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Home >> Shaft Seals >> Hydraulic Seals >> U-Cups
 

U-Cups

U-Cups derive their name from their shape and are self-sealing on both the inside diameter and outside diameter. They are most often used for sealing rams or rods and are very popular due to the small gland space required.
 

 


Daemar DMR Hydraulic Seals U-Cups

HRU Series

The HRU Series U-Cup has a chamfered lip and is available at DMR in 80 Durometer Nitrile.
Recommended for -40° to +250°F temperature. 1250 PSI to 2000 PSI pressure range.

Daemar DMR Hydraulic Seals U-Cups

HSU Series

Style HSU u-seals are precision molded from 90 Durometer Buna-N rubber.
Recommended for -40° to +250°F temperature. 0 PSI to 2000 PSI pressure range.

Daemar DMR Hydraulic Seals U-Cups

870 Series

The 870 Series U-Cup has a flat sealing lip and is available at DMR in 70 Durometer Nitrile.
Recommended for -40° to +240°F temperature. 1250 PSI to 500 PSI pressure range.

Daemar DMR Hydraulic Seals U-Cups

DSU Series

The DSU Series U-Cup has a chamfered lip and is available at DMR in 94 Durometer Urethane. The symmetrical section allows the DSU U-Cup to be employed as a rod or piston seal.

 

Daemar DMR Hydraulic Seals U-Cups

DPU Series

Heavy Duty Piston U-Cup. Specifically designed as piston seals, these u-cups are engineered to seal on their outside diameter. They offer extended service life and maximum reliability in piston sealing.

Daemar DMR Hydraulic Seals U-Cups

DRU Series

Heavy Duty Rod U-Cup. These U-Cups are specifically designed to seal on their inside diameter and engineered to attain maximum life and reliability in dynamic rod sealing.

 

Daemar DMR Hydraulic Seals  U-Cups

DRTU Series

Heavy Duty Rod U-Cup. These U-Cups are specifically designed with a second lip on their inside diameter and engineered to attain maximum life and reliability in dynamic rod sealing. This feature results in reduced leakage, less friction, increased stability and prevents air and contaminants from entering the cylinder.

Daemar DMR Hydraulic Seals U-Cups

RTUB Series

Super Duty Rod U-Cup. Featuring high pressure and high shock load capability, this U-Cup utilizes the same twin lip design found in RTU style. With the main body of the seal molded from high performance polyurethane, this seal incorporates a dynamically designed nitrile energizer and a tough polyacetal anti-extrusion ring. It is capable of pressures up to 10,000 PSI.

 

Daemar DMR Hydraulic Seals U-Cups

MUU Series Metric

SYMMETRICAL U-CUP Heavy Duty Piston U-Cup. Recommended for -65° TO +220° F temperature. 0 PSI to 5000 PSI pressure range.
Material: URETHANE

Daemar DMR Hydraulic Seals U-Cups

MRU Series Metric

Rod U-Cup. Recommended for -65° to +220°F temperature. 0 PSI to 5000 PSI pressure range.
Material: URETHANE

 

Daemar DMR Hydraulic Seals U-Cups

MRTU Series Metric

Rod U-Cup with secondary lip. Recommended for -65° to +220°F temperature. 0 PSI to 5000 PSI pressure range.
Material: URETHANE

Daemar DMR Hydraulic Seals U-Cups

MRTUB Seriec Metric

Rod U-Cup with back – up -rings . Recommended for -40° to +230°F temperature. 0 PSI to 6000 PSI pressure range.
Material: URETHANE SEAL POLYACETAL BACK-UP

 

Daemar DMR Hydraulic Seals U-Cups

MUFN Series Metric

MUFN-P Symmetrical U-Cup. Recommended for -22° to +212°F temperature. 0 PSI to 2900 PSI pressure range. Material: NITRILE

MUFN-U Symmetrical U-Cup. Recommended for -22° to +212°F temperature. 0 PSI to 2900 PSI pressure range. Material: NEOFAB

 

 

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