DIN2501 PN16 Hot Dip Galvanized Blind Flange is German standard S235JR carbon steel galvanized solid blank flange, customized for European building fire sprinkler, outdoor buried water supply, municipal renovation pipe end isolation. Adopt high-temperature hot dip galvanizing whole-surface anti-rust treatment, average zinc layer thickness 85μm, covering disc surface, bolt hole inner wall full coverage, solving outdoor buried pipeline blind flange rust, thread locking failure common problems.
PN16 1.6MPa pressure meets EU municipal fire water pipeline load standard. Thickened solid disc anti-deformation performance adapts soil extrusion stress during buried backfill construction. Standard RF raised face fits EU fireproof rubber gasket, stable fire water sealing for outdoor exposed and buried piping. Shot blasting pretreatment before galvanizing enhances zinc layer adhesion, anti-peeling, anti-scaling for long-term outdoor buried service.
Full DIN standard bolt hole layout, 1:1 interchangeable with old European DIN fire piping fittings. DN15-DN700 DIN full size in stock for EU bulk project delivery. Pure bolted assembly, no on-site welding needed, lowering site construction fire risk for fire pipeline projects. Widely used for European residential fire pipe end closure, park outdoor water pipe blanking, municipal buried standby pipe isolation. Fumigated wooden export packing, 15-month galvanized anti-rust warranty, batch preferential price for EU engineering contractors.
Core Spec: Standard: DIN2501; Pressure: PN16; Face: RF; Material: S235JR EU Carbon Steel; Zinc Layer: 85μm Hot Dip Galvanized; Size: DN15-DN700
FAQ: Q: Suitable for buried underground installation? A: Yes, full hot dip galvanized anti-corrosion adapts long-term buried working condition.
