English
Stepseal® 2A has all of the excellent performance characteristics of Stepseal® 2K with additional design features to protect against tilting as a result of back pressure. Available in Turcon® or Zurcon® materials. The O-Ring is not included with this item.
Piston/Stepseal®/Turcon®:
Groove Diameter Outside85 mm
Ring Width3.91 mm
Signature StandardPST200850-M12
TSS Article Number (3 to 9)T200850
Quality (10th Digit)-
Type of Article0
Root Ring Inside Diameter80.45 mm
Root Groove Inside Diameter74.3 mm
Root Groove Outside Diameter85 mm
Root Groove Thickness5.35 mm
Root Groove Width4.2 mm
Groove Diameter Inside74.3 mm
Article GroupPS
Root Ring Length0 mm
Legacy ID from KOM2PST200850-M12
Root Ring Outside Diameter85.75 mm
Root Ring Thickness2.65 mm
Root Ring Width3.91 mm
Ring Thickness2.65 mm
Groove Thickness5.35 mm
Groove Width4.2 mm
Ring Length0 mm
Seals Helsingor Material Class:
Seal Tube OD Tolerance Max16 mm
Seal Tube ID Tolerance Min-16 mm
Seal Tube OD Tolerance From87.05 mm
Seal Tube ID Tolerance Max-1.3 mm
Seal Tube OD Tolerance Min1.3 mm
Ring Diameter Outside85.75 mm
Seal Tube OD Tolerance To101.75 mm
Seal Tube ID Tolerance To79.15 mm
Seal Tube ID Tolerance From64.45 mm
Ring Diameter Inside80.45 mm
Class Dependencies200000041381
Material Number200000041381
Compound Type110
Compound codeM12
Material Information for the product(s) on this page
M12
Gravity Unit:
g/cm³
Specific Gravity:
2.31
Color:
Dark Grey
Maximum Temperature:
260
Minimum Temperature:
-200
Ball Hardness:
34
Material Type:
PTFE
Material:
M12
Gravity Tolerance:
+/-0.03
Material Code Class:
Thermoplastic