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das组合密封圈 双向作用活塞密封圈
概况：das组合密封圈是一种双向作用活塞密封圈 
它是由一个弹性橡胶圈，两个挡环和两个导向环组成。本设计提供了一个紧凑的密封与导向的相结合的方案，并适合安装在封闭沟槽内的组合密封圈。
优点：
- 封闭的沟槽和整体式的活塞
- 活塞总长度较短
- 密封圈和耐磨环共用一个沟槽
- 活塞生产成本低
- 对间隙的抗挤出能力很强
- 弹性密封圈不会扭曲和翻转
- 良好的防泄漏性能
- 开斜切口的挡圈和耐磨环易于装配
应用范围：用于液压缸中作为活塞的双向密封，起着既能双向密封又能导向和承受活径向力的组合式密封件。它具有安装尺寸紧凑，在低压下同样有良好的密封效果，例如：轻型推土机、注塑机、起重机、叉车、液压阀门及农业机械等。
技术数据：压力：小于等于25mpa 温度：-30～100度 运动速度：0.5m／s
作用机理：
三个密封唇都位于外径上。两个外端密封唇作为附加性密封，中间密封唇是较宽的，并且是主密封唇。在密封的内径处（静密封）与沟槽底径的接触面是较宽的。在每边安放一个挡圈对弹性体进行支撑并防止其挤出。这种有台阶的挡圈可防止密封件在运行时产生旋转。
技术参数：
| 型号 |
dn h9 |
d1 h9 |
l1+0.2 |
d2 h9 |
d3 h11 |
l2+0.1 |
| kdas020-011 |
20.00 |
11.00 |
13.50 |
17.00 |
19.00 |
2.10 |
| kdas022-013 |
22.00 |
13.00 |
13.50 |
19.00 |
21.00 |
2.10 |
| kdas025-015 |
25.00 |
15.00 |
16.40 |
21.45 |
23.50 |
6.35 |
| kdas025-015/1 |
25.00 |
15.00 |
12.00 |
21.00 |
23.00 |
4.00 |
| kdas025-015/2 |
25.00 |
15.00 |
12.50 |
22.00 |
24.00 |
4.00 |
| kdas025-016 |
25.00 |
16.00 |
13.50 |
22.00 |
24.00 |
2.10 |
| kdas028-019 |
28.00 |
19.00 |
13.50 |
25.00 |
27.00 |
2.10 |
| kdas030-021 |
30.00 |
21.00 |
13.50 |
27.00 |
29.00 |
2.10 |
| kdas032-022 |
32.00 |
22.00 |
16.40 |
28.50 |
30.50 |
6.35 |
| kdas032-022/1 |
32.00 |
22.00 |
15.50 |
28.00 |
31.00 |
2.60 |
| kdas032-024 |
32.00 |
24.00 |
15.50 |
28.00 |
31.40 |
3.20 |
| kdas035-025 |
35.00 |
25.00 |
16.40 |
31.40 |
33.50 |
6.35 |
| kdas035-025/1 |
35.00 |
25.00 |
15.50 |
31.00 |
34.00 |
2.60 |
| kdas040-024 |
40.00 |
24.00 |
18.40 |
35.40 |
38.50 |
6.35 |
| kdas040-026 |
40.00 |
26.00 |
15.50 |
36.00 |
39.00 |
2.60 |
| kdas040-030 |
40.00 |
30.00 |
16.40 |
35.40 |
38.50 |
6.35 |
| kdas040-030/1 |
40.00 |
30.00 |
12.50 |
36.00 |
38.00 |
4.00 |
| kdas040-030/2 |
40.00 |
30.00 |
12.50 |
37.00 |
39.00 |
4.00 |
| kdas040-032 |
40.00 |
32.00 |
15.50 |
36.00 |
39.40 |
3.20 |
| kdas042-028 |
42.00 |
28.00 |
15.50 |
38.00 |
41.00 |
2.60 |
| kdas045-029 |
45.00 |
29.00 |
18.40 |
40.40 |
43.70 |
6.35 |
| kdas045-031 |
45.00 |
31.00 |
15.50 |
41.00 |
44.00 |
2.60 |
| kdas045-035 |
45.00 |
35.00 |
16.40 |
40.40 |
43.50 |
6.35 |
| kdas050-034 |
50.00 |
34.00 |
18.40 |
45.40 |
48.50 |
6.35 |
| kdas050-034/1 |
50.00 |
34.00 |
20.50 |
46.00 |
49.00 |
3.10 |
| kdas050-038 |
50.00 |
38.00 |
20.50 |
46.00 |
49.40 |
4.20 |
| kdas055-039 |
55.00 |
39.00 |
18.40 |
50.36 |
53.50 |
6.35 |
| kdas055-039/1 |
55.00 |
39.00 |
20.50 |
51.00 |
54.00 |
3.10 |
| kdas056-040 |
56.00 |
40.00 |
20.50 |
52.00 |
55.00 |
3.10 |
| kdas060-044 |
