievable shall be 96 – 99.5%, across cross – sectional area.
CONVENTIONAL RADIAL VANE INLET DAMPER
Most ideal for gas control application and used only at process fan nlet duct involving regulation of gas flow, at lower temperature ducts.
 
  • Very linear & even gas distribution through out the process fan capacity.
  • Aerofoil blade design ensures minimum pressure drop across damper blade.
  • Virtue of constrcution, it is installed in ciruclar ducts only.
  • Almost stepless process gas control and ideal for auto - remote regulation.
  • Typically the leaktigness achievable shall be 96 – 99%, across cross – sectional area.
CONVENTIONAL SLIDING PLATE DAMPERS FOR LOW TEMPERATURE APPLICATIONS
Most ideal for application, to isolate the gas passing through process duct, at low temperatures.
 
  • By virtue of its construction, there is no pressure drop across damper blade, in flap retracted position. Hence ideal for larger duct sizes.
  • Simpler construction requires no maintainence
  • Gas tight bonnet construction possible to avoid any leakage of gases to out side atmosphere.
  • Typically the leaktigness achievable shall be better than 98% across cross – sectional area.
HIGH TEMPERATURE DAMPERS
HIGH TEMPERATURE BUTTERFLY DAMPER
Most ideal for gas control application, involving regulation of gas flow, in high temperature ducts.
 
  • linear gas control in smaller sized ducts.
  • Can be provided with refractory lining to with stand elevated temperatures in excess of 800˚ centigrade.
  • Very cost effective due to very less operating parts and ease of maintainenece.
  • Provided with out board bearings.
  • Water cooled design available, for high temperature application.
  • Typically the leaktigness achievable shall be 95 – 97%, across cross – sectional area.
HIGH TEMPERATURE COFFEE POT VENT DAMPER
Most ideal for application, to vent high temperature gases in emergency situation.
 
  • Instant release of gas pressure, in duct during emergency situation.
  • Provided with refractory lining to with stand elevated temperatures in excess of 800˚ centigrade.
  • Simpler construction requires no maintainence and very reliable in operation during emergency situation.
  • Used mainly in hot air generator circuit.
  • Typically the leaktigness achievable shall be Better than 99.9% across cross – sectional area .
HOISTING / GUILLOTINE DAMPERS FOR HIGH TEMPERATURE APPLICATIONS
Most ideal for application, to isolate the gas passing through process duct, at high temperatures.
 
  • Mostly employed for gas temepratures in excess of 500 deg. Cent. And above.
  • By virtue of its construction, there is no pressure drop across damper blade, in flap retracted position. Hence ideal for larger duct sizes.
  • Damper handling gas temepratures in excess of 800 deg. Cent. Provided with refractory lining.
  • Simpler construction requires no maintainence.
  • Gas tight bonnet construction possible to avoid any leakage of gases to out side atmosphere.
  • Typically the leaktigness achievable shall be Better than 97% across cross – sectional area.
HIGH TEMPRATURE MULTI – LOUVRE DAMPER
Most ideal for gas control application, involving regulation of gas flow, in high temperature ducts.
 
  • Even gas distribution in larger sized ducts. Opposed vane control for larger ducts ensure throttle free gas distribution, across cross sectional area.
  • Aerofoil blade design ensures minimum pressure drop across damper blade.
  • Multi lovure damper option available for both rectangular & ciruclar dusts.
  • Provided with out board bearings.
  • Typically the leaktigness achievable shall be 96 - 99%, across cross – sectional area.
ISOLATION LEAKTIGHT DAMPER
ISOLATION BUTTERFLY DAMPER
Most ideal for process gas application, involving isolation of gas flow, in low / medium temperature ducts.
 
  • Perfect for isolation of gas flow in smaller sized ducts.
  • Can be provided with variety of flap seals to suit temperatures in below 500˚ centigrade.
  • Very cost effective due to very less operating parts and ease of maintainenece.
  • Provided with board bearings, for ease of maintanence.
  • Water cooled design available, for high temperature application.
  • Typically the leaktigness achievable shall be 97 – 99.9%, across cross – sectional area.
GUILLOTINE DAMPERS FOR ISOLATION DUTY
Most ideal for application, to isolate the gas passing through process duct, at low / medium temperatures.
 
  • Mostly widely used for gas isolation application, in process industry and accounts for about 80% of all isolation duty guillotine dampers.
  • By virtue of its construction, there is no pressure drop across damper blade, in retracted position. Hence ideal for larger duct sizes.
  • Guillotine dampers with special seals covering temeprature range below 500 deg. Cent. Provided for perfect gas isolation.
  • Gas tight bonnet construction possible to avoid any leakage of gases to out side atmosphere.
  • Typically the leaktigness achievable shall be better than 99.5% across cross – sectional area.
MAN SAFE DAMPERS FOR ISOLATION DUTY
Most ideal for application, to isolate the parellely placed gas compartments, generally through process ducts, handling gases at lower temperatures.
 
  • As the name suggests a complete gas isolation of the duct is must in damper close position. This ensures entry of service personnels, in gas dust / compatment for maintainence.
  • By virtue of its construction, there is no pressure drop across damper blade, in retracted position. Hence ideal for larger duct sizes.
  • Man safe guillotine dampers are comsulsary provided with seal air fans systems, to aciveve 100% isolation, from any external gas in the duct, during the damper in closed condition.
  • Dampers for this application, are provided with highly reliable damper flap sealing arrangement and is natural choice for installation, in esps & rabc / bag house applications.
  • Gas tight bonnet construction provded to avoid any leakage of gases to out side atmosphere.
  • Typically the leaktigness achievable is 100% across cross – sectional area, for man safe application.
POPPET DAMPERS FOR ISOLATION DUTY
Most ideal for application, to isolate the parellely placed vertical gas compartments, generally through process ducts handling gases at lower temperatures.
 
  • As the name suggests a complete gas isolation of the duct is must in damper close position.
  • By virtue of its construction, there is no pressure drop across damper blade, in retracted position. Hence ideal for larger duct sizes.
  • Poppet dampers, achieve 100% isolation, due to its machined flap seating surface in closed condition. This qualifies the dampers for installation in specific man safe areas.
  • Dampers for this applcation, is natural choice for installation, in rabh / bag house applications.
  • Typically the leaktigness achievable is 100% across cross – sectional area
STACK DAMPERS FOR ISOLATION DUTY
Most ideal for application, to utilise the residual heat in process gases released in atmosphere. this is achieved by capping the chimney / stack with a specially built damper for redirecting the process gases for effective pre-heating and dust removal prior to release of the gases in atmosphere.
 
  • Robust modular construction, to operate in very remote and elevated temperature range.
  • It is possible to contruct the same in split flap construction or in construction similar to coffee pot damper. Selection of the same is on application basis.
  • Dampers for this applcation, are widely used in steel making industry.
  • Typically the leaktigness achievable is about 100% across cross – sectional area.