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BB4-D series DATE£º2013/11/29 11:24:07 HITS£º1422 
Characteristics:
Single spring seal
Bellow seal
Double directional
Unbalanced
According to DIN24960
Operating limits:
d1=12
Pressure p=12bar
Speed v=
Temperature t=-20+120oc
Material:
Rotary face: Carbon .SiC
Stationary face :Ceramic. SiC
Rubber :NBR.EPDM.VITON
Spring: SS304
Metal part: SS304
d1
d3
l3
d7
l4
d6
l1
mm
mm
mm
mm
mm
mm
mm
12
21.70
23.90
23.00
8.60
19.00
32.50
14
23.90
26.40
25.00
8.60
21.00
35.00
16
26.70
26.40
27.00
8.60
23.00
35.00
18
30.40
27.50
33.00
10.00
27.00
37.50
20
33.40
27.50
35.00
10.00
29.00
37.50
22
33.40
27.50
37.00
10.00
31.00
37.50
24
38.00
30.00
39.00
10.00
33.00
40.00
25
39.30
30.00
40.00
10.00
34.00
40.00
28
42.00
32.50
43.00
10.00
37.00
42.50
30
43.95
32.50
45.00
10.00
39.00
42.50
32
45.80
32.50
48.00
10.00
42.00
42.50
33
45.80
32.50
48.00
10.00
42.00
42.50
35
49.00
32.50
50.00
10.00
44.00
42.50
38
52.80
34.00
56.00
11.00
49.00
45.00
40
55.80
34.00
58.00
11.00
51.00
45.00
43
58.80
34.00
61.00
11.00
54.00
45.00
45
61.00
34.00
63.00
11.00
56.00
45.00
48
64.00
34.00
66.00
11.00
59.00
45.00
50
66.00
34.50
70.00
13.00
62.00
47.50
53
70.65
34.50
73.00
13.00
65.00
47.50
55
71.65
34.50
75.00
13.00
67.00
47.50
58
78.40
39.50
78.00
13.00
70.00
52.50
60
78.40
39.50
80.00
13.00
72.00
52.50
63
81.50
39.50
83.00
13.00
75.00
52.50
65
84.30
39.50
85.00
13.00
77.00
52.50
68
89.65
37.20
90.00
15.30
81.00
52.50
70
89.65
37.20
92.00
15.30
83.00
52.50
75
96.80
44.70
97.00
15.30
88.00
60.00
80
104.00
44.30
105.00
15.70
95.00
60.00
85
107.95
44.30
110.00
15.70
100.00
60.00
90
111.10
49.30
115.00
15.70
105.00
65.00
95
119.00
49.30
120.00
15.70
110.00
65.00
100
124.00
49.30
125.00
15.70
115.00
65.00
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