A damper is a valve or plate that regulates or stops the flow of air inside a chimney, air handler, duct, VAV box or any other handling equipment. Nirmala pumps and Equipments are a renowned PP damper valve suppliers offering a range of fully injection molded PP (Polypropylene) dampers in size range of 3″ to 10″.

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Damper Valve

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PP damper valves are fabricated along with the control knob, blade and flange controlled manually or using electricity. It is vital for industrial and manufacturing plants or civil construction of HVAC, ventilation, air conditioning, and air purification project. PP damper valves are mainly used in conditioning ducts, ventilation pipes and air by altering the angle of a baffle to adjust the airflow volume in the chimney. Polypropylene is anti-corrosive, prevents water condensation and provides exceptional insulation performance. Rim can be melted or welded to this damper for definite applications.

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PP damper valves are available with following features:

  • Easy to install.
  • Very Low Leakage.
  • Molded article to avoid welding.
  • Maximum chemical resistance.
  • Easy to operate.
  • Suitable for all corrosive and non-corrosive gas environments.
  • Appropriate for low and high temperatures.
  • Resistance to heat, abrasion and corrosion.
  • Excellent insulation performance, minimal energy loss.
  • Excellent sealing performance to prevent leakage of air.
  • Quick working and easy installation.
  • Weldable and meltable.
  • Withstands high pressure for DN315, thickness 5mm.
  • Parts are separable such as stop plate, handle, main body and screw nut for reconstruction.
  • Various sizes available to fit in various duct pipes.
  • Long service life
  • Anti-cracking
  • Anti-rust
  • Non-toxic
  • Wear-resistant, non-fouling
  • Anti-condensation, low heat loss
  • Lightweight
  • Less noise and vibration

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  • HVAC systems
  • Air handler
  • VAV box
  • Chimney
  • Ventilation project
  • Ducts
  • Regulating/stopping air flow in the circular duct
  • Water project
  • Various air handling equipment
  • Media transfer
  • Venting
  • Isolation

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