suitable for high-pressure main hydraulic circuits in large mining machinery, shield tunneling machines, and heavy-duty loaders; ultra-high pressure pipelines in metallurgical rolling equipment, port cranes, and large hydraulic power units; hydraulic delivery systems in heavy-duty construction machinery, large-tonnage special vehicles, and large injection molding equipment, capable of withstanding severe operating conditions with high-frequency pulses and continuous heavy-duty loads.
| PRODUCT NAME | NOMINAL BORE | SPECIFICATION | INSIDE DIAMETER （ID）mm | OUTSIDE DIAMETER （OD）mm | MAXIMUM WORKING PRESSURE W.P | MINIMUM BURST PRESSURE B.P | MINIMUM BEND RADIUS Min.B.R | |
| mm | inch | min | max | max | Mpa | Mpa | mm | |
| DN10 | 10 | 3/8 | 9.3 | 10.1 | 22.2 | 31.5 | 126 | 125 |
| DN13 | 13 | 1/2 | 12.3 | 13.5 | 25.4 | 28 | 112 | 180 |
| DN19 | 19 | 3/4 | 18.6 | 19.8 | 32.2 | 21 | 84 | 240 |
| DN25 | 25 | 1 | 25.0 | 26.4 | 40.9 | 21 | 84 | 300 |
| DN32 | 32 | 1 1/4 | 31.4 | 33.0 | 52.4 | 17.5 | 70 | 420 |
| DN38 | 38 | 1 1/2 | 37.7 | 39.3 | 58.7 | 14 | 56 | 500 |
| DN51 | 51 | 2 | 50.4 | 52.0 | 73.0 | 14 | 56 | 660 |
