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Shanghai DP Air Dryer Co., Ltd.

Supplier From China
Dec-07-17

Reference performance:

Max. ambient temperature: 40°C, 104°F
Max. inlet temperature: 80°C, 176°F
Working pressure range: 4-15 bar
Max. pressure drop: 0.18 bar
Pressure dew point: 3~5°C
Refrigerants and max. working pressure are customizable

High-efficiency Heat Exchanger:

Counter-flow on both air to air/air to refrigerant side, up to 1.6 times cooling efficiency than shell and tube heat exchanger.
Smaller dimension, 30% less power consumption, more stable pressure dew point, compared with shell and tube heat exchanger.
4 ~15 bar working pressure, customizable.
Never get rusted: made of stainless steel or aluminum, and the rest part that contacting compressed air is made of 304S stainless steel, which never results in getting rusty problem as shell and tube type.
Air-cooled refrigerant dryers:

Offer patented condenser with louvered fin technology for improved performance in more demanding environments.
Model A 30(+) ?? 150(+) : equipped with meters.
Model A 200(+) ?? 2000(+) : equipped with microcontrollers. PLC and user-friendly interface are optional.
Refrigeration compressor:

Panasonic, Danfoss, Copeland, etc.
Electronic drain:

Anti-blocking function.
Robust and compact design:

Forklift opening for easy transportation.
Removable panels for easy maintenance access.
Fan switch:

Automatically switched on or off depending on various loads.
Hot gas bypass valve:

Prevents freezing at a low load.
Filters:

DP offers integrated filters to satisfy a higher lever of filtration.
Refrigerant Types:

R22
R407C
R134A
R410A
Refrigerants are customizable.


Heated purge desiccant dryer uses compressed air as a purge, but its regeneration process also uses the energy from an external heater, so it costs moderate compressed air.

Reference performance:

Max. compressed air consumption: 6%
Max. inlet temperature: 45C, 113F
Max. inlet oil content: 0.01 ppm

High quality desiccant:

High performance desiccant
Pressure dew point: -20~-70C, -4~-94F
Max. pressure drop: 0.21 bar
Working pressure range: 4-10 bar, optimum: 7 bar/102 psi
Robust and compact design:

Forklift slots, lifting eyes
Controller:

Electronic control board
Time-based steering
Heater:

Made of stainless steel
Nickel-plated to avoid corrosion
Galvanized piping with flanged connections:

Easy maintenance and less chance of leakages
Butterfly valves:

Good quality butterfly valves
Filters (optional):

DP offer integrated filters for desiccant dryers
Pre-filters could eliminate oil contaminant from compressed air, increasing lifetime of desiccant.
After-filters could eliminate dust


Heated blower purge desiccant dryer mostly uses air from an external heated bower, so it costs few compressed air.

Reference performance:

Max. compressed air consumption: 0~2%
Max. inlet temperature: 45°C, 113°F
Max. inlet oil content: 0.01 ppm

High quality desiccant:

High performance desiccant
Pressure dew point: -20~-70°C, -4~-94°F
Max. pressure drop: 0.21 bar
Working pressure range: 4-10 bar, optimum: 7 bar/102 psi
Robust and compact design:

Forklift slots, lifting eyes
Controller:

Electronic control board
Time-based steering
Heater:

Made of stainless steel
Nickel-plated to avoid corrosion
Galvanized piping with flanged connections:

Easy maintenance and less chance of leakages
Butterfly valves:

Good quality butterfly valves
Filters (optional):

DP offer integrated filters for desiccant dryers
Pre-filters could eliminate oil contaminant from compressed air, increasing lifetime of desiccant.
After-filters could eliminate dust


Compressed heat purge desiccant dryer uses the heat from compressed air itself to regenerate, so external heater is not required, and it barely costs compressed air.

Reference performance:

Max. Compressed air consumption: 0~1%
Max. Inlet temperature: 120~170°c, 248~338°f
Max. Inlet oil content: 0.1 ppm
Max. Working pressure: 10 bar; optimum: 7 bar; various working pressure is customizable

High quality desiccant:

High performance desiccant
Pressure dew point: -20~-70°c, -4~-94°f
Max. Pressure drop: 0.21 bar
Working pressure range: 4-10 bar, optimum: 7 bar/102 psi
Robust and compact design:

Forklift slots, lifting eyes
Controller:

Electronic control board
Time-based steering
Galvanized piping with flanged connections:

Easy maintenance and less chance of leakages
Butterfly valves:

Good quality butterfly valves
Filters (optional):

Dp offer integrated filters for desiccant dryers
Pre-filters could eliminate oil contaminant from compressed air, increasing lifetime of desiccant.
After-filters could eliminate dust


Pressure drop: 140 mbar

Max working pressure: 10 bar; optimum: 7 bar

Cartridge lifetime: 4000 hrs or 1 year

Threaded design: 5 grades; 27-225 l/s; made of aluminum

Flanged design: 5 grades; 283-8500 l/s; made of carbon steel


5 Grades:

FC grade: max. oil 5 ppm; max. dust 3 m

FT grade: max. oil 1 ppm; max. dust 1 m

FA grade: max. oil 0.01 ppm; max. dust 0.01 m

FF grade: max. oil 0.001 ppm; max. dust 0.01 m

FH grade: max. oil 0.003 ppm; max. dust 0.01 m


Heatless desiccant dryer uses compressed air as a purge to regenerate, it costs maximum compressed air.

Reference performance:

Max. compressed air consumption: 14.5%
Max. inlet temperature: 45°C, 113°F
Max. inlet oil content: 0.1 ppm

High quality desiccant:

High performance desiccant
Pressure dew point: -20~-70°C, -4~-94°F
Max. pressure drop: 0.21 bar
Working pressure range: 4-10 bar, optimum: 7 bar/102 psi
Robust and compact design:

Forklift slots, lifting eyes
Controller:

Electronic control board
Time-based steering
Galvanized piping with flanged connections:

Easy maintenance and less chance of leakages
Butterfly valves:

Good quality butterfly valves
Filters (optional):

DP offer integrated filters for desiccant dryers
Pre-filters could eliminate oil contaminant from compressed air, increasing lifetime of desiccant.
After-filters could eliminate dust


 
 
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