USH Low-pressure Hydraulic Seal
PISTON & ROD SEAL
The USH low-pressure hydraulic seals represent Zong Yih’s commitment to precision engineering and are widely applied in fields such as automated machinery and hydraulic equipment. Our sealing components deliver outstanding performance and long-term reliability in these applications. With advanced production lines and high-performance quality control systems, we ensure that these USH seals not only provide optimal sealing effectiveness but also meet your requirements for cost efficiency and ease of maintenance.
Specifications (Metric mm)
Item
PART NO.
USH SERIES
Nominal Size d
Nominal Size D
Nominal Size H
Housing dimensions ø d
Housing dimensions ø D
Housing Dimensions W/T Back-Up Ring
Housing Dimensions W/Back-Up Ring
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PPB0016
USH 16
16
24
5
16
24
5.7
7.7
PPB0020
USH 20
20
28
5
20
28
5.7
7.7
PPB22.4
USH 22.4
22.4
30
5
22.4
30
5.7
7.7
PPB0025
USH 25
25
33
5
25
33
5.7
7.7
PPB0028
USH 28
28
36
5
28
35.5
5.7
8.7
PPB0030
USH 30
30
40
6
30
40
7
10
PPB0035
USH 35
35
45
6
35
45
7
10
PPB0040
USH 40
40
50
6
40
50
7
10
PPB045A
USH 45A
45
55
6
45
55
7
10
PPB0050
USH 50
50
60
6
50
60
7
10
PPB0053
USH 53
53
63
6
53
63
7
10
PPB060A
USH 60
60
70
6
60
70
7
10
PPB0070
USH 70
70
80
6
70
80
7
10
PPB0085
USH 85
85
100
9
85
100
10
13
PPB0112
USH 112
112
125
9
112
125
10
13
PPB0136
USH 136
136
150
8.5
136
150
9.5
12.5
PPB0145
USH 145
145
160
9
145
160
10
13
Specifications
| 變體 | PPB0145 |
| PART NO. | PPB0016 |
| USH SERIES | USH 16 |
| Nominal Size d | 16 |
| Nominal Size D | 24 |
| Nominal Size H | 5 |
| Housing dimensions ø d | 16 |
| Housing dimensions ø D | 24 |
| Housing Dimensions W/T Back-Up Ring | 5.7 |
| Housing Dimensions W/Back-Up Ring | 7.7 |