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活塞杆封BA型
一、性能与用途


    BA型轴封，是唇形密封进一步发展的结果。它兼有了高弹性O形圈和唇形密封材料耐磨性的优点。这种密封件因其特殊的装置（油槽里加放了O形圈）而主要用于行走设备。这个O形圈保证了密封唇口在低压或真空条件下的预压缩量，这对密封性能是很必要的。密封力基本上与温度的变化无关，并且即使发生某种程度的磨损也会保证必要的预压缩量。唇口由于系统压力的增加而通过受压变形的O形圈传递至唇口上，从而使唇口紧紧抱住活塞杆起到优良的密封效果。主要用于柱塞、活塞杆、伸缩缸、气钻、锻压机以及行走等液压设备的密封。

二、材质

    进口聚氨脂PU＋丁腈胶NBR。

三、工况条件

    工作压力：≤350bar；
    工作温度：-35至+80℃，峰值高达+95℃；
    表面速度：≤0.5m/s。

四、安装

    密封件有一个轴向间隙。为了避免在安装期间损坏密封唇口，不要将密封件在锐边上拉动。通常，这类密封件是装入闭式沟槽中的，对于个别极限直径和极限横断面的情况，且结构不允许采用开放式沟槽时，这类密封件在安装前应对其进行加温软化或使用安装辅助工具。

五、主要优点

    特别强的耐磨性；
    对震动载荷和压力峰值的不敏感性；
    很高的抗挤压性；
    在无载和低温的条件下具有理想的密封作用；
    适用于最苛刻的工作条件；
    易于安装。

