Precision manufactured by Quanzhou Baoming Hardware Products Co., Ltd. for municipal waterworks, HVAC distribution, and industrial pipeline projects. Features 100% zero-bubble-tight leakage testing per EN 12266-1 Rate A and FBE electrostatic corrosion protection.
| Design & Manufacturing Standard | AWWA C509 / C515 / EN 1074 |
| Face-to-Face Standard | EN 558-1 Series 14/15 |
| Flange Drilling & Standard | EN 1092-2 PN10/PN16 / ANSI B16.1 Class 125/150 / BS4504 |
| Hydrostatic Test Standard | EN 12266-1 Rate A / ISO 5208 Rate A (Zero Bubble-Tight Leakage) |
| Shell Test Pressure | 1.5x PN (e.g. 2.4 MPa for PN16) |
| Seat Test Pressure | 1.1x PN (e.g. 1.76 MPa for PN16) |
| Coating Specification | Fusion Bonded Epoxy (FBE) Thermal Powder ≥ 250 µm (EN 14901 / AWWA C550) |
| Working Temperature Range | -10°C to +120°C |
| Suitable Working Media | Potable Water, Municipal Sewage, HVAC Chilled Water, Neutral Fluids |
