Type BU (uncut) and BG (cut)
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.
Size Range:
8 mm to 210 mm
Temperature:
-200 °C to 260 °C
Pressure (max):
25 MPa
Material Information for the product(s) on this page
PT00
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.
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
| Product No. | Material Type | Rod Diameter, dN f7 | Groove Diameter, d6 H9 | Groove Width, b2 +0.25 | Add to Enquiry | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Product No.BU1300120-PT00 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 12 | Groove Diameter, d<sub>6</sub> H9 [14.6] | Groove Width, b<sub>2</sub> +0.25 3.8 | ||||||
| Product No.BU2000250-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 25 | Groove Diameter, d<sub>6</sub> H9 [29.0] | Groove Width, b<sub>2</sub> +0.25 5 | ||||||
| Product No.BU4301464-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 146.4 | Groove Diameter, d<sub>6</sub> H9 [155.0] | Groove Width, b<sub>2</sub> +0.25 9 | ||||||
| Product No.BU5803000-PT00 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 300 | Groove Diameter, d<sub>6</sub> H9 [311.6] | Groove Width, b<sub>2</sub> +0.25 12.3 | ||||||
| Product No.BG1200126-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 12.6 | Groove Diameter, d<sub>6</sub> H9 [15.0] | Groove Width, b<sub>2</sub> +0.25 3.1 | ||||||
| Product No.BG1300224-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 22.4 | Groove Diameter, d<sub>6</sub> H9 [25.0] | Groove Width, b<sub>2</sub> +0.25 3.8 | ||||||
| Product No.BG1500090-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 9 | Groove Diameter, d<sub>6</sub> H9 [12.0] | Groove Width, b<sub>2</sub> +0.25 4.1 | ||||||
| Product No.BG2000120-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 12 | Groove Diameter, d<sub>6</sub> H9 [16.0] | Groove Width, b<sub>2</sub> +0.25 5 | ||||||
| Product No.BG2000360-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 36 | Groove Diameter, d<sub>6</sub> H9 [40.0] | Groove Width, b<sub>2</sub> +0.25 5 | ||||||
| Product No.BG2700446-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 44.6 | Groove Diameter, d<sub>6</sub> H9 [50.0] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BG2700466-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 46.6 | Groove Diameter, d<sub>6</sub> H9 [52.0] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BG2700496-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 49.6 | Groove Diameter, d<sub>6</sub> H9 [55.0] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BG2700746-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 74.6 | Groove Diameter, d<sub>6</sub> H9 [80.0] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BG4001170-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 117 | Groove Diameter, d<sub>6</sub> H9 [125.0] | Groove Width, b<sub>2</sub> +0.25 8.3 | ||||||
| Product No.BG5801684-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 168.4 | Groove Diameter, d<sub>6</sub> H9 [180.0] | Groove Width, b<sub>2</sub> +0.25 12.3 | ||||||
| Product No.BG5801984-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 198.4 | Groove Diameter, d<sub>6</sub> H9 [210.0] | Groove Width, b<sub>2</sub> +0.25 12.3 | ||||||
| Product No.BG5802084-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 208.4 | Groove Diameter, d<sub>6</sub> H9 [220.0] | Groove Width, b<sub>2</sub> +0.25 12.3 | ||||||
| Product No.BU1500100-PT00 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 10 | Groove Diameter, d<sub>6</sub> H9 [13.0] | Groove Width, b<sub>2</sub> +0.25 4.1 | ||||||
| Product No.BU2000300-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 30 | Groove Diameter, d<sub>6</sub> H9 [34.0] | Groove Width, b<sub>2</sub> +0.25 5 | ||||||
| Product No.BU2700400-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 40 | Groove Diameter, d<sub>6</sub> H9 [45.4] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BU2700450-PT00 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 45 | Groove Diameter, d<sub>6</sub> H9 [50.4] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BU2700500-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 50 | Groove Diameter, d<sub>6</sub> H9 [55.4] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BU2700596-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 59.6 | Groove Diameter, d<sub>6</sub> H9 [65.0] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BU2701046-PT008 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 104.6 | Groove Diameter, d<sub>6</sub> H9 [110.0] | Groove Width, b<sub>2</sub> +0.25 6.2 | ||||||
| Product No.BU5801500-PT00 | Material Type [PTFE] | Rod Diameter, d<sub>N</sub> f7 150 | Groove Diameter, d<sub>6</sub> H9 [161.6] | Groove Width, b<sub>2</sub> +0.25 12.3 | ||||||