六、设计标准

    本系列符合Parker公司BA系列。

七、标注及订货方法

    BA型活塞杆密封用订货号来标注，示例：BA-1826 PU+NBR

八、结构装置
    


规格及沟槽尺寸
d D H L 订货号
3 8.5 4 4.4 BA038.5
4.7 11 5 5.5 BA04.711
4.8 11.1 6.4 7 BA04.811.1
6 14 5.7 6.3 BA0614
6.4 12.7 6.4 7 BA06.412.7
7.9 14.3 6.4 7 BA07.914.3
8 16 5.7 6.3 BA00816
10 18 5.7 6.3 BA1018
10 20 7.3 8 BA1020
11.1 17.5 6.4 7 BA11.117.5
12 20 5.7 6.3 BA1220
12 22 7.3 8 BA1222
12.7 19.05 4.5 5 BA12.719.05
12.7 19.1 6.4 7 BA12.719.1
12.7 25.4 9.5 10.5 BA12.725.4
13 20 5 5.5 BA1320
13 23 7.3 8 BA1323
14 22 5.7 6.3 BA1422
14 24 7.3 8 BA1424
14.3 20.6 6.4 7 BA14.320.6
15 23 5.7 6.3 BA1523
15.9 22.2 4.8 5.3 BA15.922.2/4.8
15.9 22.2 6.4 7 BA15.922.2/6.4
16 22.2 4.5 5 BA1622.2
16 24 5.7 6.3 BA1624
16 26 7.3 8 BA1626
17.5 33.3 12.7 14 BA17.533.3
18 24 5 5.5 BA1824
18 26 5.7 6.3 BA1826
18 28 7.3 8 BA1828
19 29 7.3 8 BA1929
19.1 25.4 4.5 5 BA19.125.4/4.5
19.1 25.4 6.4 7 BA19.125.4/6.4
19.1 28.6 7.9 8.7 BA19.128.6
20 28 5.5 6 BA2028/5.5
20 28 5.7 6.3 BA2028/5.7
20 28 6.5 7.2 BA2028/6.5
20 30 7.3 8 BA2030
20 32.7 9.5 10.5 BA2032.7
20.6 26.8 4.8 5.3 BA20.626.8
22 30 5.7 6.3 BA2230
22 32 7.3 8 BA2232
22 35 10 11 BA2235
22.2 28.6 6.4 7 BA22.228.6
22.2 31.8 7.9 8.7 BA22.231.8
24 30 5 5.5 BA2430
24 32 7 7.7 BA2432
24 35 5.7 6.3 BA2435
25 33 5.7 6.3 BA2533
25 35 7 7.7 BA2535/7
25 35 7.3 8 BA2535/7.3
25 40 10 11 BA2540/10
25 40 11 12.1 BA2540/11
25.4 31.8 4.5 5 BA25.431.8/4.5
25.4 31.8 6.4 7 BA25.431.8/6.4
25.4 34.9 7.9 8.7 BA25.434.9
25.4 38.1 9.5 10.5 BA25.438.1
25.4 41.3 12.7 14 BA25.441.3
28 35 6.5 7.2 BA2835
28 36 5.7 6.3 BA2836
28 38 7.3 8 BA2838
28 43 11.4 12.5 BA2843
28.6 34.9 4.5 5 BA28.634.9/4.5
28.6 34.9 6.4 7 BA28.634.9/6.4
28.6 38.1 7.9 8.7 BA28.638.1
28.6 41.3 9.5 10.5 BA28.641.3
30 38 5.7 6.3 BA3038/5.7
30 38 7 7.7 BA3038/7
30 40 7 7.7 BA3040
30 40 7.5 8.3 BA3040/7.5
30 42 10 11 BA3042
30 45 8 8.8 BA3045/8
30 45 11.4 12.5 BA3045/11.4
30.2 39.7 7.9 8.7 BA30.239.7
31.8 38.1 4.5 5 BA31.838.1/4.5
31.8 38.1 6.4 7 BA31.838.1/6.4
31.8 41.3 6.8 7.5 BA31.841.3/6.8
31.8 41.3 7.9 8.7 BA31.841.3/7.9
31.8 44.5 9.5 10.5 BA31.844.5
31.8 47.6 12.7 14 BA31.847.6
