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Disposable Breathers   


DC-BB

DC-1

DC-2

DC-3

DC-4

Product Specs DC-BB DC-1 DC-2 DC-3 DC-4
Unit Height (in / mm) 3.90 / 99.06 5.31 / 134.9 6.125 / 155.6 8.125 / 206.4 10.125 / 257.2
Unit Diameter (in / mm) 2.52 / 64.1 2.52 / 64.1 4 / 101.6 4 / 101.6 4 / 101.6
Connection Size 3/8" Multi-Fit (NPT, BSPP, BSPT) 3/8" Multi-Fit (NPT, BSPP, BSPT) 1" Multi-Fit (NPT, BSPT, NPSM) 1" Multi-Fit (NPT, BSPT, NPSM) 1" Multi-Fit (NPT, BSPT, NPSM)
Amount of Silica Gel (lbs / kg) 0.13 / .058 0.28 / .127 0.66 / 0.30 1.22 / 0.56 1.88 / 0.84
Adsorption Capacity (fl oz / ml) 0.79 / 23.3 1.68 / 49.7 4.00 / 118.2 7.45 / 220.3 11.3 / 333
Max. Flow Rate (cfm) 4.55 @ 1 psid 4.16 @ 1 psid 16 @ 1 psid 16 @ 1 psid 16 @ 1 psid
Max. Flow Rate (lpm) 128.84 117.8 453 453 453
Filter Efficiency 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 3µ absolute (β₃≥200)
Operating Temp. Range (°F) -20° to 200° -20° to 200° -20° to 200° -20° to 200° -20° to 200°
Operating Temp. Range (°C) -29° to 93° -29° to 93° -29° to 93° -29° to 93° -29° to 93°
Model Max. Airflow at 1 psid  Recommended Max. Volume
Gearbox / Storage Tank Hydraulic Reservoir
DC-BB 4.55 cfm / 129 lpm 15 gal / 57 L 2 gal / 8 L 
DC-1  4.16 cfm /118 lpm 35 gal / 132 L  5 gal / 19 L 
DC-2  16 cfm / 453 lpm  200 gal / 757 L  60 gal / 227 L 
DC-3  16 cfm / 453 lpm  350 gal / 1325 L 100 gal / 379 L 
DC-4 16 cfm / 453 lpm 500 gal / 1893 L 200 gal / 757 L 

SUGGESTED APPLICATIONS

  • Totes
  • Transformers
  • Storage Tanks
  • Hydraulics

The desiccant breather replaces the standard dust cap or OEM breather cap on equipment. As air is drawn into equipment through the breather, the layered filter elements remove particulate while the desiccant beads strip harmful moisture. While in service or during shut-down, the desiccant beads attract moisture from inside the equipment reservoir, actively drying the equipment.

Seeing Pink?

A pink breather means it has done its job keeping moisture out of your lubricants. Time to replace the breather with a new one.

Description Part Number
1" FNPT x 1" Slip Fit Adapter DC-10-S
1" Threaded Adapter DC-10
1" Male Threaded x 1" Female Threaded Adapter DC-10-T
Bell Reducer 1" to 3/4"-Slip Fit DC-17
1"-3/4" Female to Male Threaded Adapter DC-17-T
1"-1/4" Brass, Threaded Reducer/Adapter DC-18
Threaded Flange Adapter DC-12-T
Threaded Flange Adapter with Gasket DC-12-TG
Bayonet Adapter DC-15-T
3/4" NPT Vent Valve Adapter for Standard and VentGuard Breathers DC-SDVA-12M
1" NPT Vent Valve Adapter for Standard and VentGuard Breathers DC-SDVA-16M
  • Removes moisture in the headspace of equipment
  • Eliminates rust-forming condensation
  • Prevents sludge deposits and water-contaminated oil
  • Prevents contamination ingress
  • Provides longer lubricant life
  • Reduces wear and tear on equipment, prolongs life
APPLICATION AIR VENT HOLES TO OPEN
Gearbox 2
Hydraulic Pump: 0-4 cfm @ 1 PSID / 0-113 L/mn 2
Hydraulic Pump: 4-8 cfm @ 1 PSID / 113-226 L/mn 4
Hydraulic Pump: 8-12 cfm @ 1 PSID / 226-339 L/mn 6
Hydraulic Pump: 12-16 cfm @ 1 PSID / 339-452 L/mn 8

