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 Outside390 mm
Ring Width7.6 mm
Signature StandardPST803900-M12
TSS Article Number (3 to 9)T803900
Quality (10th Digit)-
Type of Article0
Root Ring Inside Diameter378.7 mm
Root Groove Inside Diameter366 mm
Root Groove Outside Diameter390 mm
Root Groove Thickness12 mm
Root Groove Width8.1 mm
Groove Diameter Inside366 mm
Article GroupPS
Root Ring Length0 mm
Legacy ID from KOM2PST803900-M12
Root Ring Outside Diameter391.7 mm
Root Ring Thickness6.5 mm
Root Ring Width7.6 mm
Ring Thickness6.5 mm
Groove Thickness12 mm
Groove Width8.1 mm
Ring Length0 mm
Seals Helsingor Material Class:
Seal Tube OD Tolerance Max50 mm
Seal Tube ID Tolerance Min-50 mm
Seal Tube OD Tolerance From394.7 mm
Seal Tube ID Tolerance Max-3 mm
Seal Tube OD Tolerance Min3 mm
Ring Diameter Outside391.7 mm
Seal Tube OD Tolerance To441.7 mm
Seal Tube ID Tolerance To375.7 mm
Seal Tube ID Tolerance From328.7 mm
Ring Diameter Inside378.7 mm
Class Dependencies200000055772
Material Number200000055772
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