60.00 |
44.00 |
18.40 |
55.40 |
58.50 |
6.35 |
| kdas060--044/1 |
60.00 |
44.00 |
20.50 |
56.00 |
59.00 |
3.10 |
| kdas060--048 |
60.00 |
48.00 |
20.50 |
56.00 |
59.40 |
4.20 |
| kdas063-047 |
63.00 |
47.00 |
18.40 |
58.40 |
61.50 |
6.35 |
| kdas063-047/1 |
63.00 |
47.00 |
20.50 |
59.00 |
62.00 |
3.10 |
| kdas063-047/2 |
63.00 |
47.00 |
19.40 |
58.40 |
61.50 |
6.35 |
| kdas063-051 |
63.00 |
51.00 |
20.50 |
59.00 |
62.40 |
4.20 |
| kdas065-049 |
65.00 |
49.00 |
20.50 |
61.00 |
64.00 |
3.10 |
| kdas065-050 |
65.00 |
50.00 |
18.40 |
60.40 |
63.50 |
6.35 |
| kdas070-050 |
70.00 |
50.00 |
22.40 |
64.20 |
68.30 |
6.35 |
| kdas070-054 |
70.00 |
54.00 |
20.50 |
66.00 |
69.00 |
3.10 |
| kdas070-058 |
70.00 |
58.00 |
20.50 |
66.00 |
69.40 |
4.20 |
| kdas075-055 |
75.00 |
55.00 |
22.40 |
69.20 |
73.30 |
6.35 |
| kdas075-059 |
75.00 |
59.00 |
20.50 |
71.00 |
74.00 |
3.10 |
| kdas080-060 |
80.00 |
60.00 |
22.40 |
74.15 |
78.30 |
6.35 |
| kdas080-062 |
80.00 |
62.00 |
22.50 |
76.00 |
79.00 |
3.60 |
| kdas080--066 |
80.00 |
66.00 |
22.50 |
76.00 |
79.40 |
5.20 |
| kdas085-065 |
85.00 |
65.00 |
22.40 |
79.15 |
83.30 |
6.35 |
| kdas090-070 |
90.00 |
70.00 |
22.40 |
84.15 |
88.30 |
6.35 |
| kdas090-072 |
90.00 |
72.00 |
22.50 |
86.00 |
89.00 |
3.60 |
| kdas090-076 |
90.00 |
76.00 |
22.50 |
86.00 |
89.40 |
5.20 |
| kdas095-075 |
95.00 |
75.00 |
22.40 |
89.15 |
93.30 |
6.35 |
| kdas100-075 |
100.00 |
75.00 |
22.40 |
93.15 |
98.00 |
6.35 |
| kdas100-082 |
100.00 |
82.00 |
22.50 |
96.00 |
99.00 |
3.60 |
| kdas100-086 |
100.00 |
86.00 |
22.50 |
96.00 |
99.40 |
5.20 |
| kdas105-080 |
105.00 |
80.00 |
22.40 |
98.10 |
103.00 |
6.35 |
| kdas110-085 |
110.00 |
85.00 |
22.40 |
103.10 |
108.00 |
6.35 |
| kdas110-092 |
110.00 |
92.00 |
22.50 |
106.00 |
109.00 |
3.60 |
| kdas110-096 |
110.00 |
96.00 |
22.50 |
106.00 |
109.40 |
5.20 |
| kdas115-090 |
115.00 |
90.00 |
22.40 |
108.10 |
113.00 |
6.35 |
| kdas115-097 |
115.00 |
97.00 |
22.50 |
111.00 |
114.00 |
3.60 |
| kdas120-095 |
120.00 |
95.00 |
22.40 |
113.00 |
118.10 |
6.35 |
| kdas120-106 |
120.00 |
106.00 |
22.50 |
116.00 |
119.40 |
5.20 |
| kdas125-100 |
125.00 |
100.00 |
25.40 |
118.10 |
123.00 |
6.35 |
| kdas125-103 |
125.00 |
103.00 |
26.50 |
121.00 |
124.00 |
5.10 |
| kdas125-108 |
125.00 |
108.00 |
26.50 |
121.00 |
124.40 |
7.20 |
| kdas130-105 |
130.00 |
105.00 |
25.40 |
122.60 |
127.50 |
9.50 |
| kdas130-105/1 |
130.00 |
105.00 |
25.40 |
123.10 |
128.00 |
6.35 |
| kdas130-113 |
130.00 |
