Standard U-seal, 3/4"X1"X3/16"

Standard U-seal, 3/4"X1"X3/16"

The RTU12-0.75-18 Standard U-Seal is a twin-lip rod seal engineered to handle demanding hydraulic applications with lower friction, high stability, and strong dynamic sealing force. Designed to prevent air penetration from outside the cylinder while maintaining reliable pressure retention, this 94A urethane seal performs in high-pressure systems up to 5,000 PSI. Compact yet tough, it’s built to keep cylinders operating smoothly under load.

Country of Origin
Varies by production batch

Key Features / Specifications

• Part Number: RTU12-0.75-18
• Seal Type: Standard Twin-Lip U-Seal
• Material: 94A Urethane
• Nominal ID (Rod Size): 3/4 in (0.750 in)
• Nominal OD (Housing): 1.000 in
• Nominal Height: 0.187 in (3/16 in)
• Groove Width: 0.207 in
• Throat Diameter: 0.751 in
• Housing Diameter: 1.000 in
• Temperature Range: -40°F to +225°F
• Pressure Range: 0 to 5,000 PSI
• Maximum Speed: 3 ft/sec
• Design Feature: Twin lip configuration for reduced friction and improved sealing stability
• High Temp Option: HT material available up to +250°F

Ideal For

• Hydraulic cylinders requiring rod sealing performance up to 5,000 PSI
• Applications needing reduced friction and enhanced dynamic lip force
• Equipment operating in cold or moderate high-temperature environments
• Preventing external air contamination in cylinder systems

When pressure is high and performance matters, this U-seal keeps everything moving smoothly—without letting anything slip by.