Extended Series Breathers


DC-EX-1

DC-EX-2

DC-EX-3

DC-EX-4

Product Specs DC-EX-1 DC-EX-2 DC-EX-3 DC-EX-4
Unit Height (in / mm) 4.7 / 119 6.4 / 163 8.3 / 208 10.0 / 254
Unit Diameter (in / mm) 5.66 / 143.88 5.66 / 143.88 5.66 / 143.88 5.66 / 143.88
Connection Size 1" Female (FNPT) 1" Female (FNPT) 1" Female (FNPT) 1" Female (FNPT)
Amount of Silica Gel (lbs / kg) 1.2 / 0.54 2.2 / 1.0 3.2 / 1.45 4.2 / 1.91
Adsorption Capacity (fl oz / ml) 7.7 / 228 14.1 / 417 20.5 / 606 27.0 / 798
Max. Flow Rate (cfm) 27 @ 1 psid 26 @ 1 psid 25 @ 1 psid 24 @ 1 psid
Max. Flow Rate (lpm) 765 736 708 680
Filter Efficiency 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 3µ absolute (β₃≥200)
Operating Temp. Range (°F) -20° to 200° -20° to 200° -20° to 200° -20° to 200°
Operating Temp. Range (°C) -29° to 93° -29° to 93° -29° to 93° -29° to 93°
Model Max. Airflow at 1 psid  Recommended Max. Volume
Gearbox / Storage Tank Hydraulic Reservoir
DC-EX-1 27 cfm / 765 lpm 400 gal / 1514 L 100 gal / 379 L 
DC-EX-2 26 cfm / 736 lpm 600 gal / 2271 L  200 gal / 757 L 
DC-EX-3 25 cfm / 708 lpm  800 gal / 3028 L  300 gal / 1136 L 
DC-EX-4 24 cfm / 680 lpm  1000 gal / 3785 L 400 gal / 1514 L 

SUGGESTED APPLICATIONS

  • Storage Tanks
  • Wind Turbines
  • Large Gearboxes/Hydraulics
  • Oil Misting
  • Remote Applications

As wet, contaminated air is drawn through the unit, multiple 3-micron polyester filter elements remove solid particulate, and the color-indicating silica gel extracts moisture. When air is expelled from the container, the top foam pad prevents oil mist from contacting silica gel or entering the atmosphere.  Additionally, the breather is outfitted with a resilient nylon standpipe and polypropylene oil mist reducer to allow oil mist to coalesce and drain back into the reservoir, rather than compromising the desiccant. Six high-quality umbrella check-valves are located underneath the unit to isolate equipment from ambient conditions, prolonging breather life and protecting system integrity.

Seeing Pink?

A pink breather means it has done its job keeping moisture out of your lubricants. Time to replace the breather with a new one.

Description Part Number
3/4" MNPT Steel Vent Valve Adapter for Extended Series Breathers DC-EXVA-12M
1" MNPT Steel Vent Valve Adapter for Extended Series Breathers DC-EXVA-16M
1" MNPT Threaded Steel Adapter for Extended Series Breathers DC-EXA-10
3/4" MNPT Threaded Steel Adapter for Extended Series Breathers DC-EXA-17
  • Removes moisture in the headspace of equipment
  • Eliminates rust-forming condensation
  • Prevents sludge deposits and water-contaminated oil
  • Prevents contamination ingress
  • Provides longer lubricant life
  • Reduces wear and tear on equipment, prolongs life

