DBM DELTA (DOUBLE ACTION PISTONSEAL)

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DBM DELTA is a three piece double acting compact piston seal which consists one elastomeric nitrile rubber sealing element and two special profiled thermoplastic guide rings.

PRODUCT ADVANTAGES

  • Simple groove design , one-piece piston possible
  • Simple snap installation
  • Economic sealing and guiding solution
  • Can be used in small cross-sections

APPLICATION:

Agricultural machinery and light duty cylinders.

INSTALLATION:

Easily assembled into one-piece piston because the guide rings are been produced in split forms. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the sealing elements must be oiled with system oil.

NOTES For special applications that require high temperatures , DBM DELTA piston seal is manufactured in FPM and special mixture PTFE material

MATERIAL: .POM / NBR 80 SH

 

 
OPERATING CONDITIONS
MEDIA Mineral oils (DIN 51524)  HFA and HFB HFC
TEMPERATURE -30°C +105°C +5°C +60°C -30°C +60°C
PRESSURE ≤150 Bar ≤150 Bar ≤150 Bar
SPEED ≤0.5 m/s ≤0.5 m/s ≤0.5 m/s

Note: The above data are maximum values and cannot be used at the same time

SURFACE ROUGHNESS Ra Rmax
Sliding Surface ØD ≤0.4 μm ≤4.0 μm
Groove Base  Ød ≤1.6 μm ≤10 μm
Groove Flanks B ≤3.2 μm ≤16 μm

Note: It is recommended to have 50% to 90% of the working surface material contact area value.

 

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# Vota code Name Application Material Pressure
(bar)
Temperature °C Sliding Speed (m/s)
zuiger-afdichting/dbm-delta DBM DELTA DBM DELTA (DOUBLE ACTION PISTONSEAL) PISTON NBR-POM 150 -30°C +105°C 0.5
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