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THG812型 杆用超高压组合密封
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
THG812型活塞杆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。适用于活塞杆超高压往复运动密封及静密封，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 |
|
22~1500 |
≤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：活塞杆直径d=Φ80mm
订货号 THG812—80
六、沟槽尺寸
|
杆 径
d f8 |
沟槽底径
D H9 |
沟槽宽度
L+0.2 |
O形圈截面直径
d2 |
倒 角
Z≥ |
|
22~39.9 |
d+6.7 |
7.0 |
3.5 |
3 |
|
40~154.9 |
d+10.9 |
10.2 |
5.7 |
5 |
|
155~1000 |
d+16.0 |
14.5 |
8.6 |
7 |
七、规格表
|
杆 径
d f8 |
沟槽直径 D H9 |
沟槽宽度 L+0.2 |
订货号 |
|
杆 径
d f8 |
沟槽直径
D H9 |
沟槽宽度 L+0.2 |
订货号 |
|
22 |
28.7 |
7.0 |
THG812-22 |
160 |
176.0 |
14.5 |
THG812- |
|
24 |
30.7 |
7.0 |
THG812-24 |
170 |
186.0 |
14.5 |
THG812- |
|
25 |
31.7 |
7.0 |
THG812-25 |
180 |
196.0 |
14.5 |
THG812- |
|
28 |
34.7 |
7.0 |
THG812-28 |
190 |
206.0 |
14.5 |
THG812- |
|
30 |
36.7 |
7.0 |
THG812-30 |
200 |
216.0 |
14.5 |
THG812- |
|
32 |
38.7 |
7.0 |
THG812-32 |
210 |
226.0 |
14.5 |
THG812-210 |
|
35 |
41.7 |
7.0 |
THG812-35 |
220 |
236.0 |
14.5 |
THG812-220 |
|
36 |
42.7 |
7.0 |
THG812-36 |
230 |
246.0 |
14.5 |
THG812-230 |
|
38 |
44.7 |
7.0 |
THG812-38 |
240 |
256.0 |
14.5 |
THG812-240 |
|
40 |
50.9 |
10.2 |
THG812-40 |
250 |
266.0 |
14.5 |
THG812-250 |
|
42 |
52.9 |
10.2 |
THG812-42 |
260 |
276.0 |
14.5 |
THG812-260 |
|
45 |
55.9 |
10.2 |
THG812-45 |
270 |
286.0 |
14.5 |
THG812-270 |
|
48 |
58.9 |
10.2 |
THG812-48 |
280 |
296.0 |
14.5 |
THG812-280 |
|
50 |
60.9 |
10.2 |
THG812-50 |
290 |
306.0 |
14.5 |
THG812-290 |
|
55 |
65.9 |
10.2 |
THG812-55 |
300 |
316.0 |
14.5 |
THG812-300 |
|
56 |
66.9 |
10.2 |
THG812-56 |
310 |
326.0 |
14.5 |
THG812-310 |
|
60 |
70.9 |
10.2 |
THG812-60 |
320 |
336.0 |
14.5 |
THG812-320 |
|
63 |
73.9 |
10.2 |
THG812-63 |
330 |
346.0 |
14.5 |
THG812-330 |
|
65 |
,
75.9 |
10.2 |
THG812-65 |
340 |
356.0 |
14.5 |
THG812-340 |
|
70 |
90.9 |
10.2 |
THG812-70 |
350 |
366.0 |
14.5 |
THG812-350 |
|
75 |
85.9 |
10.2 |
THG812-75 |
360 |
376.0 |
14.5 |
THG812-360 |
|
80 |
90.9 |
10.2 |
THG812-80 |
370 |
386.0 |
14.5 |
THG812-370 |
|
85 |
95.9 |
10.2 |
THG812-85 |
380 |
396.0 |
14.5 |
THG812-380 |
|
90 |
100.9 |
10.2 |
THG812-90 |
390 |
406.0 |
14.5 |
THG812-390 |
|
95 |
105.9 |
10.2 |
THG812-95 |
400 |
416.0 |
14.5 |
THG812-400 |
|
100 |
110.9 |
10.2 |
THG812-100 |
420 |
436.0 |
14.5 |
THG812-420 |
|
105 |
115.9 |
10.2 |
THG812-105 |
450 |
466.0 |
14.5 |
THG812-450 |
|
110 |
120.9 |
10.2 |
THG812-110 |
480 |
496.0 |
14.5 |
THG812-480 |
|
115 |
125.9 |
10.2 |
THG812-115 |
500 |
516.0 |
14.5 |
THG812-500 |
|
120 |
130.9 |
10.2 |
THG812-120 |
520 |
536.0 |
14.5 |
THG812-520 |
|
125 |
135.9 |
10.2 |
THG812-125 |
550 |
566.0 |
14.5 |
THG812-550 |
|
130 |
140.9 |
10.2 |
THG812-130 |
|
580 |
596.0 |
14.5 |
THG812-580 |
|
135 |
155.9 |
10.2 |
THG812-135 |
|
600 |
616.0 |
14.5 |
THG812-600 |
|
140 |
150.9 |
10.2 |
THG812-140 |
|
650 |
666.0 |
14.5 |
THG812-650 |
|
150 |
160.9 |
10.2 |
THG812-150 |
|
700 |
716.0 |
14.5 |
THG812-700 |
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