4dhcpmingchen
Combined SPN for heavy duty shaft
Application Range
  Pressure [MPa] Temperature [°C] Sliding speed[m/s] Medium
Standard 35 -40 ... +160 1.5 Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others.
Material
  Elastomer slide ring
Standard Design NBR PTFE-Bronze
Special (on request) FKM PTFE-carbon

Standard and /or can fit the groove
SPN
Pressure 160bar 250bar 400bar
Max Gap E E≤0.6mm E≤0.4mm E≤0.2mm
Order Example for standard version:
Diameter d = 100 mm SPN 100*113.4*7.5

Installation Dimension table based on Metric Size
(mm)

d f8 D+0.2 H +0.2 h R1≤
18~50 d+9 4.5 4.3 0.8
40~140 d+13 7.5 7.3 1.2
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