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脚形滑环式组合密封
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 |