Zurcon® U-Cup PUA is a single-acting rod seal made from high-performance Zurcon® polyurethane. It features a robust U-shaped profile designed for excellent sealing, low friction, and high wear resistance. Suitable for medium to high-pressure hydraulic applications, the PUA offers reliable performance, long service life, and easy installation, making it ideal for use in mobile and industrial hydraulic systems.
Piston/U-Cup:
Groove Diameter Outside85 mm
Signature StandardPUA300850-Z20
TSS Article Number (3 to 9)A300850
Quality (10th Digit)-
Type of Article0
Root Groove Inside Diameter70 mm
Root Groove Outside Diameter85 mm
Root Groove Width13 mm
Article GroupPU
Groove Diameter Inside70 mm
Groove Thickness7.5 mm
Groove Width13 mm
Compound codeZ20
Material Information for the product(s) on this page
Z20
Hardness unit:
Shore A
Gravity Unit:
g/cm³
Material Code Class:
Thermoplastic
Maximum Hardness:
93
Maximum Temperature:
110
Minimum Temperature:
-35
Material Type:
PUR
Material:
Z20
Hardness Tolerance:
+/- 3
Specific Gravity:
1.2
Shore A Hardness:
93+/- 3
Gravity Tolerance:
+/-0.02
Minimum Hardness:
93
Color:
Turquoise