Standardized with the materials of high performance PU 93 Shore A, UNP/UHP are used very widely in hydraulic cylinders. Having shorter outer sealing lip UNP/UHP nutrings are desinged especially for piston applications.          

Technical Data    
Pressure:  400 bar    
Temperature: -35  to +100    
Speed: 0.5m/s     
Media: Hydraulic oils (mineral oil-based)     
    
Material
    
Material: PU    
Hardness: 93 2 Shore A     
Color: Blue/Green    
    
Advantages    
High abrasion resistance    
Insensibility against shock loads and pressure peaks    
Low compression set    
    
UNP/UHP

Item ID x OD x H (mm) Item ID x OD x H (mm)
UNP 16.2X10.5X4.4 UHP 40X30X6.5
UNP 125X105X15 UHP 50X39X7.3
UNP 150X130X15 UHP 50X40X6.5
UNP 180X155X16 UHP 62X52X6.3
UNP 190X165X16 UHP 63X53X6.5
UNP 195X170X15 UHP 80X64X12
UNP 200X175X16 UHP 80X71X6.5
UNP 205X180X16 UHP 90X80X6.5
UNP 210X180X23 UHP 100X85X9.5
UNP 212X187X16 UHP 125X112X9
UNP 215X190X16 UHP 125X115X12
UNP 224X199X16 UHP 140X125X9.5
UNP 237X212X19 UHP 150X136X9
UNP 250X225X19 UHP 160X145X9
UNP 261X236X19 UHP 160X145X9.5
UNP 265X235X19 UHP 180X165X9.5
UNP 275X250X19 UHP 200X180X12.5
UNP 280X255X19 UHP 220X200X12.5
UNP 295X265X19 UHP 250X230X12.5
UNP 300X270X19
UNP 310X280X19
UNP 330X300X19
UNP 360X330X24
UNP 450X410X30
UNP 450X420X26