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ZURCON U-CUP RU9Single-Acting -

- Low-friction Zurcon U-Cup -

Advantages- Lower friction than standard U-Cups- Lower heat generation than standard U-Cups- High extrusion resistance- Excellent dynamic and static sealing- Optimum environment protection- Back pumping ability over the entirepressure range achieved by grooved profile- Suitable with the Zurcon Buffer Seal assecondary seal in tandem design- Suitable for sealing systems with double scraper- Seal stability within the grooveApplication ExamplesZurcon U-Cup RU9 can be used in all applications in whichpreviously a conventional U-Cup was applied, such as:- Hydraulic cylinders- Construction machinery- Fork lifts- Truck cranes- Telescopic cylinders- Agricultural machines

MaterialsZurcon Z20 standard polyurethane 93 Shore AZurcon Z22 premium polyurethane 93 Shore AColor: TurquoiseThe Zurcon polyurethane has high abrasion resistance, alow compression set, high extrusion resistance and a widetemperature range.

Technical DataOperating conditions:Pressure: Up to 6,000 psi (40 MPa)

Velocity: Up to 1.65 ft/s (0.5 m/s)Temperature:Zurcon Z20 Standard: -31°F to +230°F(-35°C to +110°C)Zurcon Z22 Premium: -49°F to +230°F(-45°C to +110°C)Media:Hydraulic fluids based onmineral oil:-31°F to +230°F(-35°C to +110°C)Synthetic and natural esterHEES, HETG:up to +140°F(+60°C)Flame-retardant hydraulicfluids HFA/HFB:up to +104°F(+40°C

Installation Recommendation (Inch Rod Series)Installation dimensions Standard recommendation

Ordering sample

Zurcon U-Cup Type RU9Rod diameter: dN = 2.500 inchesGroove diameter: D1 = 3.000 inchesGroove width: L 1 = .406 inchesTSS Part No.: RU9CG02500

RU9AC0500RU9AC0625RU9AC0750RU9AC0875RU9AC1000RU9BF1125RU9BF1250RU9BF1375RU9CG1500RU9CG1625RU9BF1750RU9CG1750

RU9CG1875RU9BF2000RU9CG2000RU9CG2125RU9CG2250RU9CG2375RU9CG2500RU9CG2625RU9CG2750RU9CG3000RU9CG3250RU9CG3375RU9CG3500RU9CG3750RU9CG4000RU9DH4500RU9DH5000RU9DH5500RU9EK6000RU9EK6500RU9FL6500RU9FL7000RU9FL7500RU9FL8000

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