GN 552.1 Breather caps with sealing washer


ELESA Original design
code: SFV.

Product description


Breather plugs GN 552.1 with sealing disc vents the tank after a lower pressure of 10 or 100 mbar respectively is reached.

The sealing disc prevents the contamination of the oil from the outside (dust) and an air filter is not required.

In addition this ensures that no oil can spill to the outside, neither by excessive agitation in the tank nor during transport.


temperature resistant up to 100 °C
  • Upper part (cap)
    orange, RAL 2004OROR

Lower part (threaded part)
  • Sealing washer, black

O-Ring / Sealing ring
Rubber NBR (Perbunan)

Thrust spring Stainless Steel

On request

Breather caps with other opening pressures

Technical drawing

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GN 552.1 Breather caps with sealing washer, Plastic sketch

Article options / Table

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d1d2d1Opening pressure
in mbar ±20 %
31G 1/4--101008301030
31G 3/8M 16 x 1,5M 18 x 1,51010010301030
31G 1/2M 20 x 1,5M 22 x 1,51010010301030
42G 3/4--1010016411237
42G 1--1010016411237

Build & Price

Outside diameter d1
Inch thread d2
Fine thread d1
Opening pressure

Selected Part (How to order)

Weight: 0,011 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/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)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 Euro -> 10 % discount
from 275,00 Euro -> 20 % discount
from 375,00 Euro -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

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