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NS-1 / NS-DN Mechanical seal with a conical spring
Simple, inexpensive single seal for undemanding operating conditions. For water pumps.
Tapered spring design.
Hydraulically not relieved.
Depends on the direction of shaft rotation.
Analog:
AESSEAL T04 / T04D, Burgmann BT-FN / BT-FN.NU, Roten 3 / Uniten 3, Vulcan 13, Sterling SR3 / SU3, Flowserve 43 / 43D, Latty T901 / T901D, Roplan R62 / R62D, Lowara CEA120
Materials for friction rings:
Seal rotating part:
ceramics Рђl203 (V)
silicon carbide (Q1,Q2)
Seal mating part:
carbographite (Рђ, Р’)
silicon carbide (Q1,Q2)
Parameters:
СЂ = 10 bars
t = -20 ... 180°С
v = 20 m/s
Allowable axial movement В±0,5 mm
NS-DN type
dimensions as per DIN 24960 (EN 12756)
|
d |
d2 |
d1 |
L1 |
L2 |
|
10 |
20 |
21 |
15 |
7 |
|
12 |
22 |
23 |
18 |
7 |
|
14 |
24 |
25 |
22 |
7 |
|
16 |
26 |
27 |
23 |
7 |
|
18 |
32 |
33 |
24 |
10 |
|
20 |
33 |
35 |
25 |
10 |
|
22 |
36 |
37 |
25 |
10 |
|
24 |
37.4 |
39 |
27 |
10 |
|
25 |
38 |
40 |
27 |
10 |
|
28 |
42 |
43 |
29 |
10 |
|
30 |
44 |
45 |
30 |
10 |
|
32 |
45.5 |
48 |
30 |
10 |
|
33 |
46.5 |
48 |
39 |
10 |
|
35 |
49 |
50 |
39 |
10 |
|
38 |
56 |
56 |
42 |
13 |
|
40 |
58 |
58 |
42 |
13 |
NS-1 type
dimensions as per DIN 24960 (EN 12756)
|
d |
d2 |
d1 |
L1 |
L2 |
|
10 |
19.5 |
18.1 |
15 |
5.5 |
|
11 |
22 |
20.6 |
18 |
5.5 |
|
12 |
23 |
20.6 |
18 |
5.5 |
|
13 |
25 |
23.1 |
22 |
6 |
|
14 |
25 |
23.1 |
22 |
6 |
|
15 |
28.7 |
26.9 |
22 |
7 |
|
16 |
28.7 |
26.9 |
23 |
7 |
|
17 |
28.7 |
26.9 |
23 |
7 |
|
18 |
32.7 |
30.9 |
24 |
8 |
|
19 |
32.7 |
30.9 |
25 |
8 |
|
20 |
32.7 |
30.9 |
25 |
8 |
|
21 |
37.5 |
35.4 |
25 |
8 |
|
22 |
37.5 |
35.4 |
25 |
8 |
|
23 |
37.5 |
35.4 |
27 |
8 |
|
24 |
37.5 |
35.4 |
27 |
8 |
|
25 |
40 |
38.2 |
27 |
8.5 |
|
28 |
45.5 |
43.3 |
29 |
9 |
|
29 |
45.5 |
43.3 |
30 |
9 |
|
30 |
45.5 |
43.3 |
30 |
9 |
|
32 |
45.5 |
43.3 |
30 |
9 |
|
33 |
48 |
53.5 |
39 |
11.5 |
|
35 |
50 |
53.5 |
39 |
11.5 |
|
38 |
56 |
60.5 |
39 |
11.5 |
|
40 |
58 |
60.5 |
39 |
11.5 |
- Description
Simple, inexpensive single seal for undemanding operating conditions. For water pumps.
Tapered spring design.
Hydraulically not relieved.
Depends on the direction of shaft rotation.
Analog:
AESSEAL T04 / T04D, Burgmann BT-FN / BT-FN.NU, Roten 3 / Uniten 3, Vulcan 13, Sterling SR3 / SU3, Flowserve 43 / 43D, Latty T901 / T901D, Roplan R62 / R62D, Lowara CEA120
Materials for friction rings:
Seal rotating part:
ceramics Рђl203 (V)
silicon carbide (Q1,Q2)
Seal mating part:
carbographite (Рђ, Р’)
silicon carbide (Q1,Q2)
Parameters:
СЂ = 10 bars
t = -20 ... 180°С
v = 20 m/s
Allowable axial movement В±0,5 mm
NS-DN type
dimensions as per DIN 24960 (EN 12756)
d
d2
d1
L1
L2
10
20
21
15
7
12
22
23
18
7
14
24
25
22
7
16
26
27
23
7
18
32
33
24
10
20
33
35
25
10
22
36
37
25
10
24
37.4
39
27
10
25
38
40
27
10
28
42
43
29
10
30
44
45
30
10
32
45.5
48
30
10
33
46.5
48
39
10
35
49
50
39
10
38
56
56
42
13
40
58
58
42
13
NS-1 type
dimensions as per DIN 24960 (EN 12756)
d
d2
d1
L1
L2
10
19.5
18.1
15
5.5
11
22
20.6
18
5.5
12
23
20.6
18
5.5
13
25
23.1
22
6
14
25
23.1
22
6
15
28.7
26.9
22
7
16
28.7
26.9
23
7
17
28.7
26.9
23
7
18
32.7
30.9
24
8
19
32.7
30.9
25
8
20
32.7
30.9
25
8
21
37.5
35.4
25
8
22
37.5
35.4
25
8
23
37.5
35.4
27
8
24
37.5
35.4
27
8
25
40
38.2
27
8.5
28
45.5
43.3
29
9
29
45.5
43.3
30
9
30
45.5
43.3
30
9
32
45.5
43.3
30
9
33
48
53.5
39
11.5
35
50
53.5
39
11.5
38
56
60.5
39
11.5
40
58
60.5
39
11.5
- Name
- NS-1 / NS-DN Mechanical seal with a conical spring
