RTU Rod U-seal
The twin lip design helps solve difficult rod sealing problems by providing lower friction, increased stability, and high dynamic lip force, while preventing air penetration from outside the cylinder.
SEAL INFORMATION | |
MATERIAL | 94A URETHANE |
TEMPERATURE RANGE | -40° TO +225°F |
PRESSURE RANGE | 0 TO 5,000 PSI |
SPEED | 3 FT/SEC |
Part Number | A Nom. ID | B Nom. OD | C Nom. Ht |
1/8″ C/S | |||
RTU12-0.37-19 RTU12-0.50-18 RTU12-0.62-18 RTU12-0.62-25 RTU12-0.75-12 RTU12-0.75-18 RTU12-0.75-25 RTU12-0.87-18 RTU12-0.87-25 RTU12-1.00-18 RTU12-1.00-25 RTU12-1.00-25-BT4300 RTU12-1.06-25 RTU12-1.12-18 RTU12-1.12-25 | 3/8 1/2 5/8 5/8 3/4 3/4 3/4 7/8 7/8 1 1 1 1.062 1-1/8 1-1/8 | 5/8 3/4 7/8 7/8 1 1 1 1-1/8 1-1/8 1-1/4 1-1/4 1-1/4 1.312 1.368 1-3/8 | .198 3/16 .187 .241 1/8 .187 1/4 .187 1/4 3/16 1/4 1/4 1/4 .187 1/4 |
RTU12-1.25-19 RTU12-1.25-25 RTU12-1.37-18 RTU12-1.37-19 RTU12-1.37-25 RTU12-1.50-25 RTU12-1.75-25 RTU12-2.00-25 | 1-1/4 1-1/4 1-3/8 1-3/8 1-3/8 1-1/2 1-3/4 2 | 1.491 1-1/2 1-5/8 1.615 1-5/8 1-3/4 2 2-1/4 | .197 1/4 .187 .197 1/4 1/4 1/4 1/4 |
3/16″ C/S | |||
RTU18-0.37-31 RTU18-1.00-25 RTU18-1.00-31 RTU18-1.12-31 RTU18-1.18-25 RTU18-1.25-23 RTU18-1.25-25 RTU18-1.25-31 RTU18-1.25-37HT RTU18-1.37-31 RTU12-1.50-18 RTU18-1.50-25 RTU18-1.50-31 RTU18-1.50-37 RTU18-1.62-31 RTU18-1.62-37 RTU18-1.75-25 RTU18-1.75-31 RTU18-1.75-37 RTU18-1.87-31 RTU18-1.87-37 RTU18-2.00-25 RTU18-2.00-31 RTU18-2.00-37 | 3/8 1 1 1-1/8 1.187 1-1/4 1-1/4 1-1/4 1-1/4 1-3/8 1-1/2 1-1/2 1-1/2 1-1/2 1-5/8 1-5/8 1-3/4 1-3/4 1-3/4 1-7/8 1-7/8 2 2 2 | 3/4 1-3/8 1-3/8 1-1/2 1.562 1-5/8 1-5/8 1-5/8 1-5/8 1-3/4 1-3/4 1-7/8 1-7/8 1-7/8 2 2 2-1/8 2-1/8 2-1/8 2-1/4 2-1/4 2-3/8 2-3/8 2-3/8 | 5/16 1/4 5/16 5/16 1/4 .227 1/4 5/16 3/8 5/16 3/16 1/4 5/16 3/8 5/16 3/8 1/4 5/16 3/8 5/16 3/8 1/4 5/16 3/8 |
RTU18-2.50-31 RTU18-2.62-37 RTU18-2.75-37 RTU18-3.00-37 RTU18-3.12-62 RTU18-3.25-56 RTU18-3.50-37 RTU18-4.00-37 RTU18-4.50-37 RTU18-4.75-37 RTU18-5.00-37 | 2-1/2 2-5/8 2-3/4 3 3-1/8 3-1/4 3-1/2 4 4-1/2 4-3/4 5 | 2-7/8 3 3-1/8 3-3/8 3-1/2 3-5/8 3-7/8 4-3/8 4-7/8 5-1/8 5-3/8 | 5/16 3/8 3/8 3/8 5/8 9/16 3/8 3/8 3/8 3/8 3/8 |
.188″ C/S | |||
RTU18-0.62-28 RTU18-0.75-31 RTU18-2.12-37 RTU18-2.37-37 RTU18-2.50-37 RTU18-3.75-37 RTU18-5.50-37 | 5/8 3/4 2-1/8 2-3/8 2-1/2 3-3/4 5-1/2 | 1 1-1/8 2-1/2 2-3/4 2-7/8 4-1/8 5-7/8 | .281 .312 3/8 3/8 3/8 3/8 3/8 |
1/4″ C/S | |||
