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Water contamination is a major culprit in lubrication based failures.
One of the primary means which water enters a system is through
the air. External breathers without any defense against moisture
allow unwanted water into the system. The solution? A hygroscopic breather, which removes moisture from
the air before it enters the system. |
The Fluid Life Corporation is proud to offer a line of hygroscopic breathers
manufactured by the Des-Case Corporation in order to combat
airborne moisture contamination.
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Hygroscopic Breather Selection Wizard
This wizard will guide you through the selection process based on your particular
industrial requirements or request more information to help us make the best recommendation for a particular model. |
Which breather is right for you?
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| Please Note: A greater selection of Hygroscopic Breathers are available from Fluid Life than those listed below. Use the Hygroscopic Breather Selection Wizard above or consult with your Regional Account Manager for more details on a breather that suits your specific needs. |
Disposable Breathers (DC-1, DC-2, DC-3, DC-4) provide the most cost-effective means of protection. A clear body allows the user to easily recognize when the breather must be changed. The blue silica gel inside changes to a light pink color when maximum water adsorption has been reached. Three-micron filtration exceeds most industry standards.
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Miniature Disposable Desiccant Breathers
The diminutive design of the miniature desiccant breather aids installation in confined areas.
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| Model# |
DC-BB |
DC-1 |
| Unit Height |
3" / 7.62 cm |
5" / 12.7 cm |
| Unit Diameter |
2.75" / 6.99 cm |
2.75" / 6.99 cm |
| Amount of Silica gel (oz/g) |
2 oz./57g |
4 oz./113g |
| Adsorption Capacity (fl.oz/mL) |
0.8 fl oz. / 24 mL |
1.5 fl oz. / 45 mL |
| Max. Flow Rate (cfm) |
1 @ 1PSID |
1 @ 1PSID |
| Filtration (µ absolute) |
3 |
3 |
| Op. Temp. Range (°F/°C) |
-20/-28.9 to 200/93 |
-20/-28.9 to 200/93 |
| Hydorphilic Agent |
Silica Gel |
Silica Gel |
| Filter Media |
Polyester |
Polyester |
| Connection Size (NPT) |
3/8" |
3/8" |
Regular Disposable Desiccant Breathers
Des-Case breathers incorporate a proven, field-tested design. They prevent water and
contaminants from entering fluid reservoirs as differential pressures occur through thermal
expansion and contraction of the fluid, or during the filling or emptying process.
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| Model# |
DC-2 |
DC-3 |
DC-4 |
| Unit Height |
6.125" / 15.56 cm |
8.125" / 20.64 cm |
10.125" / 25.72 cm |
| Diameter |
4" / 10.16 cm |
4" / 10.16 cm |
4" / 10.16 cm |
Shipping Weight
(unit/case) |
1 lb. 3 oz./9 lbs. |
1 lb. 12 oz./11 lbs. 8 oz. |
2 lb. 7 oz./16 lbs. |
| Amount of Silica Gel |
11 oz./0.31 kg |
1 lb. 4oz/0.56 kg |
1 lb. 14oz/0.85 kg |
| Adsorption Capacity (fl.oz/mL) |
0.13 L |
0.23 L |
0.35 L |
| Max. Flow Rate (cfm) |
16 @ 1PSID |
16 @ 1PSID |
16 @ 1PSID |
| Op. Temp. Range (°F/°C) |
-20°F to 200°F
-29°C to 93°C |
-20°F to 200°F
-29°C to 93°C |
-20°F to 200°F
-29°C to 93°C |
| Body Material |
Nylon &
Polycarbonate |
Nylon &
Polycarbonate |
Nylon &
Polycarbonate |
| Hydorphilic Agent |
Silica Gel |
Silica Gel |
Silica Gel |
| Filter Media |
Polyester |
Polyester |
Polyester |
| Connection Size (NPT) |
1" |
1" |
1" |
Hydroguard Disposable Breathers
The Hydroguard breather is the ideal solution for the management of lubricant condition in washdown applications or high humidity environments where there are increased incidences of gearbox and lubricant failure due to moisture ingress.
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| Model# |
DC-HG-8 |
DC-VG-1 |
| Unit Height |
9.75" / 24.76 cm |
5" / 12.7 cm |
| Unit Diameter |
4.1" / 10.41 cm |
2.75" / 6.99 cm |
| Amount of Silica gel (oz/g) |
10.4 oz./240g |
4 oz./113g |
| Adsorption Capacity (fl.oz/mL) |
4.05 fl oz. / 120 mL |
1.5 fl oz. / 45 mL |
| Max. Flow Rate (cfm) |
2.5 @ 1PSID |
0.9 @ 1PSID |
| Filtration (µ absolute) |
3 |
3 |
| Op. Temp. Range (°F/°C) |
-20/-28.9 to 200/93 |
-20/-28.9 to 200/93 |
| Hydorphilic Agent |
Silica Gel |
Silica Gel |
| Filter Media |
Polyester |
Polyester |
| Connection Size (NPT) |
1" |
3/8" |
Extreme Duty Breathers
These breathers are ideal for:
- harsh environments
- high temperatures
- mobile or nautical applications
| Model# |
DC-XD6 |
| Unit Height |
6.51" / 16.54 cm |
| Diameter |
5.1" / 12.95 cm |
| Hydrophilic Agent |
Silica Gel |
| Amount of Silica Gel |
1 lb. 12 oz. / 0.79 kg |
| Adsorption Capacity |
10.72 fl. oz. / 315 mL |
| Op. Temp Range (F/C) |
-20/-29 to 300/148.89 |
| Filter Media |
ePTFE |
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Nondessicant Breathers
These breathers create an impenetrable barrier against water droplets in even the harshest environments
and are constructed with a rugged ABS plastic housing.
