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:
TSS Article Number (3 to 9)2700885
Signature StandardBD2700885-PTGB4
Type of Article0
Quality (10th Digit)-
Ring Diameter Outside88.5 mm
Compound codePTGB4
Root Ring Outside Diameter88.5 mm
Root Ring Width2.7 mm
Article GroupBD
Ring Thickness1.4 mm
Ring Width2.7 mm
Root Ring Thickness1.4 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