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Standard Desiccant Breathers

Des-Case Standard breathers provide simple, yet dependable protection from moisture and particulate contamination in lubricants and equipment across multiple industries and applications. These versatile breathers are five times more effective than the leading non-desiccant breathers, providing optimal defense against humidity for your applications.

Applications

  • Totes
  • Transformers
  • Storage Tanks
  • Hydraulics

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Features

1. Domed Cap
A domed cap allows for better washdown runoff.

2. Integrated Nylon Standpipe
The integrated standpipe provides excellent vibration resistance and dissipates impact throughout the unit, eliminating weak points. It also allows even airflow distribution throughout the unit, eliminating inaccurate readings of desiccant saturation.

3. External Ribs
External ribs on shell to create greater durability and grip when installing or replacing breather.

4. Integrated Drip Ring
An integrated drip ring keeps shedding water from entering the vent holes.

5. Threaded Mounting
Easily replaces standard filler/breather cap with multi-fit connection or one of several adapters.

6. Air Vents
Individual air intakes are opened based on flow requirements of the system. Plugs protect unit during shipping and storage.

7. Foam Pad
Foam filter captures any oil mist and disperses incoming air evenly over filtration and drying areas.

8. Filter Element
Polyester filter element removes airborne contamination to 3-micron absolute. Unique loops allow particles to release during system exhalation, helping to increase breather life.

9. Enhanced Seal
An enhanced seal eliminates potential for airflow bypass.

Specifications

Model
DC-BB

Unit Height
3.87 in (98 mm)

Unit Diameter
2.52 in (64 mm)

Filter Efficiency
3μ absolute (β3≥200)

Amount of Silica Gel
0.1 lbs (59 g)

Adsorption Capacity
0.8 fl oz (23 ml)

Max. Flow Rate
5 cfm (141 lpm)

Temperature Range
-20°F to 200°F (-29°C to 93°C)

Connection Size
3/8″ Multi-Fit (NPT, BSPP, BSPT)

Max. Airflow at 1 psid
37 gpm (141 lpm)

Gearbox/Storage Tank Max. Volume
15 gal (57 L)

Hydraulic Reservoir Max. Volume
2 gal (8 L)

DC-1

Unit Height
5.36 in (136 mm)

Unit Diameter
2.52 in (64 mm)

Filter Efficiency
3μ absolute (β3≥200)

Amount of Silica Gel
0.3 lbs (127 g)

Adsorption Capacity
1.7 fl oz (50 ml)

Max. Flow Rate
4 cfm (113 lpm)

Temperature Range
-20°F to 200°F (-29°C to 93°C)

Connection Size
3/8″ Multi-Fit (NPT, NPSM, BSPP, BSPT)

Max. Airflow at 1 psid
30 gpm (113 lpm)

Gearbox/Storage Tank Max. Volume
35 gal (132 L)

Hydraulic Reservoir Max. Volume
5 gal (19 L)

DC-2

Unit Height
6.00 in (152 mm)

Unit Diameter
4.10 in (104 mm)

Filter Efficiency
3μ absolute (β3≥200)

Amount of Silica Gel
0.8 lbs (365 g)

Adsorption Capacity
5 fl oz (142 ml)

Max. Flow Rate
16 cfm (453 lpm)

Temperature Range
-20°F to 200°F (-29°C to 93°C)

Connection Size
1″ Multi-Fit (NPT, NPSM, BSPT, BSPP)

Max. Airflow at 1 psid
120 gpm (453 lpm)

Gearbox/Storage Tank Max. Volume
200 gal (757 L)

Hydraulic Reservoir Max. Volume
60 gal (227 L)

DC-3

Unit Height
8.00 in (203 mm)

Unit Diameter
4.10 in (104 mm)

Filter Efficiency
3μ absolute (β3≥200)

Amount of Silica Gel
1.4 lbs (643 g)

Adsorption Capacity
9 fl oz (251 ml)

Max. Flow Rate
16 cfm (453 lpm)

Temperature Range
-20°F to 200°F (-29°C to 93°C)

Connection Size
1″ Multi-Fit (NPT, NPSM, BSPT, BSPP)

Max. Airflow at 1 psid
120 gpm (453 lpm)

Gearbox/Storage Tank Max. Volume
350 gal (1325 L)

Hydraulic Reservoir Max. Volume
100 gal (379 L)

DC-4

Unit Height
10.00 in (254 mm)

Unit Diameter
4.10 in (104 mm)

Filter Efficiency
3μ absolute (β3≥200)

Amount of Silica Gel
2.0 lbs (913 g)

Adsorption Capacity
12 fl oz (365 ml)

Max. Flow Rate
16 cfm (453 lpm)

Temperature Range
-20°F to 200°F (-29°C to 93°C)

Connection Size
1″ Multi-Fit (NPT, NPSM, BSPP, BSPT)

Max. Airflow at 1 psid
120 gpm (453 lpm)

Gearbox/Storage Tank Max. Volume
500 gal (1893 L)

Hydraulic Reservoir Max. Volume
200 gal (757 L)

Adapters

Part Number
DC-12-T
DC-12-TG
DC-SDVA-12M
DC-SDVA-16M
DC-CHC-EX-4

Descriptions
Threaded Flange Adapter
Threaded Flange Adapter with Gasket
Bayonet Adapter
3/4″ NPT Vent Valve Adapter
1″ NPT Vent Valve Adapter

Equipment Connection / Port Size
6-Bolt Circular Mounting (Ø 2.9″)
6-Bolt Circular Mounting (Ø 2.9″)
1 1/2″ Bayonet Style
3/4″ NPT Male
1″ NPT Male

Tech Sheets

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