| Hrdla | Soucasné provedení hrdla Cu | Nové provedení hrdla nerez | prutok |
| 3/8"x5/8" | - | EX4-I21 (800615) | jednosmerné |
| 10x16 mm | - | EX4-M21 (800616) | jednosmerné |
| 16x16 mm (5/8"x5/8") | - | EX4-U31 (800617) | obousmerné |
| 5/8"x7/8" (16x22 mm) | EX5-U21 (800600) | EX5-U21 (800618) | jednosmerné |
| 7/8"x7/8" (22x22 mm) | - | EX5-U31 (800619) | obousmerné |
| 7/8"x1-1/8" | EX6-I21 (800610) | EX6-I21 (800620) | jednosmerné |
| 22x28 mm | EX6-M21 (800611) | EX6-M21 (800621) | jednosmerné |
| 1-1/8" x 1-1/8" | - | EX6-I31 (800622) | obousmerné |
| 28x28 mm | - | EX6-M31 (800623) | obousmerné |
| 1-3/8"x1-3/8" (35x35 mm) | EX7-U21 (801686) | - | - |
| 1-1/8"x1-3/8" | - | EX7-I21 (800624) | jednosmerné |
| 28x35 mm | - | EX7-M21 (800625) | jednosmerné |
| 1-3/8x1-3/8 (35x35) | EX7-B21 (801679) | EX7-U31 (800626) | obousmerné |