Ventguard Breathers   


DC-VG-BB

DC-VG-1

DC-VG-2

DC-VG-3

DC-VG-4

Product Specs DC-VG-BB DC-VG-1 DC-VG-2 DC-VG-3 DC-VG-4
Unit Height (in / mm) 3.90 / 99.06 5.31 / 134.9 6.125 / 155.6 8.125 / 206.4 10.125 / 257.2
Unit Diameter (in / mm) 2.52 / 64.01 2.52 / 64.01 4 / 101.6 4 / 101.6 4 / 101.6
Connection Size 3/8" Multi-Fit (NPT, BSPP, BSPT) 3/8" Multi-Fit (NPT, BSPP, BSPT) 1" Multi-Fit (NPT, BSPT, NPSM) 1" Multi-Fit (NPT, BSPT, NPSM) 1" Multi-Fit (NPT, BSPT, NPSM)
Amount of Silica Gel (lbs / kg) 0.13 / .058 0.28 / 0.127 0.66 / 0.30 1.22 / 0.56 1.88 / 0.85
Adsorption Capacity (fl oz / ml) 0.79 / 23.3 1.68 / 49.7 4.00 / 118.2 7.45 / 220.3 11.3 / 333
Max. Flow Rate (cfm) 1.45 @ 1 psid 1.45 @ 1 psid 2.5 @ 1 psid 2.28 @ 1 psid 1.8 @ 1 psid
Max. Flow Rate (lpm) 41.06 41.06 70.5 64.5 50.9
Filter Efficiency 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 3µ absolute (β₃≥200)
Operating Temp. Range (°F) -20° to 200° -20° to 200° -20° to 200° -20° to 200° -20° to 200°
Operating Temp. Range (°C) -29° to 93° -29° to 93° -29° to 93° -29° to 93° -29° to 93°
Model Max. Airflow at 1 psid  Recommended Max. Volume
Gearbox / Storage Tank Hydraulic Reservoir
DC-VG-BB 1.45 / 41.06 lpm 15 gal / 57L 2 gal / 8 L 
DC-VG-1  1.45 / 41.06 lpm 35 gal / 132 L  5 gal / 19 L 
DC-VG-2  2.5 cfm / 70.5 lpm 200 gal / 757 L  60 gal / 227 L 
DC-VG-3  2.28 cfm / 64.5 lpm 350 gal / 1325 L 100 gal / 379 L 
DC-VG-4 1.8 cfm / 50.9 lpm 500 gal / 1893 L 200 gal / 757 L 

SUGGESTED APPLICATIONS

  • Intermittent Operations
  • Gearboxes
  • Low-Flow Applications
  • High-Humidity
  • Washdown

Check-valves on the bottom of the unit isolate the system until equipment needs to breathe. As air is drawn into equipment through the breather, the layered filter elements remove particulate while the desiccant beads strip harmful moisture. While in service or during shutdown, the desiccant beads attract moisture from inside the equipment reservoir, actively drying the equipment.

Seeing Pink?

A pink breather means it has done its job keeping moisture out of your lubricants. Time to replace the breather with a new one.

Description Part Number
1" FNPT x 1" Slip Fit Adapter DC-10-S
1" Threaded Adapter DC-10
1" Male Threaded x 1" Female Threaded Adapter DC-10-T
Bell Reducer 1" to 3/4"-Slip Fit DC-17
1"-3/4" Female to Male Threaded Adapter DC-17-T
1"-1/4" Brass, Threaded Reducer/Adapter DC-18
Threaded Flange Adapter DC-12-T
Threaded Flange Adapter with Gasket DC-12-TG
Bayonet Adapter DC-15-T
3/4" NPT Vent Valve Adapter for Standard and VentGuard Breathers DC-SDVA-12M
1" NPT Vent Valve Adapter for Standard and VentGuard Breathers DC-SDVA-16M
  • Removes moisture in the headspace of equipment
  • Eliminates rust-forming condensation
  • Prevents sludge deposits and water-contaminated oil
  • Prevents contamination ingress
  • Provides longer lubricant life
  • Reduces wear and tear on equipment, prolongs life

