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Product Series

DUA

DUA
  • Code:DUA
  • Pressure≤(MPa):40
  • Speed≤(m/s):0.5
  • Temp.Range℃:-30/+80
  • Material:PU
  • Medium:Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water,air and others.
  • Application:Mobile hydraulics, Telescopic cylinders, Industrial hydraulic
DUA
Application Range
TYPE DWG Pressure
(MPa)
Temperature(℃) Sliding speed (m/s)
Features

Medium
Standard or
can fit the
groove
DUI 40 -30…+80 0.5 Standard design,with shortened inner lip,can absorb defflections
Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water,air and others.
GB/T10708.1 RU0  IDI
DUR 40 -30…+80 0.5 Heavy duty,two sealing lips and back up ring
ISO 5597/1
RU3
DUC 40 -30…+80 0.5 Heavy duty,two sealing lips and back up ring
ISO 5597/1
RU3B
DUA 40 -30…+80 0.5 Design for small groove
ISO 5597/1
RU1 ISI
DUZ 40 -30…+80 0.5 Design for small groove, two sealing lips
ISO 5597/1
RU2
DUB 50 -30…+80 0.5 Design for small groove,two sealing lips with back up ring
ISO 5597/1
RU2B
DUL 40 -30…+80 0.5 Has hydrodynamic back-pumping ability
ISO 5597/1 RLS/RLM
DUS 25 -30…+80 0.5 Can fit in the same DSJ@DSH housings,which is ISO standard,mainly as a secondary seal,see DSJ@DSH for groove size
ISO 7425/2 GB/T15242.3
RU6

Material
Seal Back-UP Ring
PU POM/PTFE/PA

Pressure 160bar 250bar 400bar
Max Gap E E≤0.6mm E≤0.4mm E≤0.3mm

Order Example for standard version:
Rod Diameter d=100mm
Groove Diameter D=120mm
Seal Width H=12mm Type DUR
Order Code: DUR 100*120*12

Installation Dimension table based on Metric Size

d h9 D H10 L+0.2 H C≥
20~50 d+8 6.3 5.7 3
20~50 d+10 6.3 5.7 3.5
20~100 d+8 7 6 3
20~150 d+8 7.5 6.5 3
20~150 d+10 7.5 6.5 3.5
20~100 d+10 8 7.2 3
20~150 d+10 8 7.2 3.5
20~150 d+8 8.5 7.5 3
20~150 d+10 8.5 7.5 3.5
20~200 d+8 9 8 3
20~50 d+10 9 8 3.5
20~100 d+8 10 9 3
20~100 d+10 10 9 3.5
20~100 d13 10.5 9.5 5
20~200 d+10 11 10 3.5
20~150 d+15 11 10 5
20~200 d+8 12.5 11.5 3
20~200 d+10 12.5 11.5 3.5
20~200 d+15 12.5 11.5 5
20~200 d+10 13 12 3.5
50~200 d+15 13 12 5
20~250 d+20 13 12 6.5
20~150 d+20 14.5 13.5 6.5
50~200 d+10 15 14.3 3.5
50~250 d+20 16 15 6.5
100~300 d+25 16 15 7
100~300 d+30 19 18 7
100~300 d+25 20 19 7