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产品展示

活塞封B7/PUA/NA300型


挤出间隙g:
挤出间隙大于曲线值,请加挡圈

尺寸B7
D<180 B7=D-1
D≥180 B7=D-2
技术参数
材料:进口聚氨酯PU
工作压力:40MPa
温度:-35℃~+100℃
速度:0.05~0.5m/s
倒角C
D<16 C=2.5
D=16~30 C=3
D=30~60 C=4
D=60~120 C=5
D=120~250 C=6.5
D=250~400 C=8

尺寸B
P(MPa) B P(MPa) B
<5 D-0.7 20~30 D-0.2
5~10 D-0.5 30~40 D-0.1
10~20 D-0.2    

槽宽H
h<6 HA=h+0.7
h≥6 HA=h+0.1
HB=HA+挡圈厚度

尺寸表
型号 d D h
B7 5
B7 6
B7 11.2
5
6
11.2
15
15
19.2
8
8
5
B7 14
B7 17
B7 19
14
17
19
22
25
34
8
10
8
B7 20
B7 27
B7 30A1
20
27
30
30
35
40
5
5
6
B7 30
B7 30A
B7 30B
30
30
30
40
40
45
6.5
8
6
B7 33
B7 35A1
B7 35
33
35
35
45
45
45
9
6
8
B7 35A
B7 40
B7 40A
35
40
40
55
50
50
12
6
6.5
B7 40B
B7 40C
B7 45A1
40
40
45
50
50
56
8
9
7
B7 45
B7 45A
B7 46
45
45
46
60
65
56
10
12
6
B7 48
B7 50
B7 50A
48
50
50
63
60
60
9
6
8
B7 50B
B7 50C
B7 50D
50
50
50
63
65
70
14
9
9
B7 50E
B7 53A
B7 53
50
53
53
70
63
63
12
6
6.5
B7 55A1
B7 55A
B7 55
55
55
55
70
70
75
9
10
12
B7 58
B7 60
B7 60A
58
60
60
72
70
70
12
6
8
B7 60B
B7 64
60
64
75
80
13
12
型号 d D h
B7 65
B7 65A
B7 70
65
65
70
75
80
80
6
10
6
B7 70A
B7 71
B7 75
70
71
75
80
80
88
8
6.5
9.5
B7 75A
B7 75B
B7 80
75
75
80
90
90
90
9
10
6
B7 85
B7 85A
B7 95
85
85
95
100
100
110
9
9.5
9
B7 100
B7 106
B7 110
100
106
110
115
120
120
9
8.5
6
B7 110A1
B7 110A
B7 110B
110
110
110
125
125
135
9
10
12
B7 112
B7 115
B7 125
112
115
125
125
130
140
9
9
9
B7 135
B7 135A
B7 145
135
135
145
150
160
160
9
19
9
B7 155
B7 165
B7 175
155
165
175
170
180
190
9
9
9
B7 190
B7 200
B7 215
190
200
215
210
220
240
12
12
16
B7 225
B7 230
B7 270
225
230
270
250
250
300
19
12.5
19
B7 290
B7 300
B7 370
390
300
370
320
330
400
19
19
22