32 40 5.7 6.3 BA3240/5.7
32 40 6 6.6 BA3240/6
32 42 6.3 6.9 BA3242/6.3
32 42 7.3 8 BA3242/7.3
32 47 11.4 12.5 BA3247
34.9 41.3 4.8 5.3 BA34.941.3
34.9 44.5 7.9 8.7 BA34.944.5
35 43 5.7 6.3 BA3543/5.7
35 43 6.5 7.2 BA3543/6.5
35 45 8 8.8 BA3545/8
35 45 10 11 BA3545/10
35 47 10 11 BA3547
35 50 11.4 12.5 BA3550
36 44 5.7 6.3 BA3644
36 46 7.3 8 BA3646
36 51 11.4 12.5 BA3651
38 50 7 7.7 BA3850
38.1 44.5 4.5 5 BA38.144.5/4.5
38.1 44.5 6.4 7 BA38.144.5/6.4
38.1 47.6 6.4 7 BA38.147.6/6.4
38.1 47.6 6.8 7.5 BA38.147.6/6.8
38.1 47.6 7.4 8.1 BA38.147.6/7.4
38.1 47.6 9.5 10.5 BA38.147.6/9.5
38.1 50.8 9.5 10.5 BA38.150.8
38.1 54 12.7 14 BA38.145
38.1 57.2 15.9 17.5 BA38.157.2
40 48 5.7 6.3 BA4048
40 49.5 9.5 10.5 BA4049.5
40 50 7.3 8 BA4050/7.3
40 50 10 11 BA4050/10
40 52 10 11 BA4052/10
40 55 10 11 BA4055/10
40 55 11.4 12.5 BA4055/11.4
41.3 50.8 7.9 8.7 BA41.350.8/7.9
41.3 50.8 9.5 10.5 BA41.350.8/9.5
41.3 57.2 12.7 14 BA41.357.2
41.7 50.7 7.1 7.8 BA51.750.7
42 50 6.5 7.2 BA4250
44.5 53.9 7.2 7.9 BA44.553.9
44.5 54 6.8 7.5 BA44.554/6.8
44.5 54 9.5 10.5 BA44.554/9.5
44.5 57.2 9.5 10.5 BA44.557.2
44.5 60.3 12.7 14 BA44.560.3
45 53 7.3 8 BA4553
45 55 7.3 8 BA4555/7.3
45 55 8 8.8 BA4555/8
45 55 10 11 BA4555/10
45 57.7 9.5 10.5 BA4557.7
45 60 11.4 12.5 BA4560
45 65 11.4 12.5 BA4565
47.6 57.2 4.8 5.3 BA47.657.2/4.8
47.6 57.2 9.5 10.5 BA47.657.2/9.5
47.6 60.3 9.5 10.5 BA47.660.3
47.6 63.5 9.5 10.5 BA47.663.5
48 60 10 11 BA4860
50 58 8 8.8 BA5058
50 60 7.3 8 BA5060/7.3
50 60 7.5 8.3 BA5060/7.5
50 60 10 11 BA5060/10
50 60 11.4 12.5 BA5060/11.4
50 62 9.5 10.5 BA5062
50 63 10 11 MB5063
50 65 11.4 12.5 BA5065
50 70 14.6 16.1 BA5070
50.4 69.9 15.9 17.5 BA50.469.9
50.8 60.3 7.9 8.7 BA50.860.3/7.9
50.8 60.3 9.5 10.5 BA50.860.3/9.5
50.8 63.5 9.5 10.5 BA50.863.5
50.8 66.7 12.7 14 BA50.866.7
52 62 7.3 8 BA5262
53 63 7.3 8 BA5363
54 63.5 6.8 7.5 BA5463.5/6.8
54 63.5 9.5 10.5 BA5463.5/9.5
54 66.7 9.5 10.5 BA5466.7
54 66.9 12.7 14 BA5466.9
55 65 7.3 8 BA5565
55 65 11 12.1 BA5565
55 70 11 12.1 BA5570
55 75 14.5 16 BA5575
55.9 70.4 12.7 14 BA55.970.4
56 66 10 11 BA5666
