Couplings according British Standard BS 336
Technical Information
A non-symmetrical quick connection coupling with a male and female part. These couplings are only suitable for delivery operation. For suction operation round thread couplings are in use.
| 3" | 3" (75) | Rd 92 x 1/3" | 2,100 | 20133233 | |
| 4" | 4" (100) | Rd 117 x 1/3" | 2,910 | 20024633 | |
| 4" | 4" (100) | Rd 117 x 1/3" | 8,500 | 20024693 | |
| 4" | 4¼" (110) | Rd 117 x 1/3" | 2,950 | 20165733 | |
| 5" | 5" (125) | Rd 143 x 1/3" | 3,600 | 20136233 | |
| 5 ½" | 5½" (140) | Rd 156 x 1/3" | 4,750 | 20114533 | |

