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 Width4.35 mm
Ring Diameter Outside180 mm
Ring Diameter Inside171.3 mm
Location Mark43
Signature StandardBD43HO1800PT004
Type of Article1
Article Code with 6 charHO1800
Root Ring Inside Diameter171.3 mm
Article GroupBD
Root Ring Outside Diameter180 mm
Root Ring Thickness4.35 mm
Root Ring Width1.7 mm
Ring Thickness1.7 mm
Compound codePT004
Material Information for the product(s) on this page
PT004
Specific Gravity:
2.16
Color:
White
Maximum Hardness:
50
Shore D Hardness:
50+/- 5
Material Type:
PTFE
Minimum Temperature:
-200
Hardness unit:
Shore D
Material Code Class:
Thermoplastic
Hardness Tolerance:
+/- 5
Material:
PT004
Gravity Unit:
g/cm³
Gravity Tolerance:
+/-0.02
Minimum Hardness:
50
Maximum Temperature:
260