56 71 11.4 12.5 BA5671
56 76 14.6 16 BA5676
57.2 66.7 6.8 7.5 BA57.266.7/6.8
57.2 66.7 7.9 8.7 BA57.266.7/7.9
57.2 66.7 9.5 10.5 BA57.266.7/9.5
57.2 69.6 9.5 10.5 BA57.269.6
57.2 76.2 15.9 17.5 BA57.276.2
60 68 7 7.7 BA6068/7
60 68 11.4 12.5 BA6068/11.4
60 68 13 14.5 BA6068/13
60 70 7.3 8 BA6070/7.3
60 70 10.5 11.6 BA6070/10.5
60 70 12 13.2 BA6070/12
60 72 9 9.9 BA6072/9
60 72 10 11 BA6072/10
60 75 13.5 14.9 BA6075
60 80 12 13.2 BA6080/12
60 80 14 15.4 BA6080/14
63 73 5.5 6 BA6373
63 75 8.7 9.6 BA6375
63 78 11.4 12.5 BA6378
63 83 14.5 16 BA6383
63.5 73 9.5 10.5 BA63.573
63.5 76.2 6.4 7 BA63.576.2/6.4
63.5 76.2 9.5 10.5 BA63.576.2/9.5
63.5 79.4 12.7 14 BA63.579.4
64 80 12 13.2 BA6480
65 73 7 7.7 BA6573
65 75 10 11 BA6575
65 77 8.7 9.6 BA6577
65 85 12 13.2 BA6585/12
68 85 15 16.5 BA6885/15
66.7 76.2 6.8 7.5 BA66.776.2/6.8
66.7 76.2 9.5 10.5 BA66.776.2/9.5
66.7 79.4 9.5 10.5 BA66.779.4
68 88 15 16.5 BA6888
69.9 82.6 9.5 10.5 BA69.982.6
69.9 85.7 12.7 14 BA69.985.7
69.9 88.9 15.9 17.5 BA69.988.9
70 80 11.4 12.5 BA7080
70 82 8.7 9.6 BA7082/8.7
70 82 9.5 10.5 BA7082/9.5
70 85 9.5 10.5 BA7085/9.5
70 85 11.4 12.5 BA7085/11.4
70 90 12 13.2 BA7090/12
70 90 14.5 16 BA7090/14.5
73 80 7 7.7 BA7380
73 82.6 6.8 7.5 BA7382.6/6.8
73 82.6 9.5 10.5 BA7382.6/9.5
d D H L 订货号
73 85.7 9.5 10.5 BA7385.7
73 88.9 11.4 12.5 BA7388.9
75 83 6.5 7.2 BA7583
75 85 10.5 11.6 BA7585
75 90 11.4 12.5 BA7590
76.2 85.7 7.9 8.7 BA76.285.7/7.9
76.2 85.7 9.5 10.5 BA76.285.7/9.5
76.2 88.9 9.5 10.5 BA76.288.9
76.2 92.1 9.5 10.5 BA76.292.1/9.5
76.2 92.1 12.7 14 BA76.292.1/12.7
76.2 95.3 15.9 17.5 BA76.295.3
78 86 13 14.5 BA7886
79.4 88.9 9.5 10.5 BA79.488.9
79.4 92.1 9.5 10.5 BA79.492.1
80 88 6.5 7.2 BA8088
80 90 11.4 12.5 BA8090
80 92 9 9.9 BA8092
80 92.7 9.5 10.5 BA8092.7
80 95 11.4 12.5 BA8095
80 100 9.5 10.5 BA80100/9.5
80 100 12 13.2 BA80100/12
80 100 13.5 14.8 BA80100/13.5
80 100 15 16.5 BA80100/15
81 95 14.6 16 BA8195
81.3 95.8 12.7 14 BA81.395.8
82 92 10 11 BA8292
82.6 95.3 9.5 10.5 BA82.695.3
82.6 101.6 12.7 14 BA82.6101.6/12.7
82.6 101.6 15.9 17.5 BA82.6101.6/15.9
85 95 9.5 10.5 BA8595
