BU5802200-PT00

Rectangular cross section. For static and dynamic use. Reciprocating and rotating movements possible. Material: PTFE. Back-up Rings are installed together with Trelleborg O-Rings and Quad-Ring® Seals to prevent extrusion in applications above 5 MPa / 725 psi. Available in spiral, cut, or uncut designs in unfilled PTFE, based on ISO 3601, AS 568.

Installation Dimensions:

Rod Diameter, d_N f7220 mm

Groove Diameter, d₆ H9231.6 mm

Groove Width, b₂ +0.2512.3 mm

Groove Width, b₃ +0.2515.1 mm

Radius, r ±0.20.25 mm

Material Properties:

Maximum Operating Temperature120 °C

Minimum Operating Temperature-45 °C

Hardness Nominal40

Hardness Tolerance+/- 5

Hardness UnitShore A

Material TypePTFE

Tensile Strength31 MPa

Elongation at break300 %

Seal Capabilities:

Min. Temperature-200 °C

Max. Temperature260 °C

Pressure max., static use250 MPa

Pressure max., dynamic use, reciprocating25 MPa

Pressure max., dynamic use, oscillating or rotating15 MPa

Instruction (PDF) 1

Material Information for the product(s) on this page

PT00

Material data sheet

Colour:

White to Offwhite

Basic Material:

PTFE

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.