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)3100700
Signature StandardBD3100700-PTB44
Type of Article0
Quality (10th Digit)-
Ring Diameter Outside70 mm
Compound codePTB44
Root Ring Outside Diameter70 mm
Root Ring Width1.7 mm
Article GroupBD
Ring Thickness3.1 mm
Ring Width1.7 mm
Root Ring Thickness3.1 mm
Material Information for the product(s) on this page
PTB44
Shore D Hardness:
60+/- 5
Specific Gravity:
3.05
Color:
Brown
Hardness Tolerance:
+/- 5
Material Type:
PTFE
Gravity Tolerance:
+/-0.07
Hardness unit:
Shore D
Minimum Temperature:
-200
Minimum Hardness:
60
Material:
PTB44
Gravity Unit:
g/cm³
Maximum Hardness:
60
Material Code Class:
Thermoplastic
Maximum Temperature:
260