B120N Standard Mechanical Seals · Pusher...
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Product Description 1. Balanced 2. Dependent of direction of rotation 3. For stepped shafts 4. Single seal 5. Torque transmission via conical spring Technical Features 1 . Economical seal solution 2. No damage of the shaft by set screws 3. Short installation length also possible Standard Mechanical Seals · Pusher Seals B120N Typical Industrial Applications Sizes: d1 = Upto 80 mm (Upto 3.125’’) Pressure: p1 = 25 bar (363 PSI) Temperature: t = -50 °C...+220 °C (-58 °F...+430 °F) Speed = 15 m/s (50 ft/s) Permissible axial movement: ± 1 .0 mm Performance Capabilities Chemical industry Hot water Medias with Low solids content Water and waste water technology Chemical standard pumps Water and sewage pumps Item Part no. Description DIN 24250 1.1 1.2 1.3 1.4 1.4 2 3 Seal face O-Ring Thrust ring Righthand spring Lefthand spring Seat (G9) O-Ring 472/473 412.1 474 478 479 475 412.2 Materials Seal face: Carbon graphite antimony impregnated (A) Seat G9: Silicon carbide (Q1), Special cast CrMo steel (S) Standards EN 12756 1.4 1.3 1.2 1.1 2 3 3 l 5 l 6 l 2 d 8 l 7 +0,5 l 1N 5 d 3 d b min d 2 h6 l 1 b l 3 l 9 l 8 d 1 d 6 H11 d 7 H8 O 10 R1,6 O 20 Design Variations l 9 l 8 l 3 B120 Dimensions, items and descriptions as for B120N, but with seat G16. Seal face: Carbon graphite antimony impregnated (A) Seat G16: Silicon carbide (Q1 ), CrMo cast steel (S), Aluminium oxide (V) B170GN Dimensions, items and descriptions as for B120N, but with shrink-fitted seal face (Q12), item no. 1.1. Temperature: t = -20 °C ... +180 °C (-4 °F ... +356 °F) Seal face: Silicon carbide (Q12) Seat G9: Silicon carbide (Q1, Q2), Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B) B170G Dimensions, items and descriptions as for B120N, but with shrink-fitted seal face (Q12) and seat G16. Temperature: t = -20 °C ... +180 °C (-4 °F ... +356 °F) Seal face: Silicon carbide (Q12) Seat G16: Silicon carbide (Q1) 43
Transcript of B120N Standard Mechanical Seals · Pusher...
Product Description1. Balanced2. Dependent of direction of rotation3. For stepped shafts4. Single seal5. Torque transmission via conical spring
Technical Features1. Economical seal solution2. No damage of the shaft by set screws3. Short installation length also possible
Standard Mechanical Seals · Pusher SealsB120N
Typical Industrial Applications
Sizes: d1 = Upto 80 mm (Upto 3.125’’)Pressure: p1 = 25 bar (363 PSI)Temperature: t = -50 °C...+220 °C (-58 °F...+430 °F)Speed = 15 m/s (50 ft/s)Permissible axial movement: ± 1 .0 mm
Performance Capabilities
Chemical industryHot waterMedias with Low solids content Water and waste water technologyChemical standard pumpsWater and sewage pumps
Item Part no. Description
DIN 24250
1.1
1.2
1.3
1.4
1.4
2
3
Seal face
O-Ring
Thrust ring
Righthand spring
Lefthand spring
Seat (G9)
O-Ring
472/473
412.1
474
478
479
475
412.2
Materials
Seal face: Carbon graphite antimony impregnated (A)Seat G9: Silicon carbide (Q1), Special cast CrMo steel (S)
Standards
EN 12756
1.4 1.3 1.2 1.1 2 3
3 l5 l6
l2
d8
l7 +0,5
l1N
5
d 3
d b m
in
d 2h6
l1b
l3 l9
l8
d 1
d 6H1
1
d 7H8
O10
R1,6
O20
Design Variations
l9
l8l3
B120Dimensions, items and descriptions as for B120N, but with seat G16.Seal face: Carbon graphite antimony impregnated (A)Seat G16: Silicon carbide (Q1), CrMo cast steel (S), Aluminium oxide (V)
B170GNDimensions, items and descriptions as for B120N, butwith shrink-fitted seal face (Q12), item no. 1.1 .Temperature: t = -20 °C ... +180 °C (-4 °F ... +356 °F)Seal face: Silicon carbide (Q12)Seat G9: Silicon carbide (Q1, Q2), Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
B170GDimensions, items and descriptions as for B120N, but with shrink-fitted seal face (Q12) and seat G16.Temperature: t = -20 °C ... +180 °C (-4 °F ... +356 °F)Seal face: Silicon carbide (Q12)Seat G16: Silicon carbide (Q1)
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l6
l5
l19l18
d 6
H11
d 7H8
O20 G115
Cooled seat especiallyfor hot waterapplications. In thiscase, the dimensions ofthe B120N rotating unitare modified. Sealdesignation: B127G115.
l40 a
4,1 +01, h1
d 1
d 21 d 22 -0
,05
+01,
Ø 5
h2
l39
k e
G16
(EN 12756 but l and l1k 2
are shorter thanspecified)
Stationary Seats
Dimensional Data
*) l acc. to EN 12756 is bigger1N
inch size available from size 0.375 to 3.125Note: Additional technical & dimensional information will be provided on request.
