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GRN back-up ring of a special profile preventing extrusion of O-rings in the gap.
Back-up ring GRN
| Name | Код | D | d | D1 | d1 | H1⁺⁰·² | H2⁺⁰·² | δ | O-Ring | |
|---|---|---|---|---|---|---|---|---|---|---|
|
GRN 118x131 (B624) |
B624
|
131
|
118
|
130.2
|
118.8
|
10.7
|
13.2
|
0.2
|
116.84x6.99
|
|
GRN 127x140 (B625) |
B625
|
127
|
127
|
139.2
|
114.8
|
10.7
|
13.2
|
0.2
|
126.37x6.99
|
|
GRN 137x150 (B626) |
B626
|
150
|
137
|
149.2
|
137.8
|
10.7
|
13.2
|
0.2
|
135.89x6.99
|
|
GRN 140x152 (B627) |
B627
|
152
|
140
|
152.2
|
139.8
|
10.7
|
13.2
|
0.2
|
139.07x6.99
|
|
GRN 60x70 (B620) |
B620
|
70
|
60
|
69.4
|
60.6
|
7.9
|
9.6
|
0.15
|
59.69x5.33
|
|
GRN 64x73 (B621) |
B621
|
73
|
64
|
73.4
|
63.6
|
7.9
|
9.6
|
0.15
|
62.87x5.33
|
|
GRN 90x98 (B622) |
B622
|
98
|
90
|
99.4
|
88.6
|
7.9
|
9.6
|
0.15
|
88.27x5.33
|
|
GRN 98x108 (B623) |
B623
|
108
|
98
|
107.4
|
98.6
|
7.9
|
9.6
|
0.15
|
97.79x5.33
|
|
GRN 45x51 (B630) |
B630
|
51
|
44.5
|
50.7
|
44.8
|
5.6
|
7.0
|
0.15
|
44.04x3.53
|
|
GRN 64x70 (B631) |
B631
|
70
|
63.5
|
69.7
|
63.8
|
5.6
|
7.0
|
0.15
|
63.09x3.53
|
|
GRN 70x80 (B632) |
B632
|
80
|
70
|
79.4
|
70.6
|
7.9
|
9.6
|
0.15
|
69.22x5.33
|