Hydroguard & Extreme Duty Breathers   


DC-HG-1

DC-HG-8

DC-XD-6

Product Specs DC-HG-1 DC-HG-8 DC-XD-6
Unit Height (in / mm) 7.22 / 183 9.75 / 247.66 6.51 / 165.4
Unit Diameter (in / mm) 2.52 / 64 4.1 / 104.1 5.1 / 129.5
Connection Size 3/8" Multi-Fit (NPT, BSPP, BSPT) 1" Multi-Fit (NPT, BSPP, BSPT) 1 1/2" x 16 UN female thread
Amount of Silica Gel (lbs / kg) 0.28 / 0.125 0.65 / 0.24 1.75 / 0.79
Adsorption Capacity (fl oz / ml) 1.68 / 49.6 4.05 / 120 1.75 / 0.79
Max. Flow Rate (cfm) 1.41 @ 1 psid 2.5 @ 1 psid 16 @ 1 psid
Max. Flow Rate (lpm) 39.93 70.5 456
Filter Efficiency 3µ absolute (β₃≥200) 3µ absolute (β₃≥200) 0.3µ absolute (β₃≥200)
Operating Temp. Range (°F) -20° to 93° -20° to 200° -40° to 300°
Operating Temp. Range (°C) -29° to 93° -29° to 93° -40° to 149°
Model Max. Airflow at 1 psid  Recommended Max. Volume
Gearbox / Storage Tank Hydraulic Reservoir
DC-HG-1 1.41 cfm / 39.93 lpm 50 gal / 189 L N/A
DC-HG-8 2.5 cfm / 70.5 lpm 400 gal / 1514 L 55 gal / 208 L
DC-XD-6 16 cfm / 456 lpm 500 gal / 1893 L 200 gal / 757 L

APPLICATIONS (HYDROGUARD)

  • Steady-State Operations
  • Gearboxes
  • High Humidity
  • Washdowns
  • Low Flow Applications

APPLICATIONS (EXTREME DUTY)

  • Harsh Environments
  • Mobile & Off-Road Equipment
  • Hydraulics
  • Wash Downs
  • High Vibration/Impact
  • Nautical Applications

Check-valves on the bottom of the unit isolate the system until equipment needs to breathe. As air is drawn into equipment through the breather, the layered filter elements remove particulate while the desiccant beads strip harmful moisture. While in service or during shutdown, the desiccant beads attract moisture from inside the equipment reservoir, actively drying the equipment.

Seeing Pink?

A pink breather means it has done its job keeping moisture out of your lubricants. Time to replace the breather with a new one.

Description (HydroGuard Adapters) Part Number
1" FNPT x 1" Slip Fit Adapter DC-10-S
1" Threaded Adapter DC-10
1" Male Threaded x 1" Female Threaded Adapter DC-10-T
Field Flange Adapter-Slip Fit (DC-HG-8 only) DC-12-S
Bell Reducer 1" to 3/4"-Slip Fit DC-17
1"-3/4" Female to Male Threaded Adapter DC-17-T
1"-1/4" Brass, Threaded Reducer/Adapter DC-18
Threaded Flange Adapter DC-12-T
Threaded Flange Adapter with Gasket DC-12-TG
Bayonet Adapter DC-15-T


Description (Extreme Duty Adapters) Part Number
1 " NPT Threaded Adapter for DC-XD-6 DC-DSA-10
3/4" NPT Threaded Adapter for DC-XD-6 DC-DSA-17
3/4" NPT Vent Valve Adapter for DC-XD-6 DC-XDVA-12M
1" NPT Vent Valve Adapter for DC-XD-6 DC-XDVA-16M
  • Removes moisture in the headspace of equipment
  • Eliminates rust-forming condensation
  • Prevents sludge deposits and water-contaminated oil
  • Prevents contamination ingress
  • Provides longer lubricant life
  • Reduces wear and tear on equipment, prolongs life

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