Damper

DNP Damper

 

 

For decades, DNP CO., Ltd has developed and supplied various types of dampers, which are effectively designed for air conditioning and ventilation systems in marine and offshore projects.

DNP Damper have been developed in compliance with latest SOLAS Regulations, and tested and approved for class A0 -A60 divisions according to IMO resolution A.754 (18)

DNP Dampers are constructed robust and corrosion-resistive, guaranteeing their long life span in harsh marine/offshore environments with large thermal/humid ranges, and precise operation even after suspended positioning at onestate for long period of time. The dampers are easy to install/disassemble in a limited space, and give best accessibility for mantenance purpose after installation. Also various control options are provided to meet a wide range of customer requirements.

DNP Dampers are designed and produced under the ISO9001 Standards qualified qualify system.

 

 

Pneumatic Fire & Gas Damper

A0/A60 FIRE CLASS

DNP Pneumatic Fire & Gas Damper has been developed for A-0/ A-60 class bulkheads/decks, to prevent fire and gas spreading through ductworks. The damper is open on pneumatic actuation and closed by spring, ensuring fail-safe operation in case of emergency situation such as power failure. Flexible control options are available to suit various customer needs.

Electric Fire & Gas Damper

A0/A60 FIRE CLASS

DNP Electric Fire & Gas Damper has been developed for A-0/A-60 class bulkheads/decks, to prevent fire and gas spreading through ductworks. The damper is open on electric actuation and closed by spring, ensuring fail-safe operation in case of emergency situation such as power failure. Flexible control options are available to suit various customer needs.

 

Pressure Relief Damper (Modulating Damper)

 

DNP Pressure Relief Damper (Modulating Damper) has been developed for controlling airflow in the ventilation system to be unidirectional. The damper flap is switched on the designated air pressure set by appropriate weighting.

 

Balancing (Volume) Damper

 

DNP Balancing (Volume) Damper has been designed for controlling airflow through ventilation systems. Adjusting mechanism can be implemented in manual, pneumatic or electric actuation.

Shut-Off Damper

 

DNP Shut-Off Damper has been designed for isolating airflow through ventilation systems. Controlling mechanism can be implemented in manual, pneumatic or electric actuation.

 

Non-Return (Back Draft) Damper

 

DNP Non-Return (Back Draft) Damper has been developed for controlling airflow in the ventilation system to be unidirectional.

 

Fire Shutter

 

DNP Fire Shutter is a robust safety device made of Stainless steel 304.

The shutter can be closed automatically by fusible link when ambient temperature rises over 72°C , and it can be operated manually. Also electric magnetic equipped for emergency operation, maximizing safe and reliable nature of device.

The shutter is produced to meet the standards specified in IMO regulation and certified by KR, ABS, DNV, LR, GL, BV etc, also acquired CE Mark.