GN 774 Breather caps Plastic, with filter, with double valve


ELESA original design
code: SFW./SFW+a

Product description


Function and operational criteria of breather plugs GN 774 see function description.

Breather caps are fitted either with a threaded neck or with a bayonet connection and they can also be combined with a filler strainer GN 664 or GN 664.1.

The bayonet version is fitted with a chain to avoid losing it.

MAX-MIN markings can easily be added to the flats of a dipstick (see GN 109).


Plastic (Polyamide PA)
temperature resistant up to 100 °C
  • Upper part (cap)
    orange, RAL 2004OROR
  • Lower part (threaded part / bayonet)
    black, matt

Sealing ring rubber NBR (Perbunan)

Air filter PU-foam (Polyurethane)
  • Filtration 40 µm
  • temperature resistant up to 100 °C

Steel, phosphated

Level markings /
Special lengths GN 109


Technical drawing

Hide technical drawing
GN 774 Breather caps with filter and double valve sketch

Article options / Table


Awithout dipstick
Bwith dipstick (not available in size 57-G3/4 and size 70-G2)
Show / Hide columns

Opening pressure
in mbar
57G 3/4-350 Opening pressure700* Opening pressure35165613648---
70G 3/4-350 Opening pressure700* Opening pressure35166815663--188
70G 11/4-350 Opening pressure700* Opening pressure-256817-59--195
70G 2-350 Opening pressure700* Opening pressure-256817-59---
70-BA 39350 Opening pressure700* Opening pressure-2568---1456195
* not available from stock, requires a minimum order quantity

Build & Price

Outside diameter d1
Bayonet d2
Opening pressure

Selected Part (How to order)

Weight: 0,067 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 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 150 Euro -> 10 % discount
from 250 Euro -> 20 % discount
from 350 Euro -> 30 % discount
All prices in accordance with our price list No. 51, valid from 1 February 2018, plus VAT only valid for Germany.

CAD data


For getting CAD data please enter you Email adress. But we would be pleased, if you are fully registered.

Please enter the code you can find in the picture.

Save as favourite

Please enter the code you can find in the picture.

Do you find your product ?

Our Service-Team is available from Monday to Friday from 7:00 until 17:30: +49 7723 6507 - 100

To the customised elements | To the contact persons

This could also be interesting...


Our service team is available from Monday to Friday between 7am and 5:30pm:

+49 7723 6507 - 0

Or use the practical callback service:

Privacy Policy

Ganter Catalogue

The new catalogue 16.0 with countless standard parts and elements and many exciting ideas for constructive problem solutions.


Ask for it free of charge

Ganter sales partners

You are looking for a Ganter partner near you? Please select the country.