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®:
TSS Article Number (3 to 9)T803900
Signature StandardPST803900-M12
Type of Article0
Quality (10th Digit)-
Root Groove Thickness12 mm
Root Groove Inside Diameter366 mm
Root Groove Outside Diameter390 mm
Root Ring Inside Diameter378.7 mm
Root Groove Width8.1 mm
Ring Length0 mm
Groove Diameter Outside390 mm
Groove Width8.1 mm
Groove Diameter Inside366 mm
Groove Thickness12 mm
Ring Thickness6.5 mm
Legacy ID from KOM2PST803900-M12
Root Ring Width7.6 mm
Root Ring Outside Diameter391.7 mm
Root Ring Length0 mm
Ring Width7.6 mm
Article GroupPS
Root Ring Thickness6.5 mm
Seals Helsingor Material Class:
Seal Tube OD Tolerance From394.7 mm
Material Number200000055772
Seal Tube OD Tolerance Max50 mm
Seal Tube ID Tolerance Min-50 mm
Seal Tube ID Tolerance Max-3 mm
Seal Tube OD Tolerance To441.7 mm
Seal Tube ID Tolerance To375.7 mm
Seal Tube ID Tolerance From328.7 mm
Class Dependencies200000055772
Ring Diameter Outside391.7 mm
Compound codeM12
Ring Diameter Inside378.7 mm
Compound Type110
Seal Tube OD Tolerance Min3 mm
Material Information for the product(s) on this page
M12
Color:
Dark Grey
Material Code Class:
Thermoplastic
Material:
M12
Gravity Tolerance:
+/-0.03
Maximum Temperature:
260
Material Type:
PTFE
Minimum Temperature:
-200
Gravity Unit:
g/cm³
Ball Hardness:
34
Specific Gravity:
2.31