JW Winco GN 7404 Two-Way Breathable Membranes

JW Winco's GN 7404 two-way breathable membranes prevent dirt, water and oil from entering or leaving a system.

Jw Winco Gn7404 Membrane
Winco Logo 2016 4c Large

With a pore size of 1.2 µm, oleophobic and hydrophobic membranes GN 7404 from JW Winco provide reliable aeration and ventilation.

  • Does not allow dirt particles, droplets of oil or water to pass through membrane
  • Dirt and moisture are kept away from inside of housing, and lubricants such as oils cannot escape
  • Protected against mechanical stress by protective sieve made of stainless steel
  • Should be installed in vertical surfaces so that no liquids can collect on membrane, which could impair pressure balance
  • Nominal differential pressure P1 to P2 of 1 bar (14.5 psi)
  • Maximum air flow, depending on diameter, is up to 34 l/min (
  • Retains function up to external pressure differential of 2 bar (29 psi) or internal pressure differential of up to 10 bar (145 psi)
  • Maximum operating temperature is 100 C (212 F)
  • Membranes made of nylon fleece impregnated with acrylic copolymer
  • Porosity remains unchanged and can range between 0.2 and 10 µm if desired
Request More Information
Fill out the form below to request more information about JW Winco GN 7404 Two-Way Breathable Membranes