| 公称通经 | 标准代号 | 企业代号 |
| DN15 | T(S)-S DN15X15.9 | ST15 |
| DN20 | T(S)-S DN20X22.2 | ST20 |
| DN25 | T(S)-S DN25X28.6 | ST25 |
| DN32 | T(S)-S DN32X34 | ST32 |
| DN40 | T(S)-S DN40X42.7 | ST40 |
| DN50 | T(S)-S DN50X50.8 | ST50 |
| DN65 | T(S)-S DN65X76.1 | ST65 |
| DN80 | T(S)-S DN80X88.9 | ST80 |
| DN100 | T(S)-S DN100X101.6 | ST100 |