85 100 9.5 10.5 BA85100/9.5
85 100 12 13.2 BA85100/12
85 105 14.5 16 BA85105
85.7 95.3 9.5 10.5 BA85.795.3
85.7 101.6 12.8 14.1 BA85.7101.6
85.7 104.8 15.9 17.5 BA85.7104.8
88.5 108.5 15 16.5 BA88.5108.5
88.9 98.4 9.5 10.5 BA88.998.4
88.9 101.6 9.5 10.5 BA88.9101.6
88.9 108 15.9 17.5 BA88.9108
88.9 114.3 19.1 21 BA88.9114.3
90 100 11.4 12.5 BA90100
90 105 11.4 12.5 BA90105
90 110 12 13.2 BA90110/12
90 110 14.5 16 BA90110/14.5
92.1 111.1 15.9 17.5 BA92.1111.1
94 108.5 12.7 14 BA94108.5
95 105 11.4 12.5 BA95105
95 110 11.4 12.5 BA95110
95.3 104.8 9.5 10.5 BA95.3104.8
95.3 108 9.5 10.5 BA95.3108/9.5
95.3 108 14.3 15.7 BA95.3108/14.3
95.3 114.3 12.7 14 BA95.3114.3/12.7
95.3 114.3 15.9 17.5 BA95.3114.3/15.9
98.4 123.8 19.1 21 BA98.4123.8
100 108 6.5 7.2 BA100108
100 110 11.4 12.5 BA100110
100 115 11 12.1 BA100115/11
100 115 14.6 16 BA100115/14.6
100 120 12 13.2 BA100120/12
100 120 14.5 16 BA100120/14.5
100 125 18.2 20 BA100125
101.6 111.1 9.5 10.5 BA101.6111.1
101.6 114.3 9.5 10.5 BA101.6114.3/9.5
101.6 114.3 14.3 15.7 BA101.6114.3/14.3
101.6 117.5 14.3 15.7 BA101.6117.5
101.6 120.7 15.9 17.5 BA101.6120.7
101.6 127 19.1 21 BA101.6127
104.8 123.8 15.9 17.5 BA104.8123.8
105 115 10 11 BA105115
105 120 11.4 12.5 BA105120
105 125 14.5 16 BA105125
108 120.7 9.5 10.5 BA108120.7/9.5
108 120.7 14.3 15.7 BA108120.7/14.3
108 123 14.3 15.7 BA108123
108 123.8 14.3 15.7 BA108123.8
108 127 15.9 17.5 BA108127
110 120 10.5 11.6 BA110120
110 125 11.4 12.5 BA110125
110 130 12 13.2 BA110130/12
110 130 14.5 16 BA110130/14.5
110 135 18.2 20 BA110135
111.1 127 12.7 14 BA111.1127
112 127 9 9.9 BA112127
114.3 127 9.5 10.5 BA114.3127/9.5
114.3 127 14.3 15.7 BA114.3127/14.3
114.3 130.2 15.9 17.5 BA114.3130.2
114.3 133.4 15.9 17.5 BA114.3133.4
114.3 139.7 19.1 21 BA114.3139.7
115 125 11.4 12.5 BA115125
115 130 11.4 12.5 BA115130
117.5 136.5 15.9 17.5 BA117.5136.5
120 130 11.4 12.5 BA120130
120 135 11.4 12.5 BA120135
120 140 15 16.5 BA120140
120.7 133.4 9.5 10.5 BA120.7133.4/9.5
120.7 133.4 14.3 15.7 BA120.7133.4/14.3
120.7 136.5 15.9 17.5 BA120.7136.5
120.7 139.7 15.9 17.5

