21B(22B)型机械密封技术参数
非平衡型
单端面密封
任意旋向
橡胶波纹管
介质温度-20℃~+150℃
介质压力0~0.5MPα
线速度≤10m/sec
规格\尺寸 |
D |
d |
D1 |
L |
L1 |
L2 |
L3 |
H7 |
h6 |
|
|
|
|
|
21B-14 |
30 |
14 |
27 |
17 |
5 |
4.5 |
18.7 |
21B-16 |
32 |
16 |
27 |
17 |
5 |
4.5 |
21 |
21B-18 |
35 |
18 |
29.5 |
19.5 |
7.5 |
6 |
21 |
21B-20 |
35 |
20 |
33.5 |
21.5 |
8 |
6.5 |
21 |
21B-22 |
37 |
22 |
33.5 |
21.5 |
8 |
6.5 |
24 |
21B-24 |
39 |
24 |
38.5 |
22.5 |
8 |
6.5 |
25 |
21B-25 |
40 |
25 |
38.5 |
23 |
8 |
6.5 |
25.5 |
21B-28 |
43 |
28 |
42 |
26.5 |
8 |
6.5 |
25.5 |
21B-30 |
45 |
30 |
44.5 |
26.5 |
9 |
7.5 |
25.5 |
21B-32 |
48 |
32 |
46 |
27.5 |
9 |
7.5 |
33.5 |
21B-33 |
48 |
33 |
46 |
27.5 |
9 |
7.5 |
33.5 |
21B-35 |
50 |
35 |
50 |
28.5 |
9 |
7.5 |
33.5 |
21B-38 |
56 |
38 |
53 |
30 |
9 |
7.5 |
33.5 |
21B-40 |
58 |
40 |
55 |
30 |
9 |
7.5 |
33.5 |
21B-43 |
61 |
43 |
58 |
30 |
9.5 |
8 |
36.5 |
21B-45 |
63 |
45 |
60 |
30 |
9.5 |
8 |
38 |
21B-48 |
66 |
48 |
63 |
30.5 |
9.5 |
8 |
38 |
21B-50 |
70 |
50 |
65 |
30.5 |
9.5 |
8 |
38 |
21B-53 |
73 |
53 |
70 |
33 |
9.5 |
8 |
41 |
21B-55 |
75 |
55 |
72 |
35 |
9.5 |
8 |
41 |
21B-58 |
78 |
58 |
75 |
37 |
9.5 |
8 |
42 |
21B-60 |
80 |
60 |
79 |
38 |
9.5 |
8 |
42 |
21B-65 |
85 |
65 |
84 |
40 |
9.5 |
8 |
45 |
21B-70 |
92 |
70 |
90 |
40 |
11 |
9.5 |
45 |
21B-75 |
97 |
75 |
95 |
40 |
12 |
10 |
50 |
21B-80 |
105 |
80 |
100 |
40 |
12 |
10 |
55 |