Type BP (Spiral) - BP1500050-PT008
Rectangular cross-section. Consists of two spiral windings which are cut at the ends at an angle of 30° or 45°. Designed for static and dynamic use, but when used in a dynamic application they should be used for reciprocating movements only.
Internal Sealing (Rod) and External (Bore) sealing:
Back-up Ring dimensions OD x W x T 5 x 1.5 x 0.7 mm
Material Properties:
Maximum Operating Temperature 120 °C
Minimum Operating Temperature -45 °C
Hardness Nominal 55
Hardness Tolerance +/- 5
Hardness Unit Shore D
Color White
Material Type PTFE
Tensile Strength 20 MPa
Elongation at break 250 %
Installation Dimensions:
Bore Diameter DN H8 // Groove Diameter d6 H9 8 mm
Groove Width b2 +0.25 3.8 mm
Groove Width b3 +0.25 5.2 mm
Radius, r ±0.2 0.25 mm
Groove Diameter d3 h9 // Rod Diameter dN f7 5 mm
Seal Capabilities:
Min. Temperature -200 °C
Max. Temperature 260 °C
Static Pressure max. 250 MPa
Pressure max., dynamic use, reciprocating 25 MPa
Pressure max., dynamic use, oscillating or rotating 15 MPa
Material Information for the product(s) on this page
PT008
Colour:
White
Hardness:
55 (Shore D)
Commercial Description:
Unfilled PTFE. This material is standard for back-up rings. Unfilled PTFE helps prevent extrusion in low- to medium-duty applications where an O-ring used by itself would not be suitable.
Basic Material:
PTFE