Features include:
- Pleated element that provides a large surface area
and is 99.5% efficient in blocking particles 1 µ and larger.
- Ability to coalesce oil mist, preventing contamination of working
environment (TriplePlay only)
- Visual vacuum indicator option actuates before maximum restriction is reached.
- Easy installation requires hand tighten only.
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| Model# |
DC-SB-25 |
DC-SB-35 |
| Unit Height |
5" / 12.7 cm |
5" / 12.7 cm |
| Filtration Area |
180 in.2/1161 cm2 |
180 in.2/1161 cm2 |
| Amount of Silica gel (oz/g) |
n/a |
n/a |
| Adsorption Capacity (fl.oz/mL) |
n/a |
n/a |
| Max. Flow Rate (cfm) |
40 @ 1PSID |
40 @ 1PSID |
| Filtration (µ absolute) |
1 |
1 |
| Op. Temp. Range (°F/°C) |
-20/-28.9 to 200/93.3 |
-20/-28.9 to 200/93.3 |
| Hydorphilic Agent |
n/al |
n/a |
| Filter Media |
ePTFE |
ePTFE |
| Connection Size (NPT) |
1" |
1" |
Accessories For Disposable Breathers
We provide a range of disposable breather accessories for easy adaptation to your specific applications and working environment.
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Optional Accessories
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Threaded Adaptors
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DC-10
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Field Adaptors
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DC-12
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Flange Adaptors
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DC-15
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| Rebuildable Steel Breathers and Accessories |
Rebuildable Steel Breathers and Accessories
These rugged breathers available in carbon steel and stainless steel models provide maximum filtration in the harshest environments.
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| Model # |
DC-RS-3 |
DC-RS-5 |
DC-RS-9 |
DC-RS-15 |
DC-RS-25 |
| Height (in./cm) |
11.5/29.2 |
13.75/34.9 |
18.25/46.4 |
19.25/48.9 |
22.5/57.1 |
| Width (in./cm) |
10.13/25.72 |
10.13/25.72 |
10.13/25.72 |
15.5/39.37 |
15.5/39.37 |
| Connection Size (NPT) |
2" |
2" |
2" |
3" |
3" |
| Amount of Dessicant (lbs./kg) |
3/1.36 |
5/2.27 |
9/4.08 |
15/6.80 |
25/11.34 |
| Flow rate at 0.5 PSID (cfm) |
85 |
85 |
80 |
205 |
140 |
| Approx. Dry Weight (lbs./kg) |
16/7.26 |
20/9.07 |
27/12.25 |
49/22.23 |
64/29.03 |
| Absorption Capacity (L/gal) |
0.54/0.14 |
0.90/0.24 |
1.62/0.43 |
2.7/0.71 |
4.5/1.19 |
| Operating Temp. F/C |
-20 to 220F
-29 to 104C |
-20 to 220F
-29 to 104C |
-20 to 220F
-29 to 104C |
-20 to 220F
-29 to 104C |
-20 to 220F
-29 to 104C |
| Model # |
DC-RS-50 |
DC-RS-75 |
DC-RS-100 |
DC-RS-150 |
DC-RS-200 |
| Height (in./cm) |
31.25/79.4 |
39.75/101 |
31/78.7 |
36.75/93.3 |
42.75/108.6 |
| Width (in./cm) |
15.5/39.37 |
15.9/39.37 |
23.5/59.69 |
23.5/59.69 |
23.5/59.69 |
| Connection Size (NPT) |
3" |
3" |
4" |
4" |
4" |
| Amount of Dessicant (lbs./kg) |
50/22.68 |
75/34.02 |
100/45.36 |
150/68.04 |
200/90.72 |
| Flow rate at 0.5 PSID (cfm) |
115 |
80 |
270 |
250 |
240 |
| Approx. Dry Weight (lbs./kg) |
100/45.36 |
144/65.32 |
190/86.18 |
253/114.76 |
315/142.88 |
| Absorption Capacity (L/gal) |
9.0/2.38 |
13.5/3.57 |
18.0/4.75 |
27.0/7.13 |
36.0/9.51 |
| Operating Temp. F/C |
-20 to 220F
-29 to 104C |
-20 to 220F
-29 to 104C |
-20 to 220F
-29 to 104C |
-20 to 220F
-29 to 104C |
-20 to 220F
-29 to 104C |
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