Polyamide based (PA) technopolymer.

  • Cover: RAL 2004 orange, semi-matte finish, marked "OIL".
  • Threaded connector: black colour, semi-matte finish.

Packing ring

NBR synthetic rubber.

Standard executions

  • SFN.: without air filter.
  • SFN+F: with "tech-foam" air filter in polyurethane foam mesh (polyester base), air filtration 40 µ.
  • SFN.70-BA+F: with "tech-foam" air filter in polyurethane foam mesh (polyester base), air filtration 40 µ.

Zinc-plated steel sheet bayonet.

Chrome-plated steel safety chain.

Maximum continuous working temperature

100°C for execution with "tech-foam" air filter.

Features and applications

SFN. breather caps, owing to their high air flow rate, are particularly suitable for use on hydraulic power packs or tanks subject to rapid changes in liquid volume.

Technical data

Air flow rate for each model can be determined from the graph calculating the difference between the pressure inside and outside the reservoir.


Special executions on request

  • Cover, RAL 2004 orange, without "OIL" mark.
  • Black cover with or without "OIL" mark.
  • Threaded connector also with NPT thread (National Taper pipe Thread - ANSI-ASME B1-20) for the codes marked with # in the table.


Feeling overwhelmed with what product to choose?

Don’t delay, give OIC a call and talk to us about your industrial application. Our aim is to help your business choose the right Elesa+Ganter element for the function you need. Whether you need to clamp, close, connect, control, level, manoeuvre, measure or set. OIC has an Elesa+Ganter machine element to fit your need.

We want to find out about your industrial application need and where we can help. Our contact details are below.