120B系列的機械密封,其旋轉環(huán)為石墨,靜止環(huán)為硬質(zhì)合金、工程陶瓷、碳化硅,輔助材料:聚四氟乙烯、氟橡膠。
1、靜環(huán)密封墊 2、靜環(huán) 3、動(dòng)環(huán) 4、O型圈 5、彈簧擋圈 6、彈簧
型號 |
d |
D |
D1 |
D2 |
D3 |
L |
L1 |
L2 |
L3 |
L4 |
YS120-18 |
18 |
33 |
27 |
21 |
32 |
43 |
43 |
19 |
7 |
3.5 |
YS120-20 |
20 |
35 |
29 |
23 |
34 |
43 |
43 |
19 |
7 |
3.5 |
YS120-25 |
25 |
40 |
34 |
28 |
39 |
47 |
47 |
19 |
7 |
3.5 |
YS120-28 |
28 |
43 |
37 |
31 |
42 |
47 |
47 |
19 |
7 |
3.5 |
YS120-30 |
30 |
45 |
39 |
33 |
44 |
50 |
50 |
19 |
7 |
3.5 |
YS120-35 |
35 |
50 |
44 |
36 |
49 |
53 |
53 |
19 |
7 |
3.5 |
YS120-40 |
40 |
58 |
51 |
44 |
57 |
57 |
57 |
20 |
7 |
3.5 |
YS120-45 |
45 |
63 |
56 |
50 |
62 |
61 |
61 |
20 |
7 |
3.5 |
YS120-50 |
50 |
70 |
62 |
55 |
69 |
62 |
62 |
21 |
7 |
3.5 |
YS120-55 |
55 |
75 |
67 |
60 |
74 |
64 |
64 |
22 |
7 |
3.5 |
YS120-60 |
60 |
80 |
72 |
65 |
79 |
65 |
65 |
22 |
7 |
4 |
YS120-65 |
65 |
85 |
77 |
71 |
84 |
67 |
67 |
22 |
7 |
4 |
YS120-70 |
70 |
92 |
83 |
76 |
91 |
70 |
70 |
25 |
7 |
4 |
YS120-75 |
75 |
97 |
88 |
80 |
97 |
72 |
72 |
25 |
7 |
5.5 |
YS120-80 |
80 |
105 |
95 |
87 |
104 |
72 |
72 |
25 |
7 |
5.5 |