SFN. Breather caps

Technopolymer

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Technical specifications

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Main specifications

Cover

Polyamide based (PA) technopolymer, semi-matte finish.

  • SFN.: RAL 2004 orange, marked "OIL".
  • SFN......-C9: RAL 9005 black colour, marked "OIL".
  • SFN......-C2-N: RAL 2004 orange, without "OIL" mark.
  • SFN......-C9-N: RAL 9005 black colour, without "OIL" mark.

Threaded fitting

Polyamide based (PA) technopolymer, black colour, semi-matte finish.

Packing ring

NBR synthetic rubber flat washer.

Standard executions

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

General information

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 the different executions of breather caps can be obtained from the diagram on the basis of the difference of air pressure inside and outside the reservoir.

SFN. - Without air filter, marked "OIL" 
Other executions

Special execution on request

Threaded connector also with NPT thread (National Taper Pipe Thread - ANSI-ASME B1-20) for the codes marked with # in the table.

Inch sizes available on request
Elesa
Models all rights reserved in accordance with the law. Always mention the source when reproducing our drawings and photos.

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