GN 7404 Pressure Equalization Plugs Aluminum, Oil / Water Repellent

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Product description

Information

GN 7404 pressure equalization plugs 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 flat underside. This prevents it from being lost and squeezed outwards during the tightening process.

Specification

Body
AluminumAL

Membrane
Non-woven nylon material /
Acrylic copolymer wetting

Membrane enclosure
Plastic (Polyamide PA)
  • Glass fiber reinforced
  • Temperature resistant up to 212 °F (100 °C)

Protective strainer
Stainless steel
European Standard No. 1.4301 (AISI 304)

Sealing / o-ring
NBR rubber (Perbunan®)


RoHS compliant

Accessory

Mounting nuts GN 543.1

On request

Body in brass
Other membrane pore sizes

Technical drawing

3D
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GN 7404 Aluminum Pressure Equalization Plugs, Oil / Water Repellent sketch

Part Options / Table

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Metric

Dimensions in: Inch | Metric
d1
d1d2d3l1l2sMembrane
pore size
in µm
Differential pressure Δ 1  bar 
Air permeability volume
in l/min
G 1/2M 20 x 1.51.02.39.33.30.911.211
G 3/4M 26 x 1.51.26.55.35.311.181.221
G 1M 33 x 1.51.57.79.43.331.421.234

Build & Price

Material

Thread d1
Thread d1
Membrane pore size

Technical parameters

The maximum air permeability volume, the maximum pressure differential, and the maximum rated/burst pressure are all important when using membranes. There is a linear correlation between the air permeability volume which can be achieved and the differential pressure, which should not exceed 1 bar.

Air permeability volume dependent on differential pressure

Differential pressure, burst pressure

Resistances

Thermal -

The membrane enclosure may not be used in temperatures exceeding 100 °C. The membrane itself can resist temperatures of up to 150 °C.

Chemical -

The membranes are resistant to a wide range of chemical substances frequently used in mechanical and automotive engineering, e.g., oils, fuels, organic solvents, and alcohols. A tolerability test should be performed if you have any doubts.

Selected Part

Total US Dollars (net)
$10.39
In stock: 0
Call / Email for Delivery Time
Please note our quantity discounts (US Dollars).
MinMaxPrice
149$10.39
5099$9.52
100249$8.66
≥ 250$7.79
Weight: 0.023 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
RoHS compliant: Yes
This article conforms to RoHS, which means it complies with EU Directive 2011/65/EU for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
All Prices are in US Dollars. Taxes Not Included.

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