| Design & Manufacture | JIS B2071 B2081 |
| Face to face | JIS B2002 |
| Flange Diension | JIS B2212 |
| Pressure Temperature rating | JIS B2071 |
| inspection & test | JIS B2003 |
| Material | WCB, CF8, CF8M |
| Suitable Temperature | ‘-29~200℃ |
| applicable medium | water, gas, oil |
| CF8(304): suitable for nitric acid | |
| CF8M(316): suitable for acetic acid |
