English
Back-up Ring Type BD / concave, cut is a high-performance support ring designed to prevent seal extrusion in high-pressure applications. Featuring a concave profile and a cut design for easy installation, it is used behind O-Rings to enhance sealing reliability. Ideal for static and dynamic applications, this back-up ring offers excellent pressure resistance and extends seal life in hydraulic and pneumatic systems.
BU Concave cut OD:
Ring Width2.7 mm
Ring Diameter Outside90 mm
Ring Diameter Inside84.6 mm
TSS Article Number (3 to 9)2700900
Signature StandardBD2700900-PTKC4
Type of Article0
Quality (10th Digit)-
Root Ring Inside Diameter84.6 mm
Article GroupBD
Root Ring Outside Diameter90 mm
Root Ring Thickness2.7 mm
Root Ring Width1.4 mm
Ring Thickness1.4 mm
Compound codePTKC4
Material Information for the product(s) on this page
PTKC4
Minimum Temperature:
-200
Maximum Temperature:
260
Color:
Black
Maximum Hardness:
63
Material:
PTKC4
Material Code Class:
Thermoplastic
Shore D Hardness:
63+/- 3
Hardness Tolerance:
+/- 3
Gravity Unit:
g/cm³
Gravity Tolerance:
+/-0.03
Specific Gravity:
2.08
Hardness unit:
Shore D
Minimum Hardness:
63
Material Type:
PTFE