聚氨酯U形圈RU9-Zurcon-Cup RU9
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 entire
pressure range achieved by grooved profile
- Suitable with the Zurcon Buffer Seal as
secondary seal in tandem design
- Suitable for sealing systems with double scraper
- Seal stability within the groove
Application Examples
Zurcon U-Cup RU9 can be used in all applications in which
previously a conventional U-Cup was applied, such as:
- Hydraulic cylinders
- Construction machinery
- Fork lifts
- Truck cranes
- Telescopic cylinders
- Agricultural machines
Materials
Zurcon Z20 standard polyurethane 93 Shore A
Zurcon Z22 premium polyurethane 93 Shore A
Color: Turquoise
The Zurcon polyurethane has high abrasion resistance, a
low compression set, high extrusion resistance and a wide
temperature range.
Technical Data
Operating 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 on
mineral oil:
-31°F to +230°F
(-35°C to +110°C)
Synthetic and natural ester
HEES, HETG:
up to +140°F
(+60°C)
Flame-retardant hydraulic
fluids HFA/HFB:
up to +104°F
(+40°C
Installation Recommendation (Inch Rod Series)
Installation dimensions {C}[1]Standard recommendation
Ordering sample
Zurcon U-Cup Type RU9
Rod diameter: dN = 2.500 inches
Groove diameter: D1 = 3.000 inches
Groove width: L 1 = .406 inches
TSS Part No.: RU9CG02500
RU9AC0500
RU9AC0625
RU9AC0750
RU9AC0875
RU9AC1000
RU9BF1125
RU9BF1250
RU9BF1375
RU9CG1500
RU9CG1625
RU9BF1750
RU9CG1750
RU9CG1875
RU9BF2000
RU9CG2000
RU9CG2125
RU9CG2250
RU9CG2375
RU9CG2500
RU9CG2625
RU9CG2750
RU9CG3000
RU9CG3250
RU9CG3375
RU9CG3500
RU9CG3750
RU9CG4000
RU9DH4500
RU9DH5000
RU9DH5500
RU9EK6000
RU9EK6500
RU9FL6500
RU9FL7000
RU9FL7500
RU9FL8000