RTU25-1.00-25 RTU25-1.00-37 RTU25-1.12-25 RTU25-1.25-25 RTU25-1.25-37 RTU25-1.37-37 RTU25-1.37-37HT RTU25-1.50-25 RTU25-1.50-34 RTU25-1.50-37 RTU25-1.62-37 RTU25-1.75-25 RTU25-1.75-34 | 1 1 1-1/8 1-1/4 1-1/4 1-3/8 1-3/8 1-1/2 1-1/2 1-1/2 1-5/8 1-3/4 1-3/4 | 1-1/2 1-1/2 1-5/8 1-3/4 1-3/4 1-7/8 1-7/8 2 2 2 2-1/8 2-1/4 2-1/4 | .255 3/8 1/4 1/4 3/8 3/8 3/8 1/4 .341 3/8 3/8 1/4 .341 |
RTU25-1.75-37 RTU25-1.87-37 RTU25-2.00-25 RTU25-2.00-31 RTU25-2.00-34 RTU25-2.00-37 RTU25-2.00-37HT RTU25-2.25-37 RTU25-2.37-37 RTU25-2.50-25 RTU25-2.50-28 RTU25-2.50-37 RTU25-2.75-31 RTU25-2.75-37 RTU25-3.00-37 RTU25-3.00-75 RTU25-3.25-37 RTU25-3.37-37 RTU25-3.50-31 RTU25-3.50-37 RTU25-3.62-37 RTU25-3.75-37 RTU25-3.75-50 RTU25-4.00-31 RTU25-4.00-37 RTU25-4.00-56 RTU25-4.00-75 RTU25-4.25-56P RTU25-4.50-37 RTU25-4.75-62 RTU25-5.00-37 RTU25-5.00-75 RTU25-5.50-37 | 1-3/4 1-7/8 2 2 2 2 2 2-1/4 2-3/8 2-1/2 2-1/2 2-1/2 2-3/4 2-3/4 3 3 3-1/4 3-3/8 3-1/2 3-1/2 3-5/8 3-3/4 3-3/4 4 4 4 4 4-1/4 4-1/2 4-3/4 5 5 5-1/2 | 2-1/4 2-3/8 2-1/2 2-1/2 2-1/2 2-1/2 2-1/2 2-3/4 2-7/8 3 3 3 3-1/4 3-1/4 3-1/2 3-1/2 3-3/4 3-7/8 4 4 4-1/8 4-1/4 4-1/4 4-1/2 4-1/2 4-1/2 4-1/2 4-3/4 5 5-1/4 5-1/2 5-1/2 6 | 3/8 3/8 1/4 5/16 .341 3/8 3/8 3/8 3/8 1/4 .284 3/8 .312 3/8 3/8 .781 3/8 3/8 .312 3/8 3/8 3/8 1/2 .312 3/8 9/16 .781 9/16 3/8 5/8 3/8 .781 3/8 |
RTU25-6.00-75 RTU25-6.37-37 RTU25-7.00-75 RTU25-7.25-37 RTU25-8.12-75 RTU25-9.37-75 | 6 6-3/8 7 7-1/4 8-1/8 9-3/8 | 6-1/2 6-7/8 7-1/2 7-3/4 8-5/8 9-7/8 | .781 3/8 .78 3/8 .781 .781 |
5/16″ C/S | |||
RTU31-1.50-37 RTU31-2.50-50 RTU31-2.75-37 RTU31-2.75-50 RTU31-3.00-50 RTU31-3.25-50 RTU31-3.37-59 RTU31-4.00-37 RTU31-4.00-50HT RTU31-4.50-50 | 1-1/2 2-1/2 2-3/4 2-3/4 3 3-1/4 3-3/8 4 4 4-1/2 | 2-1/8 3-1/8 3-3/8 3-3/8 3-5/8 3-7/8 4 4-5/8 4-5/8 5-1/8 | 3/8 1/2 3/8 1/2 1/2 1/2 19/32 3/8 1/2 1/2 |
.313″ C/S | |||
RTU31-1.25-39 RTU31-1.37-39 RTU31-2.00-31 RTU31-2.00-39 RTU31-2.00-50 RTU31-3.50-50 RTU31-4.00-50 RTU31-4.62-62 | 1-1/4 1-3/8 2 2 2 3-1/2 4 4-5/8 | 1-7/8 2 2-5/8 2-5/8 2-5/8 4-1/8 4-5/8 5-1/4 | .397 .397 .312 .397 1/2 1/2 1/2 5/8 |
11/32″ C/S | |||
RTU34-10.50-37 | 10-1/2 | 11-3/16 | 3/8 |
3/8″ C/S | |||
RTU37-3.00-62 RTU37-3.50-62 RTU37-4.00-50 RTU37-4.00-62 RTU37-4.25-62 | 3 3-1/2 4 4 4-1/4 | 3-3/4 4-1/4 4-3/4 4-3/4 5 | 5/8 5/8 1/2 5/8 5/8 |
RTU37-4.50-62 RTU37-5.50-62 RTU37-6.00-62 RTU37-6.50-62 RTU37-7.00-62 RTU37-7.75-62 | 4-1/2 5-1/2 6 6-1/2 7 7-3/4 | 5-1/4 6-1/4 6-3/4 7-1/4 7-3/4 8-1/2 | 5/8 5/8 5/8 5/8 5/8 5/8 |