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DES-CASE (DC-HG-1) Hydroguard™ Hybrid Bladder Breather

DES-CASE (DC-HG-1) Hydroguard™ Hybrid Bladder Breather

The breather is outfitted with an expansion chamber to isolate lubricants from all levels of ambient humidity. A clear rugged polycarbonate casing allows for viewing desiccant as it changes colour, indicating that the breather should be replaced. Check valves ensure no excess pressure / vacuum builds.

Key Features:

  • Unit Height (in/mm): 7.22” / 183 mm
  • Unit Diameter (width in/mm):  2.52” / 64 mm
  • Amount of Silica Gel (lbs/kg): 0.28 lbs. / 125.1 g
  • Adsorption Capacity (fl oz/ml): 1.68 fl. oz. / 49.6 mL
  • Max. Flow Rate (cfm): 1.41 @ 1 psid
  • Max. Flow Rate (lpm): 39.93
  • Filtration:   absolute (>200)
  • Operating Temp. Range (°F): -20°F to 200°F
  • Operating Temp. Range (°C): -29°C to 93°C
  • Hydrophilic Agent: Silica gel
  • Filter Media: Polyester
  • Connection Size: 3/8” Multi-fit (NPT, BSPP, BSPT)
  • Body Material: Polycarbonate, Nylon, Polypropylene, Polyester, Polyurethane, Buna-N, PVC
  • Expansion Chamber Volume: 1.935 in 3


  • Expansion chamber and internal check valve system create a nearly sealed system
  • Integrated nylon standpipe and clear polycarbonate casing allow for greater chemical compatibility and vibration resistance
  • Filter element captures particles at 3 micron absolute (>200)


  • Eliminates rust-forming condensation
  • Prevents sludge deposits and water-contaminated oil
  • Provides longer oil and filter life
  • Reduces wear and tear on equipment, prolongs life

Ideal for:

  • Gearboxes
  • High-humidity applications

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  • Model: DC-HG-1 Hybrid Breather
  • Shipping Weight: 2 kg
  • Manufactured by: DES-CASE

This product was added to our catalog on Thursday 10 April, 2014.