Product categories
R-131 I/U Unions Inside/outside threads Conical sealing
Inside parallel threads acc. to ISO 228-1 G, outside taper threads acc. to ISO 7/1 / EN 10226 R
CNC-machined from bar
Individual pressure calculated according to EN 13480-3
Stock standard EN 1.4404, other steel grades such as EN 1.4307, EN 1.4432, EN 1.4462 (Duplex 2205), 1.4539 (904L) and EN 1.4547 (S31254/SMO) upon request
NPT-threads upon request
| DN | Dim. | L mm |
L1 ISO 7/1 R mm |
L2 ISO 228/1 mm |
D mm |
d mm |
Width across flats mm |
Design pressure Mpa |
Weight kg/pce |
Article code EN 1.4404 |
| 6 | 1/8” | 40,5 | 6,5 | 6 | 15 | 5 | 24 | 10 | 0,07 | 11-2131-01 |
| 8 | 1/4” | 47 | 10 | 9 | 20,5 | 7,5 | 30 | 10 | 0,12 | 11-2131-02 |
| 10 | 3/8” | 53 | 11,5 | 10 | 24 | 11 | 38 | 10 | 0,20 | 11-2131-03 |
| 15 | 1/2” | 62 | 14 | 13 | 29 | 14 | 42 | 10 | 0,29 | 11-2131-04 |
| 20 | 3/4” | 66 | 15 | 16 | 35 | 19 | 50 | 10 | 0,42 | 11-2131-05 |
| 25 | 1” | 74 | 16,5 | 18 | 44 | 24 | 60 | 10 | 0,67 | 11-2131-06 |
| 32 | 1 1/4” | 81 | 17,5 | 20 | 52 | 31 | 67 | 6,4 | 0,90 | 11-2131-07 |
| 40 | 1 1/2” | 84 | 18,5 | 21 | 58 | 38 | 72 | 6,4 | 1,09 | 11-2131-08 |
| 50 | 2” | 87 | 22 | 21 | 71,5 | 49 | 85,5 | 6,4 | 1,53 | 11-2131-09 |
| 65 | 2 1/2” | 97 | 26,5 | 23 | 88 | 65 | 110 | 4 | 2,32 | 11-2131-10 |
| 80 | 3” | 109 | 29,5 | 25 | 102 | 76 | 124 | 4 | 3,42 | 11-2131-11 |
3D drawings
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