| Type | H74H, H74X, H74W |
| PN | DN40~DN600mm |
| PN | 1.6MPa , 2.5MPa, 150Lb, 300Lb |
| Suitable temperature | -29-250℃ |
| suitable medium | water, gas, oil |
| CF8(304): suitable for nitric acid | |
| CF8M(316): suitable for acetic acid | |
| Technical Standard | |
| End-flange standard | GB9113, JB79, ASME B16.5, DIN543~2546, (DIN2630~2637), BS4504, ISB2213~2216 |
| Test Standard | GB/T13927, ISO5208, API598, API6D |
| Material | WCB, CF8, CF8M |




