PTFE Spiral Back-Up Rings BR | Support Rings Ireland
PTFE Spiral Back-Up Rings BR | Support Rings Ireland
The BR category features PTFE spiral back-up rings designed for use in static sealing applications. These rings are essential for engineers, mechanics, and agricultural professionals in Ireland who require reliable support for O-rings in high-pressure hydraulic and mechanical systems. PTFE construction ensures chemical resistance and durability, making them suitable for demanding environments. Choose from a range of sizes to match your sealing requirements and maintain system integrity.
Key features & uses
- PTFE spiral back-up rings offer excellent resistance to chemicals and high temperatures. Commonly used to prevent extrusion of O-rings in hydraulic cylinders, pumps, and static sealing points. Suitable for agricultural, engineering, and workshop maintenance tasks.
Related categories
Filters
Colour
white
Construction type
support ring
Customs tariff number
39269097
M
10 mm
100 mm
101 mm
104 mm
105 mm
108 mm
11 mm
110 mm
114 mm
117 mm
12 mm
120 mm
121 mm
123 mm
124 mm
126 mm
127 mm
13 mm
130 mm
133 mm
136 mm
139 mm
14 mm
140 mm
143 mm
145 mm
146 mm
15 mm
150 mm
152 mm
158 mm
16 mm
165 mm
167 mm
168 mm
17 mm
170 mm
171 mm
178 mm
184 mm
188 mm
19 mm
190 mm
20 mm
209 mm
21 mm
22 mm
228 mm
23 mm
24 mm
241 mm
25 mm
255 mm
27 mm
28 mm
280 mm
3 mm
30 mm
305 mm
31 mm
32 mm
33 mm
330 mm
35 mm
36 mm
38 mm
4 mm
4.5 mm
40 mm
41 mm
42 mm
43 mm
44 mm
45 mm
46 mm
47 mm
48 mm
49 mm
5 mm
50 mm
51 mm
52 mm
53 mm
54 mm
55 mm
56 mm
57 mm
59 mm
60 mm
62 mm
63 mm
64 mm
66 mm
67 mm
68 mm
69 mm
7 mm
70 mm
72 mm
73 mm
75 mm
76 mm
79 mm
8 mm
80 mm
82 mm
85 mm
89 mm
9 mm
90 mm
92 mm
95 mm
98 mm
Material
PTFE (Polytetrafluoroethylene)
N
10.1 mm
101.2 mm
101.4 mm
104.2 mm
104.4 mm
107.2 mm
107.4 mm
109.4 mm
11.1 mm
110.4 mm
111.2 mm
112.5 mm
113.4 mm
114.2 mm
117.2 mm
118.5 mm
119.4 mm
12.1 mm
120.2 mm
123.2 mm
123.4 mm
126.2 mm
126.4 mm
129.2 mm
130.4 mm
132.2 mm
133.2 mm
133.4 mm
135.2 mm
138.2 mm
139.2 mm
139.4 mm
14.1 mm
14.5 mm
142.2 mm
148.2 mm
149.4 mm
15.5 mm
151.2 mm
152.2 mm
152.4 mm
157.2 mm
159.4 mm
16.1 mm
16.5 mm
161.4 mm
164.2 mm
167.4 mm
17.1 mm
171.2 mm
177.2 mm
179.2 mm
18.5 mm
180.2 mm
180.4 mm
182.2 mm
187.4 mm
19.1 mm
19.5 mm
196.2 mm
199.4 mm
20.1 mm
20.5 mm
200.2 mm
21.5 mm
218.4 mm
22.1 mm
23.5 mm
237.4 mm
24.1 mm
24.5 mm
247.2 mm
25.1 mm
25.2 mm
250.4 mm
26.2 mm
26.5 mm
267.2 mm
27.1 mm
28.1 mm
28.2 mm
286.2 mm
29.2 mm
29.5 mm
292.2 mm
31.2 mm
31.5 mm
317.2 mm
32.5 mm
33.1 mm
33.2 mm
34.2 mm
342.2 mm
36.2 mm
36.5 mm
37.2 mm
38.1 mm
39.2 mm
39.5 mm
40.5 mm
41.2 mm
42.2 mm
42.5 mm
44.5 mm
45.5 mm
46.2 mm
47.5 mm
48.2 mm
49.2 mm
50.4 mm
50.5 mm
51.2 mm
52.2 mm
52.5 mm
53.4 mm
53.5 mm
54.2 mm
55.2 mm
55.5 mm
56.4 mm
57.2 mm
58.2 mm
59.4 mm
59.5 mm
6.1 mm
60.2 mm
61.5 mm
62.2 mm
62.4 mm
63.2 mm
63.5 mm
64.5 mm
65.2 mm
66.2 mm
66.4 mm
66.5 mm
67.5 mm
68.2 mm
69.4 mm
7.1 mm
7.6 mm
70.2 mm
72.4 mm
73.2 mm
74.2 mm
74.5 mm
