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VentGuard™ Desiccant Series Breathers

Des-Case VentGuard™ breathers have check-valve technology that isolates the system and only ‘breathes’ when necessary, making them an ideal solution to protect low-flow applications with intermittent operations. Check valves provide slight system pressurization that allows for controlled breathing without excessive pressure build-up. The system breathes only when pressured to do so, and then the air is cleaned and dried before it is introduced into the system, ensuring a clean, dry headspace. This control mechanism also prevents premature saturation of the silica gel and extends breather life, a problem not as easily tackled by standard desiccant breathers exposed to extreme moisture.

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Features

By the Numbers

VentGuard Breather Cutaway1–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–Larger, High-Capacity Check Valves
High-capacity check valves allow for increased airflow at low cracking pressure.

7-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.

8–Enhanced Seal
An enhanced seal eliminates potential for airflow bypass.

Applications

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

Specifications

Model
DC-VG-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
1 cfm (41 lpm)

Operating Temp. Range
-20°F to 200°F (-29°C to 93°C)

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

Suction/Return Rate at 1 psid
11 gpm (41 lpm)

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

Hydraulic Reservoir Max. Volume
2 gal (8 L)

DC-VG-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
1 cfm (41 lpm)

Operating Temp. Range
-20°F to 200°F (-29°C to 93°C)

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

Suction/Return Rate at 1 psid
11 gpm (41 lpm)

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

Hydraulic Reservoir Max. Volume
5 gal (19 L)

DC-VG-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
12 cfm (340 lpm)

Operating Temp. Range
-20°F to 200°F (-29°C to 93°C)

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

Suction/Return Rate at 1 psid
90 gpm (340 lpm)

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

Hydraulic Reservoir Max. Volume
60 gal (227 L)

DC-VG-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
11 cfm (311 lpm)

Operating Temp. Range
-20°F to 200°F (-29°C to 93°C)

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

Suction/Return Rate at 1 psid
82 gpm (311 lpm)

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

Hydraulic Reservoir Max. Volume
100 gal (379 L)

DC-VG-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 (356 ml)

Max. Flow Rate
11 cfm (311 lpm)

Operating Temp. Range
-20°F to 200°F (-29°C to 93°C)

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

Suction/Return Rate at 1 psid
82 gpm (311 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-15-T
DC-SDVA-12M
DC-SDVA-16M

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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