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:
Signature StandardBD40HO2064PTGB4
Type of Article1
Article Code with 6 charHO2064
Ring Diameter Outside206.4 mm
Compound codePTGB4
Root Ring Outside Diameter206.4 mm
Root Ring Width4.05 mm
Article GroupBD
Location Mark40
Ring Thickness1.7 mm
Ring Width4.05 mm
Root Ring Thickness1.7 mm
Material Information for the product(s) on this page
PTGB4
Minimum Temperature:
-200
Material Type:
PTFE
Maximum Temperature:
260
Hardness Tolerance:
+/- 5
Gravity Tolerance:
+/-0.04
Minimum Hardness:
58
Specific Gravity:
2.21
Material Code Class:
Thermoplastic
Shore D Hardness:
58+/- 5
Maximum Hardness:
58
Material:
PTGB4
Color:
White
Hardness unit:
Shore D
Gravity Unit:
g/cm³