75.4 mm
76.2 mm
78.2 mm
78.4 mm
79.2 mm
8.1 mm
80.5 mm
81.2 mm
82.2 mm
82.4 mm
84.4 mm
85.2 mm
85.4 mm
86.5 mm
88.2 mm
88.4 mm
89.4 mm
91.2 mm
91.4 mm
93.5 mm
95.2 mm
98.2 mm
99.4 mm
99.5 mm
OR
10.77 x 2.62
10.82 x 1.78
100.00 x 5.34
100.97 x 5.34
101.19 x 3.53
104.14 x 5.34
104.37 x 3.53
107.54 x 3.53
107.62 x 2.62
109.54 x 5.34
11.91 x 2.62
110.49 x 5.34
110.72 x 3.53
113.67 x 5.34
113.67 x 7.00
113.89 x 3.53
113.97 x 2.62
116.84 x 5.34
117.07 x 3.53
12.42 x 1.78
120.02 x 5.34
120.02 x 7.00
120.24 x 3.53
123.19 x 5.34
123.20 x 7.00
123.42 x 3.53
126.37 x 7.00
126.59 x 3.53
129.54 x 5.34
129.54 x 7.00
13.94 x 2.62
132.94 x 3.53
135.89 x 7.00
139.07 x 5.34
139.07 x 7.00
139.70 x 5.34
14.00 x 1.78
142.24 x 5.34
145.42 x 7.00
145.64 x 3.53
148.59 x 5.34
15.08 x 2.62
15.54 x 2.62
15.60 x 1.78
15.88 x 2.62
151.77 x 5.34
151.77 x 7.00
158.12 x 5.34
164.47 x 7.00
164.69 x 3.53
166.70 x 7.00
168.30 x 7.00
17.12 x 2.62
17.17 x 1.78
170.82 x 5.34
170.82 x 7.00
177.17 x 5.34
18.64 x 3.53
18.72 x 2.62
18.77 x 1.78
183.52 x 7.00
187.30 x 7.00
189.87 x 5.34
2.90 x 1.78
20.22 x 3.53
20.30 x 2.62
20.35 x 1.78
208.92 x 5.34
21.82 x 3.53
21.89 x 2.62
227.97 x 5.34
23.39 x 3.53
23.53 x 1.78
24.99 x 3.53
240.67 x 5.34
240.89 x 3.53
25.07 x 2.62
25.12 x 1.78
253.37 x 7.00
26.57 x 3.53
26.64 x 2.62
278.77 x 7.00
278.99 x 3.53
28.17 x 3.53
28.24 x 2.62
29.74 x 3.53
29.87 x 1.78
3.68 x 1.78
304.17 x 7.00
31.34 x 3.53
31.42 x 2.62
32.92 x 3.53
329.57 x 7.00
34.52 x 3.53
34.59 x 2.62
34.65 x 1.78
36.09 x 3.53
36.17 x 2.62
37.77 x 2.62
39.34 x 2.62
39.70 x 3.53
4.47 x 1.78
40.64 x 5.34
40.87 x 3.53
40.94 x 2.62
41.28 x 3.53
42.52 x 2.62
42.86 x 3.53
43.82 x 5.34
44.04 x 3.53
45.69 x 2.62
46.04 x 3.53
46.99 x 5.34
47.29 x 2.62
47.62 x 3.53
48.90 x 2.62
49.20 x 3.53
5.28 x 1.78
50.17 x 5.34
50.39 x 3.53
50.47 x 2.62
52.40 x 3.53
53.34 x 5.34
53.57 x 3.53
55.25 x 2.62
55.56 x 3.53
56.52 x 5.34
56.74 x 3.53
56.82 x 2.62
58.42 x 2.62
58.74 x 3.53
59.69 x 5.34
59.92 x 3.53
59.99 x 2.62
6.07 x 1.78
6.75 x 1.78
61.60 x 2.62
61.90 x 3.53
62.87 x 5.34
63.09 x 3.53
63.17 x 2.62
66.04 x 5.34
66.27 x 3.53
68.26 x 3.53
69.22 x 5.34
69.44 x 3.53
69.52 x 2.62
7.65 x 1.78
71.44 x 3.53
72.39 x 5.34
72.62 x 3.53
74.60 x 3.53
74.63 x 5.34
75.57 x 5.34
75.79 x 3.53
75.87 x 2.62
78.74 x 5.34
78.97 x 3.53
79.73 x 5.34
81.92 x 5.34
82.14 x 3.53
82.22 x 2.62
85.32 x 3.53
88.49 x 3.53
88.57 x 2.62
89.69 x 5.34
9.19 x 2.62
9.25 x 1.78
9.90 x 2.62
91.44 x 5.34
91.67 x 3.53
94.62 x 5.34
94.84 x 3.53
94.92 x 2.62
97.79 x 5.34
98.02 x 3.53
Temp. max.
260 C
Temp. min.
-200 C
Working pressure
500 bar
FAQ
Frequently asked questions
A range of sizes is available to suit various O-ring dimensions. Please check product listings for specific measurements.
Yes, BR PTFE spiral back-up rings are commonly used in hydraulic systems to prevent O-ring extrusion under pressure.
Yes, PTFE support rings are compatible with most common O-ring materials, offering versatile sealing support.