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THK822型 活塞用超高压组合密封
一、标准材料
J型密封环：填充PTFE，T101；
O型圈：丁腈橡胶、三元乙丙或氟橡胶。
二、概述
THK822型活塞用超高压组合密封由一个填充聚四氟乙烯（PTFE）材料的J形密封环和一个GB1235 “O”形橡胶圈组合而成。适用于超高压往复运动活塞密封及静密封，起单向作用。推荐用于超高压液压元件中，如水压试验机、增压缸、超高压泵站等
三、特点
*良好的密封性能
*较小的摩擦阻力，无爬行现象
*可多组串联使用
*使用寿命长
*耐超高压
四、工况条件
|
直径范围mm |
速 度 m/s |
压 力MPa |
温 度 ℃ |
介 质 |
|
28~1500 |
≤8 |
0~200 |
-50~+250（取决于O形圈材质） |
液压油、气、水、乳化液等 |
五、订货示例
例：缸径D=Φ80mm
订货号 THK822--80
六、沟槽尺寸
|
缸 径
D H9 |
沟槽底径
d f8 |
沟槽宽度
L+0.2 |
O形圈截面直径
d2 |
倒 角
Z≥ |
|
28~56.9 |
D-7.1 |
6.7 |
3.5 |
3 |
|
57~169.9 |
D-11.5 |
10.1 |
5.7 |
5 |
|
170~1500 |
D-17.2 |
14.1 |
8.6 |
7 |
七、规格表
|
缸 径
D H9 |
沟槽直径
d f8 |
沟槽宽度 L+0.2 |
订货号 |
|
缸 径
D H9 |
沟槽直径
d f8 |
沟槽宽度 L+0.2 |
订货号 |
|
28 |
20.9 |
6.7 |
THK822-28 |
180 |
162.8 |
14.1 |
THK822-180 |
|
30 |
22.9 |
6.7 |
THK822-30 |
190 |
172.8 |
14.1 |
THK822-190 |
|
32 |
24.9 |
6.7 |
THK822-32 |
200 |
182.8 |
14.1 |
THK822-200 |
|
35 |
27.9 |
6.7 |
THK822-35 |
210 |
192.8 |
14.1 |
THK822-210 |
|
36 |
28.9 |
6.7 |
THK822-36 |
220 |
202.8 |
14.1 |
THK822-220 |
|
38 |
30.9 |
6.7 |
THK822-38 |
230 |
212.8 |
14.1 |
THK822-230 |
|
40 |
32.9 |
6.7 |
THK822-40 |
240 |
222.8 |
14.1 |
THK822-240 |
|
42 |
34.9 |
6.7 |
THK822-42 |
250 |
232.8 |
14.1 |
THK822-250 |
|
45 |
37.9 |
6.7 |
THK822-45 |
260 |
242.8 |
14.1 |
THK822-260 |
|
48 |
40.9 |
6.7 |
THK822-48 |
270 |
252.8 |
14.1 |
THK822-270 |
|
50 |
42.9 |
6.7 |
THK822-50 |
280 |
262.8 |
14.1 |
THK822-280 |
|
55 |
47.9 |
6.7 |
THK822-55 |
290 |
272.8 |
14.1 |
THK822-290 |
|
56 |
48.9 |
6.7 |
THK822-56 |
300 |
282.8 |
14.1 |
THK822-300 |
|
60 |
48.5 |
10.1 |
THK822-60 |
310 |
292.8 |
14.1 |
THK822-310 |
|
63 |
51.5 |
10.1 |
THK822-63 |
320 |
302.8 |
14.1 |
THK822-320 |
|
65 |
53.5 |
10.1 |
THK822-65 |
330 |
312.8 |
14.1 |
THK822-330 |
|
70 |
58.5 |
10.1 |
THK822-70 |
340 |
322.8 |
14.1 |
THK822-340 |
|
75 |
63.5 |
10.1 |
THK822-75 |
350 |
332.8 |
14.1 |
THK822-350 |
|
80 |
68.5 |
10.1 |
THK822-80 |
360 |
342.8 |
14.1 |
THK822-360 |
|
85 |
73.5 |
10.1 |
THK822-85 |
370 |
352.8 |
14.1 |
THK822-370 |
|
90 |
78.5 |
10.1 |
THK822-90 |
380 |
362.8 |
14.1 |
THK822-380 |
|
95 |
83.5 |
10.1 |
THK822-95 |
390 |
372.8 |
14.1 |
THK822-390 |
|
100 |
88.5 |
10.1 |
THK822-100 |
400 |
382.8 |
14.1 |
THK822-400 |
|
105 |
93.5 |
10.1 |
THK822-105 |
420 |
402.8 |
14.1 |
THK822-420 |
|
110 |
98.5 |
10.1 |
THK822-110 |
450 |
432.8 |
14.1 |
THK822-450 |
|
115 |
103.5 |
10.1 |
THK822-115 |
480 |
462.8 |
14.1 |
THK822-480 |
|
120 |
108.5 |
10.1 |
THK822-120 |
500 |
482.8 |
14.1 |
THK822-500 |
|
125 |
113.5 |
10.1 |
THK822-125 |
520 |
502.8 |
14.1 |
THK822-520 |
|
130 |
118.5 |
10.1 |
THK822-130 |
|
550 |
532.8 |
14.1 |
THK822-550 |
|
135 |
123.5 |
10.1 |
THK822-135 |
|
580 |
562.8 |
14.1 |
THK822-580 |
|
140 |
128.5 |
10.1 |
THK822-140 |
|
600 |
582.8 |
14.1 |
THK822-600 |
|
150 |
138.5 |
10.1 |
THK822-150 |
|
650 |
632.8 |
14.1 |
THK822-650 |
|
160 |
148.5 |
10.1 |
THK822-160 |
|
700 |
682.8 |
14.1 |
THK822-700 |
|
170 |
152.8 |
14.1 |
THK822-170 |
|
1000 |
982.8 |
14.1 |
THK822-1000 |
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