Stepseal® 2K was originally developed and patented by Trelleborg Sealing Solutions as a rod seal. Due to its outstanding properties it is well suited as a single-acting piston seal where high demands are made on positional accuracy and free movement. Available in Turcon® or Zurcon® materials. The O-Ring is not included with this item.
Piston/Stepseal®/Turcon®:
TSS Article Number (3 to 9)K200250
Signature StandardPSK200250-Z53
Type of Article0
Quality (10th Digit)-
Root Groove Thickness5.35 mm
Root Groove Inside Diameter14.3 mm
Root Groove Outside Diameter25 mm
Root Ring Inside Diameter20.08 mm
Root Groove Width4.2 mm
Ring Length0 mm
Groove Diameter Outside25 mm
Groove Width4.2 mm
Groove Diameter Inside14.3 mm
Groove Thickness5.35 mm
Ring Thickness2.65 mm
Legacy ID from KOM2PSK200250-Z53
Root Ring Width3.91 mm
Root Ring Outside Diameter25.38 mm
Root Ring Length0 mm
Ring Width3.91 mm
Article GroupPS
Root Ring Thickness2.65 mm
Seals Helsingor Material Class:
Seal Tube OD Tolerance From26.68 mm
Material Number200000041176
Seal Tube OD Tolerance Max16 mm
Seal Tube ID Tolerance Min-16 mm
Seal Tube ID Tolerance Max-1.3 mm
Seal Tube OD Tolerance To41.38 mm
Seal Tube ID Tolerance To18.78 mm
Seal Tube ID Tolerance From4.08 mm
Class Dependencies200000041176
Ring Diameter Outside25.38 mm
Compound codeZ53
Ring Diameter Inside20.08 mm
Compound Type110
Seal Tube OD Tolerance Min1.3 mm
Material Information for the product(s) on this page
Z53
Shore D Hardness:
70+/- 6
Hardness unit:
Shore D
Material:
Z53
Material Type:
PUR
Material Code Class:
Thermoplastic
Gravity Tolerance:
+/-0.02
Gravity Unit:
g/cm³
Minimum Temperature:
-45
Maximum Hardness:
70
Color:
Yellow to Light-Brown
Specific Gravity:
1.18
Minimum Hardness:
70
Hardness Tolerance:
+/- 6
Maximum Temperature:
110