BA120.7139.7

123.8 142.9 15.9 17.5 BA123.8142.9
125 135 11.4 12.5 BA125135
125 140 11.4 12.5 BA125140
125 145 14.5 16 BA125145
125 150 18.2 20 BA125150
127 139.7 9.5 10.5 BA127139.7/9.5
127 139.7 14.3 15.7 BA127139.7/14.3
127 142.9 15.9 17.5 BA127142.9
127 146.1 15.9 17.5 BA127146.1
127 152.4 19.1 21 BA127152.4
130 145 9 9.9 BA130145/9
130 145 14.5 16 BA130145/14.5
133.4 146.1 14.3 15.7 BA133.4146.1
133.4 152.4 15.9 17.5 BA133.4152.4
135 155 14.5 16 BA135155
135 160 18.2 20 BA135160
139.7 152.3 9.5 10.5 BA139.7152.3
139.7 152.4 14.3 15.7

BA139.7152.4

139.7 158.8 15.9 17.5 BA139.7158.8
139.7 165.1 19.1 21 BA139.7165.1
140 150 10.5 11.6 BA140150/10.5
140 150 11.4 12.5 BA140150/11.4
140 160 14.5 16 BA140160
140 165 18.2 20 BA140165
142.9 155.6 14.3 15.7 BA142.9155.6
142.9 161.9 15.9 17.5 BA142.9161.9
143 151 13 14.5 BA143151
145 155 11.4 12.5 BA145155
145 165 14.5 16 BA145165
146.1 158.8 14.3 15.7 BA146.1158.8
146.1 165.1 15.9 17.5 BA146.1165.1
150 160 11.4 12.5 BA150160
150 170 14.5 16 BA150170
152.4 165.1 11.1 12.2 BA152.4165.1/11.1
152.4 165.1 14.3 15.7 BA152.4165.1/14.3
152.4 171.5 15.9 17.5 BA152.4171.5
152.4 117.8 19.1 21 BA152.4117.8
155 175 15 16.5 BA155175
158.8 177.8 15.9 17.5 BA158.8177.8
160 168 13 14.5 BA160168
160 180 15 16.5 BA160180
160 185 18.2 20 BA160185
160 190 22.7 25 BA160190
165 190 18.2 20 BA165190
165.1 177.8 14.3 15.7 BA165.1177.8
165.1 184.2 9.5 10.5 BA165.1184.2/9.5
165.1 184.2 12.7 14 BA165.1184.2/12.7
165.1 190.5 19.1 21 BA165.1190.5
170 180 11.4 12.5 BA170180
170 190 15 16.5 BA170190
170 195 19 21 BA170195
171 179 13 14.5 BA171179
171.5 184.2 9.5 10.5 BA171.5184.2/9.5
171.5 184.2 14.3 15.7 BA171.5184.2/14.3
171.5 187.3 15.9 17.5 BA171.5187.3
175 185 11.4 12.5 BA175185
175 195 15.9 17.5 BA175195
177.8 190.5 14.3 15.7 BA177.8190.5
177.8 196.3 12.7 14 BA177.8196.3
177.8 196.9 15.9 17.5 BA177.8196.9
177.8 203.25 19.1 21 BA177.8203.25
180 190 11.4 12.5 BA180190
180 200 15 16.5 BA180200
180 205 18.2 20 BA180205
180 210 22.7 25 BA180210
184.2 203.2 15.9 17.5 BA184.2203.2
187.3 206.4 12.7 14 BA187.3206.4
190.5 203.2 14.3 15.7 BA190.5203.2
196.9 215.9 12.7 14 BA196.9215.9
200 210 11.4 12.5 BA200210
200 220 15 16.5 BA200220/15
200 220 18 19.8 BA200220/18
200 220 19 20.9 BA200220/19
200 225 18.2 20 BA200225
200 230 22.7 25 BA200230
203.2 215.9 14.3 15.7 BA203.2215.9
203.2 222.3 15.9 17.5 BA203.2222.3
203.2 228.6 19.1 21 BA203.2228.6
204 220 16 17.6 BA204220
205 225 18.2 20 BA205225
206.4 219.1 14.3 15.7 BA206.4219.1
210 230 14.5 16 BA210230
215.9 228.6 14.3 15.7 BA215.9228.6
215.9 241.3 19.1 21 BA215.9241.3
218 230 9 9.9 BA218230
220 240 15 16.5 BA220240
220 250 18 19.8 BA220250/18
220 250 22.7 25 BA220250/22.7
222.3 241.3 12.7 14 BA222.3241.3
222.3 241.4 19.1 21 BA222.3241.4
235 260.4 19.1 21 BA235260.4
238.1 254 15.9 17.5 BA238.1254
240 260 14.5 16 BA240260
250 280 22.7 25 BA250280
254

279.4

 19.1 21 BA254279.4
254 285.4 25.4 28 BA254285.4
260.4 279.4 12.7 14 BA260.4279.4
266.7 285.8 15.9 17.5 BA266.7285.8
273.1 292.1 15.9 17.5 BA273.1292.1
279.4 304.8 19.1 21 BA279.4304.8
280 310 22.7 25 BA280310
285.8 304.8 15.9 17.5 BA285.8304.8
290 320 22.5 25 BA290320
311.2 342.9 25.4 28 BA311.2342.9
317.5 342.9 19.1 21 BA317.5342.9
360 385 20 22 BA360385
360 390 22.5 25 BA360390
381 406.4 19.1 21 BA381406.4
419.1 444.5 19.1 21 BA419.1444.5
501.7 533.4 25.4 28 BA501.7533.4