113.00 |
26.50 |
126.00 |
129.40 |
7.20 |
| kdas135-110 |
135.00 |
110.00 |
25.40 |
127.60 |
132.50 |
9.50 |
| kdas135-110/1 |
135.00 |
110.00 |
25.40 |
128.10 |
133.00 |
6.35 |
| kdas140-115 |
140.00 |
115.00 |
25.40 |
132.60 |
137.50 |
9.50 |
| kdas140-115/1 |
140.00 |
115.00 |
25.40 |
133.00 |
138.00 |
6.35 |
| kdas140-118 |
140.00 |
118.00 |
26.50 |
136.00 |
139.00 |
5.10 |
| kdas140-123 |
140.00 |
123.00 |
26.50 |
136.00 |
139.40 |
7.20 |
| kdas145-120 |
145.00 |
120.00 |
25.40 |
137.60 |
142.50 |
9.50 |
| kdas145-120/1 |
145.00 |
120.00 |
25.40 |
138.30 |
142.95 |
6.35 |
| kdas150-125 |
150.00 |
125.00 |
25.40 |
142.60 |
147.50 |
9.50 |
| kdas150-125/1 |
150.00 |
125.00 |
25.40 |
143.00 |
148.00 |
6.35 |
| kdas150-128 |
150.00 |
128.00 |
26.50 |
146.00 |
149.00 |
5.10 |
| kdas150-133 |
150.00 |
133.00 |
26.50 |
146.00 |
149.40 |
7.20 |
| kdas155-130 |
155.00 |
130.00 |
25.40 |
147.60 |
152.50 |
9.50 |
| kdas155-130/1 |
155.00 |
130.00 |
25.40 |
148.00 |
153.00 |
6.35 |
| kdas160-130 |
160.00 |
130.00 |
25.40 |
153.00 |
157.00 |
6.35 |
| kdas160-130/1 |
160.00 |
130.00 |
25.40 |
152.60 |
157.50 |
9.50 |
| kdas160-135 |
160.00 |
135.00 |
25.40 |
152.60 |
157.50 |
9.50 |
| kdas160-138 |
160.00 |
138.00 |
26.50 |
158.00 |
159.00 |
5.10 |
| kdas160-143 |
160.00 |
143.00 |
26.50 |
156.00 |
159.40 |
7.20 |
| kdas165-140 |
165.00 |
140.00 |
25.40 |
157.60 |
162.50 |
9.50 |
| kdas170-145 |
170.00 |
145.00 |
25.40 |
161.70 |
167.10 |
12.70 |
| kdas170-148 |
170.00 |
148.00 |
26.50 |
166.00 |
169.00 |
5.10 |
| kdas175-150 |
175.00 |
150.00 |
25.40 |
166.70 |
172.10 |
12.70 |
| kdas180-150 |
180.00 |
150.00 |
35.40 |
172.95 |
177.87 |
6.35 |
| kdas180-155 |
180.00 |
155.00 |
25.40 |
171.70 |
177.10 |
12.70 |
| kdas185-160 |
185.00 |
160.00 |
25.40 |
176.70 |
182.10 |
12.70 |
| kdas190-165 |
190.00 |
165.00 |
25.40 |
181.70 |
187.00 |
12.70 |
| kdas195-170 |
195.00 |
170.00 |
25.40 |
186.70 |
192.00 |
12.70 |
| kdas200-175 |
200.00 |
175.00 |
25.40 |
191.60 |
197.00 |
12.70 |
| kdas210-185 |
210.00 |
185.00 |
25.40 |
201.60 |
207.00 |
12.70 |
| kdas220-190 |
220.00 |
190.00 |
35.40 |
212.70 |
217.90 |
6.35 |
| kdas220-195 |
220.00 |
195.00 |
25.40 |
211.60 |
217.00 |
12.70 |
| kdas230-205 |
230.00 |
205.00 |
25.40 |
221.60 |
227.00 |
12.70 |
| kdas240-215 |
240.00 |
215.00 |
25.40 |
231.00 |
237.00 |
12.70 |
| kdas250-220 |
250.00 |
220.00 |
35.40 |
242.90 |
247.85 |
6.35 |
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