China Pre-Insulated Pipe Fitting for Directly Buried Hot Water Newworks, Find details about China Anti-Corrosion Pipe, Insulation from Pre-Insulated Pipe Fitting for Directly Buried Hot Water Newworks
DN (mm) | FBE (μm) |
100~500 | >350 |
550~750 | >400 |
≥800 | >450 |
N.B (mm) | Epoxy powder coating (μm) | Adhesive(μm) | Min wall thickness of anticorrosive coating (mm) | ||
two layer | three layer | usual grade | strengthen grade | ||
≤100 | ≥80 | 200-400 | 170-250 | 1.8 | 2.5 |
100 | ≥80 | 200-400 | 170-250 | 2.0 | 2.7 |
250 | ≥80 | 200-400 | 170-250 | 2.2 | 2.9 |
500 | ≥80 | 200-400 | 170-250 | 2.5 | 3.2 |
DN≥800 | ≥80 | 200-400 | 170-250 | 3.0 | 3.7 |