DIREXIONAL ZMU pipes DN350 to 600 with UNIVERSAL STANDARD socket + Weld bead Ve

• DN: nominal diameter

• Lu: laying length, in m

• Class: pressure class according to EN 545 and ISO 2531

• e: nominal thickness according to ISO 2531, in mm

• e1: external thickness of ZMU coating, in mm (cement mortar with acrylic fibers and resin) according to EN15542

• ØDE: external nominal diameter of the barrel according to EN 545 and ISO 2531, in mm

• ØDI: internal nominal diameter of the socket, in mm

• P: nominal depth of the socket, in mm

• ØB: nominal diameter of the socket, in mm

• c: weld bead position, in mm

• Mass: total mass per meter (including cement coating and socket), determined with the nominal thickness, in kg/m

• Reference: commercial reference Saint-Gobain PAM

• For drinking water networks

• High durability

• Total compatibility with drinking water

• For most of the soils, including rocky soils, those pipes can be laid with the native soils backfill.

• Resistivity of the soils > 250 Ohm.cm

• Joint protection with elastomer sleeve and HDD metal cone

• Adapted to the trenchless pipe laying in rocky soils (horizontal directional drilling and pipe bursting)

• Elastomer quality: EPDM

• External coating: a layer of zinc-aluminium 85/15 alloy, enriched with copper, with a minimum surface density of 400g/m², applied by spraying molten metal onto the surface of the iron, using an electric arc spray gun, from ZnAl (Cu) alloy wire + a protective layer of Aquacoat (semi-permeable), a water-based blue acrylic of average thickness 80 microns applied using a spray gun + cement mortar ZMU with polymeric additiv and reinforced with PE fibers

• Internal coating in cement mortar CHF (thickness 5mm)

• ZMU pipes in accordance with EN 545

• ZMU coating according to EN 15542

Ductile iron pipes with internal coating of sulphate resisting blast furnace cement mortar are adapted to convey all types of drinking water in conformity with Directive EU 2020/2184.

In case of other type of water, please refer to below information:

Blast furnace cement mortar is a sulphate resisting cement (SRC).