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 Outside270 mm
Ring Width7.6 mm
Signature StandardPST802700-M12
TSS Article Number (3 to 9)T802700
Quality (10th Digit)-
Type of Article0
Root Ring Inside Diameter258.4 mm
Root Groove Inside Diameter246 mm
Root Groove Outside Diameter270 mm
Root Groove Thickness12 mm
Root Groove Width8.1 mm
Groove Diameter Inside246 mm
Article GroupPS
Legacy ID from KOM2PST802700-M12
Root Ring Outside Diameter271.4 mm
Root Ring Thickness6.5 mm
Root Ring Width7.6 mm
Ring Thickness6.5 mm
Groove Thickness12 mm
Groove Width8.1 mm
Seals Helsingor Material Class:
Seal Tube OD Tolerance Max50 mm
Seal Tube ID Tolerance Min-50 mm
Seal Tube OD Tolerance From274.4 mm
Seal Tube ID Tolerance Max-3 mm
Seal Tube OD Tolerance Min3 mm
Ring Diameter Outside271.4 mm
Seal Tube OD Tolerance To321.4 mm
Seal Tube ID Tolerance To255.4 mm
Seal Tube ID Tolerance From208.4 mm
Ring Diameter Inside258.4 mm
Class Dependencies200000075870
Material Number200000075870
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