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TK621型 活塞用组合密封
一、标准材料
脚型密封环：填充PTFE，T101；
O型圈：丁腈橡胶、三元乙丙或氟橡胶。
二、概述
TK621型活塞用组合密封由一个填充聚四氟乙烯（PTFE）材料的脚型密封环和一个GB3452.1 “O”形橡胶圈组合而成。适用于液压与气动往复运动活塞密封，起单向作用。如液压缸、液压机、液压锤、机床、工程机械等。
三、特点
*良好的密封性能
*耐高压,抗挤出性能好
*分体式沟槽，安装方便
*适用范围广
四、工况条件
|
直径范围mm |
速 度 m/s |
压 力MPa |
温 度 ℃ |
介 质 |
|
24~1500 |
≤8 |
0~100 |
-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：缸孔直径D=Φ100mm
订货号 TK621--100
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 |
圆 角
R |
间 隙
S≤ |
倒 角
Z≥ |
|
24~49.9 |
D-7.2 |
6.2 |
3.55 |
0.6 |
0.3 |
3 |
|
50~121.9 |
D-10.4 |
9.0 |
5.30 |
0.8 |
0.4 |
5 |
|
122~1500 |
D-13.6 |
12.0 |
7.00 |
1.2 |
0.4 |
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 |
|
24 |
16.8 |
6.2 |
TK621-24 |
170 |
156.4 |
12.0 |
TK621-170 |
|
25 |
17.8 |
6.2 |
TK621-25 |
180 |
166.4 |
12.0 |
TK621-180 |
|
28 |
20.8 |
6.2 |
TK621-28 |
190 |
176.4 |
12.0 |
TK621-190 |
|
30 |
22.8 |
6.2 |
TK621-30 |
200 |
186.4 |
12.0 |
TK621-200 |
|
32 |
24.8 |
6.2 |
TK621-32 |
210 |
196.4 |
12.0 |
TK621-210 |
|
35 |
27.8 |
6.2 |
TK621-35 |
220 |
206.4 |
12.0 |
TK621-220 |
|
36 |
28.8 |
6.2 |
TK621-36 |
230 |
216.4 |
12.0 |
TK621-230 |
|
38 |
30.8 |
6.2 |
TK621-38 |
240 |
226.4 |
12.0 |
TK621-240 |
|
40 |
32.8 |
6.2 |
TK621-40 |
250 |
236.4 |
12.0 |
TK621-250 |
|
42 |
34.8 |
6.2 |
TK621-42 |
260 |
246.4 |
12.0 |
TK621-260 |
|
45 |
37.8 |
6.2 |
TK621-45 |
270 |
256.4 |
12.0 |
TK621-270 |
|
48 |
40.8 |
6.2 |
TK621-48 |
280 |
266.4 |
12.0 |
TK621-280 |
|
50 |
39.6 |
9.2 |
TK621-50 |
290 |
276.4 |
12.0 |
TK621-290 |
|
52 |
41.6 |
9.2 |
TK621-52 |
300 |
286.4 |
12.0 |
TK621-300 |
|
55 |
44.6 |
9.2 |
TK621-55 |
310 |
296.4 |
12.0 |
TK621-310 |
|
60 |
49.6 |
9.2 |
TK621-60 |
320 |
306.4 |
12.0 |
TK621-320 |
|
63 |
52.6 |
9.2 |
TK621-63 |
330 |
316.4 |
12.0 |
TK621-330 |
|
65 |
54.6 |
9.2 |
TK621-65 |
340 |
326.4 |
12.0 |
TK621-340 |
|
70 |
59.6 |
9.2 |
TK621-70 |
350 |
336.4 |
12.0 |
TK621-350 |
|
75 |
64.6 |
9.2 |
TK621-75 |
360 |
346.4 |
12.0 |
TK621-360 |
|
80 |
69.6 |
9.2 |
TK621-80 |
370 |
356.4 |
12.0 |
TK621-370 |
|
85 |
74.6 |
9.2 |
TK621-85 |
380 |
366.4 |
12.0 |
TK621-380 |
|
90 |
79.6 |
9.2 |
TK621-90 |
390 |
376.4 |
12.0 |
TK621-390 |
|
95 |
84.6 |
9.2 |
TK621-95 |
400 |
386.4 |
12.0 |
TK621-400 |
|
100 |
89.6 |
9.2 |
TK621-100 |
420 |
406.4 |
12.0 |
TK621-420 |
|
105 |
94.6 |
9.2 |
TK621-105 |
450 |
436.4 |
12.0 |
TK621-450 |
|
110 |
99.6 |
9.2 |
TK621-110 |
480 |
466.4 |
12.0 |
TK621-480 |
|
115 |
104.6 |
9.2 |
TK621-115 |
500 |
486.4 |
12.0 |
TK621-500 |
|
120 |
109.6 |
9.2 |
TK621-120 |
550 |
536.4 |
12.0 |
TK621-550 |
|
125 |
111.4 |
12.0 |
TK621-125 |
600 |
586.4 |
12.0 |
TK621-600 |
|
130 |
116.4 |
12.0 |
TK621-130 |
650 |
636.4 |
12.0 |
TK621-650 |
|
135 |
121.4 |
12.0 |
TK621-135 |
700 |
686.4 |
12.0 |
TK621-700 |
|
140 |
126.4 |
12.0 |
TK621-140 |
800 |
786.4 |
12.0 |
TK621-800 |
|
145 |
131.4 |
12.0 |
TK621-145 |
900 |
886.4 |
12.0 |
TK621-900 |
|
150 |
136.4 |
12.0 |
TK621-150 |
1000 |
986.4 |
12.0 |
TK621-1000 |
|
155 |
141.4 |
12.0 |
TK621-155 |
|
|
|
|
|
160 |
146.4 |
12.0 |
TK621-160 |
|
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