10
12
14
16
18
20
22
24
25
28
30
32
33
35
38
40
43
45
48
50
53
55
58
60
63
65
70
75
80
14
16
18
20
22
24
26
28
30
33
35
38
38
40
43
45
48
50
53
55
58
60
63
65
68
70
75
80
85
24
26
31
34
36
38
40
42
44
47
49
54
54
56
59
61
64
66
69
71
78
79
83
85
88
90
98
103
109
17
19
21
23
27
29
31
33
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37
39
42
42
44
49
51
54
56
59
62
65
67
70
72
75
77
83
88
95
21
23
25
27
33
35
37
39
40
43
45
48
48
50
56
58
61
63
66
70
73
75
78
80
83
85
92
97
105
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
-
-
-
-
-
-
-
-
-
44.65
47.83
47.83
47.83
51.00
54.18
60.53
63.70
63.70
66.88
70.05
76.40
76.40
79.58
82.75
85.93
85.93
89.10
98.63
101.80
-
-
-
-
-
-
-
-
-
50.57
53.75
53.75
53.75
56.92
60.10
66.45
69.62
69.62
72.80
75.97
82.32
82.32
85.50
88.67
91.85
91.85
95.02
104.55
107.72
18
21
23
26
28
30
31
35
37
40
43
45
45
49
52
55
58
61
64
66
69
71
74
77
80
83
88
93
98
50
50
55
55
55
60
60
60
60
65
65
65
65
65
75
75
75
75
85
85
85
85
85
95
95
95
95
105
105
35.5
36.5
39.5
41.0
44.0
44.0
44.0
44.0
45.0
47.0
47.0
51.0
51.0
55.0
60.0
62.0
65.0
69.0
69.0
73.0
75.0
75.0
75.0
75.0
75.0
76.0
81.0
86.0
86.0
18
18
18
18
20
20
20
20
20
20
20
20
20
20
23
23
23
23
23
25
25
25
25
25
25
25
28
28
28
25.5
26.5
29.5
31.0
32.5
32.5
32.5
32.5
33.5
35.5
35.5
39.5
39.5
43.5
46.0
48.0
51.0
55.0
55.0
58.0
60.0
60.0
60.0
60.0
60.0
61.0
63.0
68.0
68.0
1.5
1.5
1.5
1.5
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
4
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4
4
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5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
8.5
8.5
8.5
8.5
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
9.0
17.5
17.5
17.5
17.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
19.5
22.0
22.0
22.0
22.0
22.0
23.0
23.0
23.0
23.0
23.0
23.0
23.0
26.0
26.0
26.2
10.0
10.0
10.0
10.0
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
14.0
14.0
14.0
14.0
14.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
18.0
18.0
18.2
-
-
-
-
15
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15
15
15
15
15
15
16
16
16
16
16
17
17
17
18
18
18
18
19
19
19
-
-
-
-
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
9.5
9.5
9.5
10.5
10.5
10.5
10.5
11.5
11.5
11.5
-
-
-
-
-
-
-
-
-
24.0
24.5
24.5
24.5
24.5
26.0
26.0
26.0
26.0
26.0
26.5
26.5
28.5
28.5
28.5
28.5
28.5
30.5
30.5
30.2
-
-
-
-
-
-
-
-
-
8.5
9.0
9.0
9.0
9.0
11.0
11.0
11.0
11.0
11.0
12.5
12.5
12.5
12.5
12.5
12.5
12.5
14.5
14.5
14.0
-
-
-
-
-
-
-
-
-
24
24
24
24
24
24
24
24
24
24
24
24
26
26
26
26
26
26
26
26
5
5
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6
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6
6
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6
8
8
8
8
8
8
8
8
8
10
10
-
-
-
-
-
-
-
-
-
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
-
-
-
-
-
-
-
-
-
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
-
-
-
-
-
-
-
-
-
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
22.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
24.6
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9
9
9
11
11
11
11
11
11
11
11
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
7.5
7.5
8.0
7.5
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
10.0
10.0
10.0
10.0
d1 d2 d3 d6 d7 d8 d21 d22 db l1N l1 l2 l3 l5 l6 l7 l8 l9 l18 l19 l39 l40 a b e h1 h2 k b*)
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Dimensions in millimeter
