Plastic

GN 552 Breather caps

ELESA Original design SFN. Info

Form

A	without dipstick
B	with dipstick

Kennziffer

0	with splash shields, with wire mesh filter
1	with splash shields, no filter
2	with splash shields, with PU filter
3	no splash shields, no filter
4	no splash shields, with PU filter

d₁	d₂			d₃	d₄	l₁	l₂	l₃
31	G 1/4	-	-	8	30	9,5	29,5	188
31	G 3/8	M 16 x 1,5	M 18 x 1,5	10	30	9,5	29,5	188
31	G 1/2	M 20 x 1,5	M 22 x 1,5	12	30	9,5	29,5	188
42	G 3/8	-	-	10	41	11,5	36,5	-
42	G 1/2	-	-	12	41	11,5	36,5	-
42	G 3/4	-	-	18	41	11,5	36,5	184
42	G 1	-	-	23	41	11,5	36,5	184
57	G 3/4	-	-	18	56	14	42	-
57	G 1	-	-	23	56	14	42	-
57	G 11/4	-	-	28	56	16	42	184
57	G 11/2	-	-	28	56	16	42	184

Specification

Plastic
temperature resistant up to 120 °C

Upper part (cap)
orange, RAL 2004

Lower part (male thread)
black

Seal
Rubber NBR (Perbunan)

Air filter wire mesh

zinc plated
Filtration 50 ÷ 60 µm

Air filter PU-foam

Polyurethane
Filtration 40 µm
temperature resistant up to 100 °C

Dipstick steel

phosphated
Level markings /
Special lengths GN 109

Plastic characteristics

Information

Operation and application criteria of breather plugs GN 552 see operation description.

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

* Type with Dipstick (type B)
is only available for marks 0, 1 and 2 as follows:
Size 31- all threads
Size 42- G ¾ and 1 only
Size 57 - G 1 1/4 and G 1 1/2 only