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 Outside76 mm
Ring Diameter Inside70.6 mm
TSS Article Number (3 to 9)2700760
Signature StandardBD2700760-PTGB4
Type of Article0
Quality (10th Digit)-
Root Ring Inside Diameter70.6 mm
Article GroupBD
Root Ring Outside Diameter76 mm
Root Ring Thickness2.7 mm
Root Ring Width1.4 mm
Ring Thickness1.4 mm
Compound codePTGB4
Material Information for the product(s) on this page
PTGB4
Gravity Unit:
g/cm³
Hardness Tolerance:
+/- 5
Gravity Tolerance:
+/-0.04
Minimum Temperature:
-200
Material:
PTGB4
Material Code Class:
Thermoplastic
Material Type:
PTFE
Color:
White
Maximum Temperature:
260
Hardness unit:
Shore D
Minimum Hardness:
58
Specific Gravity:
2.21
Maximum Hardness:
58
Shore D Hardness:
58+/- 5