Home Accessories for Hydraulic Systems Breather caps SFX.

SFX.

Breather caps

with splash guard and external anti-splash semi-discs, technopolymer

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With anti-splash semi-discs, without air filter

SFX+P+F

Breather caps

With anti-splash semi-discs and air filter

Description

Main specifications

Material

Polyamide based (PA) technopolymer.

Cap: semi-matte finish, black colour, with “fill” symbol.

Threaded connector and external anti-splash semi-discs, black colour.

Packing rings

NBR synthetic rubber.

Standard executions

SFX.: with splash guard, without air filter.

SFX+F: with splash guard, 'tech-foam' air filter in polyurethane foam mesh (polyester base), air filtration 40 µ.

SFX+P: with splash guard and external anti-splash semi-discs, without air filter.

SFX+P+F: with splash guard and external anti-splash semi-discs and “tech-foam” air filter in polyurethane foam mesh (polyester base), air filtration 40 µ.

Maximum continuous working temperature

100°C.

General information

Features and applications

The SFX. breather caps are made with a special internal geometry (Elesa patent) that prevents the leakage of fluids through a linear labyrinth (splash guard effect) and promotes condensation of the outgoing vapours.

The external snap-on anti-splash discs (execution+P) located at the mouth of the threaded fitting hole, are made up of fins offset from each other so as to constitute an additional labyrinth in the most critical cases of strong fluid projections.

Technical data

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

Other executions

Special executions on request

Neutral cap without symbols.

Cap in RAL 3000 red colour.

Threaded fitting also with American conical gas threading NPT - ANSI-ASME B1-20 for the descriptions marked in the table with #.

SFX+P+F

		d	D	L	d₂	d₃	l₁	h
Code	Description									Actions
53252	SFX.30-M20x1.5+P+F	M20x1.5	31	29.5	12	23	26	9.5	26
53272	SFX.30-M22x1.5+P+F	M22x1.5	31	29.5	12	23	26	9.5	26
53292	SFX.40-M24x1.5+P+F	M24x1.5	42	36.5	18	30	28.5	11.5	35
53312	SFX.40-M26x1.5+P+F	M26x1.5	42	36.5	18	30	28.5	11.5	35
53332	SFX.57-M30x1.5+P+F	M30x1.5	57	42	23	30	31	14	49
53456	SFX.30-1/2+P+F	G1/2	31	29.5	12	18	26	9.5	17
53536	SFX.40-1/2+P+F#	G1/2	42	36.5	12	18	28.5	11.5	35
53576	SFX.40-3/4+P+F#	G3/4	42	36.5	17	23	28.5	11.5	35
53616	SFX.40-1+P+F	G1	42	36.5	23	30	28.5	11.5	35
53656	SFX.57-3/4+P+F	G3/4	57	42	18	23	31	14	49
53696	SFX.57-1+P+F	G1	57	42	23	30	31	14	49
53736	SFX.57-1¼+P+F	G1 1/4	57	44	32	30	33	16	49
53776	SFX.57-1½+P+F	G1 1/2	57	44	38	30	33	16	49

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