GN 883Breather Valves

Breather Valves

Brass

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Breather Valves
Breather Valves

GN 883

Reset
Catalogue
d1
Opening pressure
in mbar
min.
Opening pressure
in mbar
max.
d2
d3
e1
e2
l1
l2
l3
l4
l5
GN 883-M10x1-20-A-MS
M 10 x 1
20
80
14.5
-
16
-
6
6
-
-
-
GN 883-M10x1-160-A-MS
M 10 x 1
160
240
14.5
-
16
-
6
6
-
-
-
GN 883-M12x1,5-20-A-MS
M 12 x 1.5
20
80
18
-
19.5
-
6.5
6
-
-
-
GN 883-M12x1,5-160-A-MS
M 12 x 1.5
160
240
18
-
19.5
-
6.5
6
-
-
-
GN 883-M14x1,5-20-A-MS
M 14 x 1.5
20
80
20
-
19.5
-
6.5
6
-
-
-
GN 883-M14x1,5-160-A-MS
M 14 x 1.5
160
240
20
-
19.5
-
6.5
6
-
-
-
GN 883-M16x1,5-20-A-MS
M 16 x 1.5
20
80
22
-
25
-
9
11
-
-
-
GN 883-M16x1,5-160-A-MS
M 16 x 1.5
160
240
22
-
25
-
9
11
-
-
-
GN 883-M10x1-20-B-MS
M 10 x 1
20
80
-
12.5
-
18.5
-
-
8
7
16
GN 883-M10x1-160-B-MS
M 10 x 1
160
240
-
12.5
-
18.5
-
-
8
7
16
GN 883-M12x1,5-20-B-MS
M 12 x 1.5
20
80
-
12.5
-
18.5
-
-
7.5
7
16.5
GN 883-M12x1,5-160-B-MS
M 12 x 1.5
160
240
-
12.5
-
18.5
-
-
7.5
7
16.5
GN 883-M14x1,5-20-B-MS
M 14 x 1.5
20
80
-
12.5
-
18.5
-
-
7.5
7.5
16.5
GN 883-M14x1,5-160-B-MS
M 14 x 1.5
160
240
-
12.5
-
18.5
-
-
7.5
7.5
16.5
GN 883-M16x1,5-20-B-MS
M 16 x 1.5
20
80
-
12.5
-
24
-
-
7.5
7.5
16.5
GN 883-M16x1,5-160-B-MS
M 16 x 1.5
160
240
-
12.5
-
24
-
-
7.5
7.5
16.5
GN 883-G1/4-20-A-MS
G 1/4
20
80
20
-
19.5
-
6.5
6
-
-
-
GN 883-G1/4-160-A-MS
G 1/4
160
240
20
-
19.5
-
6.5
6
-
-
-
GN 883-G3/8-20-A-MS
G 3/8
20
80
23
-
25
-
9
11
-
-
-
GN 883-G3/8-160-A-MS
G 3/8
160
240
23
-
25
-
9
11
-
-
-
GN 883-G1/2-20-A-MS
G 1/2
20
80
26
-
31
-
8.5
11
-
-
-
GN 883-G1/2-160-A-MS
G 1/2
160
240
26
-
31
-
8.5
11
-
-
-
GN 883-G3/4-20-A-MS
G 3/4
20
80
32
-
37
-
8.5
11
-
-
-
GN 883-G3/4-160-A-MS
G 3/4
160
240
32
-
37
-
8.5
11
-
-
-
GN 883-G1/4-20-B-MS
G 1/4
20
80
-
12.5
-
18.5
-
-
7.5
7.5
16.5
GN 883-G1/4-160-B-MS
G 1/4
160
240
-
12.5
-
18.5
-
-
7.5
7.5
16.5
GN 883-G3/8-20-B-MS
G 3/8
20
80
-
12.5
-
24
-
-
7.5
7.5
16.5
GN 883-G3/8-160-B-MS
G 3/8
160
240
-
12.5
-
24
-
-
7.5
7.5
16.5
GN 883-G1/2-20-B-MS
G 1/2
20
80
-
12.5
-
29
-
-
8
8
17
GN 883-G1/2-160-B-MS
G 1/2
160
240
-
12.5
-
29
-
-
8
8
17
GN 883-G3/4-20-B-MS
G 3/4
20
80
-
12.5
-
35
-
-
8
8
17
GN 883-G3/4-160-B-MS
G 3/4
160
240
-
12.5
-
35
-
-
8
8
17

Types

  • Type A: Low design
  • Type B: High design, with stainless steel cap

Valve body

Brass MS

Ball

Steel AISI 5210

Spring

Stainless Steel AISI 301

Seal DIN 7603 A

Soft iron 1.0338

(for d1 = M10 x 1:PA6)

Breather cap (Type B)

Stainless steel AISI 304

Temperature resistant from -30 °C to +200 °C

Once the opening pressure given in the table is exceeded, GN 883 breather valves will vent into a container and so protect against excessive inside container pressure. They also feature highly compact dimensions.

A coding (Type A) or a color ring (Type B) in yellow (20 - 80 mbar) or green (160 - 240 mbar) indicates the different opening pressure ratings.

The simple function principle (pressure spring / ball) ensures long and trouble-free use of the valve acting to one side. The installation position is vertical to the top.

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