SFV. Breather caps

with valve, technopolymer

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Technical specifications

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Main specifications

Cover

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

  • SFV.: RAL 2004 orange, with graphic symbol "valve".
  • SFV.....-C9: RAL 9005 black colour, with graphic symbol "valve".
  • SFV.....-C2-N: RAL 2004 orange, without graphic symbol "valve".
  • SFV.....-C9-N: RAL 9005 black colour, without graphic symbol "valve".

Threaded fitting

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

Packing ring

NBR synthetic rubber flat washer.

Sealing disk

Technopolymer with NBR synthetic rubber O-ring.

Spring

Stainless steel

Standard executions

  • SFV-10 mb: valve (sealing disk) opens when pressure exceeds 0.010 bar (set at 10 mb).
  • SFV-100 mb: valve (sealing disk) opens when pressure exceeds 0.100 bar (set at 100 mb).
General information

Features and applications

SFV. valve breather caps are particularly suitable for all those applications (speed reducers, variators or compressors) when the internal air pressure must not exceed a certain value (10 or 100 mb).

In these cases, the safety valve of the cap allows the expulsion of the exceeding air in the reservoir, thus re-establishing the pressure values for which the valve is set.

Sealing disc (closed in normal pressure conditions) prevents dust from getting in and oil-losses.

SFV-10 mb - For pressures above 0.010 bar, with "valve" graphic symbol 
Elesa
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