M74型機(jī)械密封
結(jié)構(gòu)特點(diǎn):?jiǎn)味嗣,任意旋向,符合EN12756(DIN24960)標(biāo)準(zhǔn),推環(huán)由傳動(dòng)搭子卡住,防止彈簧脫落,靜環(huán)可限位,彈簧行程受限制,避免碳環(huán)過(guò)度磨損。
應(yīng)用領(lǐng)域:廣泛應(yīng)用于污水處理系統(tǒng)和化工泵。
運(yùn)行參數(shù):壓力:M7N,M74非平衡型≤1.6MPaH7N,H75,H76平衡型≤6MPa
溫度:-40~220℃速度:≤20m/s
M74多彈簧結(jié)構(gòu)
靜環(huán)(車(chē)制石墨/碳化硅/碳化鎢)
動(dòng)環(huán)(碳化硅/碳化鎢/碳石墨)
輔助密封(氟膠/包氟)
彈簧及其它金屬件(不銹鋼)
Sealsized(mm)
d3 |
d6 |
d7 |
L1 |
L3 |
f |
25 |
21 |
25 |
35.0 |
10.0 |
6 |
27 |
23 |
27 |
35.0 |
10.0 |
6 |
33 |
29 |
33 |
37.5 |
11.5 |
7 |
35 |
29 |
35 |
37.5 |
11.5 |
7 |
37 |
31 |
37 |
37.5 |
11.5 |
7 |
39 |
33 |
39 |
40.0 |
11.5 |
8 |
40 |
34 |
40 |
40.0 |
11.5 |
8 |
43 |
37 |
43 |
42.5 |
11.5 |
8 |
45 |
39 |
45 |
42.5 |
11.5 |
8 |
47 |
42 |
48 |
42.5 |
11.5 |
8 |
48 |
42 |
48 |
42.5 |
11.5 |
8 |
50 |
44 |
50 |
42.5 |
11.5 |
8 |
55 |
49 |
56 |
45.0 |
14.0 |
8 |
57 |
51 |
58 |
45.0 |
14.0 |
8 |
60 |
54 |
61 |
45.0 |
14.0 |
8 |
62 |
56 |
63 |
45.0 |
14.0 |
8 |
65 |
59 |
66 |
45.0 |
14.0 |
8 |
67 |
62 |
70 |
47.5 |
15.0 |
8 |
70 |
65 |
73 |
47.5 |
15.0 |
8 |
72 |
67 |
75 |
47.5 |
15.0 |
8 |
79 |
70 |
78 |
52.5 |
15.0 |
9 |
81 |
72 |
80 |
52.5 |
15.0 |
9 |
84 |
75 |
83 |
52.5 |
15.0 |
9 |
86 |
77 |
85 |
52.5 |
15.0 |
9 |
89 |
81 |
90 |
52.5 |
18.0 |
9 |
91 |
83 |
92 |
60.0 |
18.0 |
9 |
99 |
88 |
97 |
60.0 |
18.0 |
10 |
104 |
95 |
105 |
60.0 |
18.2 |
10 |
109 |
100 |
110 |
60.0 |
18.2 |
10 |
114 |
105 |
115 |
65.0 |
18.2 |
10 |
119 |
110 |
120 |
65.0 |
17.2 |
10 |
124 |
115 |
125 |
65.0 |
17.2 |
10 |

M74型機(jī)械密封