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Piston/Rod U-RING 280X305X16/17 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 280.00 x 305.00 x 16.00
Material: TPU
Color:
BLUE
Part number: UN280305
Weight : 190.3800 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 280X300X18/19 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 280.00 x 300.00 x 18.00
Material: TPU
Color:
BLUE
Part number: UN280300/2
Weight : 174.6000 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 280X310X20/21 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 280.00 x 310.00 x 20.00
Material: TPU
Color:
BLUE
Part number: UN280310
Weight : 293.1900 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 280X320X20/21 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 280.00 x 320.00 x 20.00
Material: TPU
Color:
BLUE
Part number: UN280320
Weight : 384.7900 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 290X320X18/19 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 290.00 x 320.00 x 18.00
Material: TPU
Color:
BLUE
Part number: UN290320
Weight : 267.7700 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 300X330X18/19 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 300.00 x 330.00 x 18.00
Material: TPU
Color:
BLUE
Part number: UN300330
Weight : 278.5900 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 300X332X24/25 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 300.00 x 332.00 x 24.00
Material: TPU
Color:
BLUE
Part number: UN300332
Weight : 401.5700 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 305X340X27/28 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 305.00 x 340.00 x 27.00
Material: TPU
Color:
BLUE
Part number: UN305340
Weight : 507.0000 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 320X350X19/20 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 320.00 x 350.00 x 19.00
Material: TPU
Color:
BLUE
Part number: UN320350/1
Weight : 337.0000 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 320X350X22/23 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 320.00 x 350.00 x 22.00
Material: TPU
Color:
BLUE
Part number: UN320350
Weight : 364.0000 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 325X355X25/26 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 325.00 x 355.00 x 25.00
Material: TPU
Color:
BLUE
Part number: UN325355
Weight : 416.0000 gr.
Customs tariff code: 84129080
Country of origin: TW
Piston/Rod U-RING 330X350X15/16 BLUE TPU93
Family: Piston/Rod U-ring
Dimensions : 330.00 x 350.00 x 15.00
Material: TPU
Color:
BLUE
Part number: UN330350
Weight : 169.0000 gr.
Customs tariff code: 84129080
Country of origin: TW
Technical data
U-Ring | Profile | Material | Hardness | Bars | Temperature | Speed |
Piston / Rod | PU / TPU | 92 / 93 SH A | ≤350 | -20 to +100 ºC | ≤0,50 m/s | |
Piston / Rod | NBR | 90 SH A | ≤400 | -30 to +105 ºC | ≤0,50 m/s |
Quick Links
PISTON/ROD U-RINGS
Symmetrical U-rings are very versatile as they can be used on both the piston and the rod. For hydraulic applications, PU or TPU are the standard materials while pneumatic applications will use NBR. Whether the application is single-acting or double-acting, this model offers high sealing efficiency as well as excellent resistance to abrasion, wear and friction. JIOrings offers a range of almost 2,000 standard sizes.
ADVANTAGES
- Superior static and dynamic sealing effect
- Economical sealing solution
- Simple groove design
- Easy assembly into closed grooves
APPLICATION
Construction machinery, fork-lift trucks , injection moulding machines, agricultural machinery, loading platforms and standard cylinders.
WORKING CONDITIONS
NBR90 | |||
MEDIA | Mineral oils (DIN 51524) | HFA & HFB | HFC |
TEMPERATURE | -30° C to +105 °C | +5 °C to +60 °C | -30 °C to +60 °C |
PRESSURE | ≤150 Bar | ≤150 Bar | ≤150 Bar |
SPEED | ≤0,5 m/sn | ≤0,5 m/sn | ≤0,5 m/sn |
PU92 / TPU92 / TPU93 | |||
MEDIA | Mineral oils (DIN 51524) | HFA & HFB | HFC |
TEMPERATURE | -30°C to +100°C | +5 °C to +50 °C | -30 °C to +40 °C |
PRESSURE | ≤400 Bar | ≤400 Bar | ≤400 Bar |
SPEED | ≤0,5 m/sn | ≤0,5 m/sn | ≤0,5 m/sn |
TPU95 High performance | |||
MEDIA | Mineral oils (DIN 51524) | HFA & HFB | HFC |
TEMPERATURE | -35 °C to +110 °C | +10 °C to +50 °C | -35 °C to +50 °C |
PRESSURE | ≤400 Bar | ≤400 Bar | ≤400 Bar |
SPEED | ≤0,5 m/sn | ≤0,5 m/sn | ≤0,5 m/sn |
Note:
For special applications requiring high temperatures, U-rings can be manufactured in FPM.
ROUGHNESS SURFACE
Ra | Rmax | |
Dynamic surface | ≤0,3 μm | ≤3,0 μm |
Groove base | ≤1,8 μm | ≤10,0 μm |
Groove flanks | ≤3,2 μm | ≤16,0 μm |
INSTALLATION
Easily assembled into closed grooves according to the minimum diameter values that are given in the below table. Open grooves or special assembly tools should be used for the values that are outside this table. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the wiper must be oiled with system oil.
Minimum diametre values for closed type of grooves | |||||||
(D-d)/2 (mm) | 4 | 5 | 6 | 7,7 | 10 | 12,5 | 15 |
dmin (mm) | 25 | 30 | 40 | 50 | 80 | 100 | 105 |
Maximum permissible gap NBR | |||
C/S | Pressure (Bar) | ||
50 | 100 | 160 | |
≤5 | 0.40 | 0.20 | 0.10 |
>5 | 0.45 | 0.25 | 0.15 |
Maximum permissible gap PU/TPU | |||
C/S | Pressure (Bar) | ||
150 | 250 | 400 | |
≤5 | 0,30 | 0,20 | 0,15 |
>5 | 0,35 | 0,25 | 0,20 |
Note:
The largest sealing gap value occurring on the non-pressurized side of the seal does have a vital importance for the function of the seal and in this respect it is quite important to use the S value lower than the above indicated numbers.