脚形滑环式组合密封
Slip ring combined seal
Performance and Purpose:
Slip ring combined seal is made up of low-friction PTFE composite slip ring and O-ring. It has the advantages of friction resistance, temperature resistance, high pressure bearing ability, high linear velocity, small friction force and long use-life. And which is applicable to dynamic and static seal of hydraulic and pneumatic system in aircraft, metallurgy, petroleum, chemical, textile, food industry and so on.
由低摩擦聚四氟乙烯(PTFE)复合材料滑环与O形圈组合而成的组合密封具有耐磨、耐温、耐压、线速度高、摩擦力小和使用寿命长的特点。适用于航空、冶金、石油、化工、纺织、食品等行业的液压与气动系统的动、静密封。
Advantage
- The structure is simple, easy to install and can be used repeatedly
结构简单,安装方便,可重复安装使用
- The sealing performance is reliable and adjustable
密封性能可靠,密封性可调节
- Different types of PTFE materials(Self pressed PTFE barrel material) can be selected according to the working conditions of sealing environment
自主压制四氟桶料,可根据密封环境工况选择不同类型四氟材料
- The working life of dynamic pressure seal is 5 ~ 10 times higher than that of conventional rubber sealing products, and the highest working life can reach dozens of times
工作寿命高,动态压力密封工作寿命比常规橡胶密封制品高5~10倍,最高可达数十倍
- It can be used as oil-free lubrication seal
可作无油润滑密封
- The friction force is small, and the dynamic and static friction force are equal. The friction force is 1 / 2 ~ 1 / 4 of the O-type rubber ring, which can eliminate the "crawling" phenomenon of motion at low speed and low pressure.
摩擦力小,且动、静摩擦力相等,是O型橡胶圈的1/2~1/4,可消除低速低压下运动的“爬行”现象
Sample of marking
JK2—I A 70 X 5.3
Section diameter d2 of O-ring
Diameter d of piston rod (axis) (Diameter D for sealing hole)
O-ring standard (A-GB/T3452.1-2005; B-GB1235-76; Not mentioned if non-standard)
Pistion rod (axis) sealing (Ⅱ-Hole sealing)
Foot-shape slip ring combined seal
JK2—Ⅰ沟槽尺寸
JK2—ⅠGroove dimensions
轴径 Axis diameter d(f8) |
沟槽底径 Groove bottom diameter D(H9) |
沟槽宽度 Groove width L+0.2 |
O形圈截面直径 Section diameter of O-ring d2 |
径向间隙 Radial clearance S≤ |
倒角 Chamfer Z≥ |
51~95 |
d+13.8 |
13.3 |
8.0 |
0.3 |
4 |
96~140 |
d+18.0 |
17.4 |
10.0 |
0.3 |
5 |
141~200 |
d+22.2 |
21.3 |
13.0 |
0.4 |
7 |
201~450 |
d+30.0 |
27.0 |
16.0 |
0.5 |
7 |
JK2—ⅠA沟槽尺寸
JK2—ⅠA Groove dimensions
轴径 Axis diameter d(f8) |
沟槽底径 Groove bottom diameter D(H9) |
沟槽宽度 Groove width L+0.2 |
O形圈截面直径 Section diameter of O-ring d2 |
径向间隙 Radial clearance S≤ |
倒角 Chamfer Z≥ |
8~17 |
d+4.9 |
4.6 |
2.65 |
0.2 |
2 |
18~39 |
d+6.5 |
6.0 |
3.55 |
0.2 |
3 |
40~108 |
d+9.5 |
9.0 |
5.30 |
0.3 |
5 |
109~670 |
d+12.5 |
12.0 |
7.00 |
0.4 |
7 |
JK2—ⅠB沟槽尺寸
JK2—ⅠB Groove dimensions
轴径 Axis diameter d(f8) |
沟槽底径 Groove bottom diameter D(H9) |
沟槽宽度 Groove width L+0.2 |
O形圈截面直径 Section diameter of O-ring d2 |
径向间隙 Radial clearance S≤ |
倒角 Chamfer Z≥ |
22~39 |
d+6.2 |
6.0 |
3.5 |
0.2 |
3 |
40~150 |
d+10.2 |
9.5 |
5.7 |
0.3 |
5 |
151~500 |
d+15.0 |
14.2 |
8.6 |
0.4 |
7 |
JK2—Ⅱ沟槽尺寸
JK2—ⅡGroove dimensions
缸径 Cylinder diameter D(H9) |
沟槽底径 Groove bottom diameter d(f8) |
沟槽宽度 Groove width L+0.2 |
O形圈截面直径 Section diameter of O-ring d2 |
径向间隙 Radial clearance S≤ |
倒角 Chamfer Z≥ |
65~110 |
D-15.4 |
13.8 |
8.0 |
0.3 |
4 |
115~180 |
D-20.5 |
17.8 |
10.0 |
0.3 |
5 |
185~250 |
D-25.0 |
21.7 |
13.0 |
0.4 |
7 |
260~500 |
D-30.8 |
26.8 |
16.0 |
0.5 |
7 |
JK2—ⅡA沟槽尺寸
JK2—ⅡA Groove dimensions
缸径 Cylinder diameter D(H9) |
沟槽底径 Groove bottom diameter d(f8) |
沟槽宽度 Groove width L+0.2 |
O形圈截面直径 Section diameter of O-ring d2 |
径向间隙 Radial clearance S≤ |
倒角 Chamfer Z≥ |
25~49 |
D-7.2 |
6.2 |
3.55 |
0.3 |
3 |
50~121 |
D-10.4 |
9.0 |
5.30 |
0.4 |
5 |
122~685 |
D-13.6 |
12.0 |
7.00 |
0.5 |
7 |
JK2—ⅡB沟槽尺寸
JK2—ⅡB Groove dimensions
缸径 Cylinder diameter D(H9) |
沟槽底径 Groove bottom diameter d(f8) |
沟槽宽度 Groove width L+0.2 |
O形圈截面直径 Section diameter of O-ring d2 |
径向间隙 Radial clearance S≤ |
倒角 Chamfer Z≥ |
28~49 |
D-7.0 |
6.2 |
3.5 |
0.3 |
3 |
50~160 |
D-11.0 |
10.0 |
5.7 |
0.4 |
5 |
170~500 |
D-16.6 |
14.6 |
8.6 |
0.5 |
7 |