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Key Cloud...
GN7404 Aluminium Two way breathable membranes oil water repellent equalise pressure dirt dust temperature resistant

Standard Machine Elements > Oil Level Sight Glasses, Level Indicators & Plugs > Breather Filters / Breather Valves
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GN7404 Aluminium Two way breathable membranes, oil / water repellent

images/300/GN7404-Two-way-breathable-membranes-drawing_W.png

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Product Information

GN7404 two-way breathable membranes are used when constructing housings and equipment. When installed in the wall of a housing, they can be used to equalize the pressure between the interior of the housing and the surrounding area.

Any dirt, dust, oil, or water in the gaseous medium is kept out. This prevents dirt and moisture from entering the interior of the housing and prevents oil from dripping into the surrounding area.

In order to protect the membranes, they should not be completely covered with oil or water, and the differential pressure/air permeability volume should not be exceeded. They should be installed on the side/vertically in a protected position.

The external Ø of the housing with the recessed hexagon is designed for tapped plates for DIN 3852 tube fittings.

The seal is embedded in a recess on the planar side. This prevents it from being lost and squeezed outwards during the tightening process.

Specification

Body
Aluminum  AL

Membrane
Non-woven nylon material /
Acrylic copolymer wetting

Membrane enclosure
Plastic (Polyamide PA)

Protective strainer
Stainless Steel  AISI 304

Sealing / O-ring
NBR (Perbunan®)

RoHS compliant

Accessory

Mounting nuts GN543.1

On Request

Body in brass
other membrane pore sizes


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