Staro threaded ES-V is a very heavy galvanized steel pipe made of rolled mild steel with a zinc coating in accordance with EN ISO 1461, in 3m lengths, with a thread on both sides and a screwed-on socket on one side (SM-EV). This steel pipe is used for extreme mechanical requirements and fixed connections, as well as for outdoor installation. The advantages are the very high pressure resistance, temperature resistance and corrosion protection. This product is suitable for laying cables with functional integrity (E30/ E60/ E90) and has been tested in the system.0605 DIN EN 61386-21 Classification: 55571 Minimum compressive strength: 4000N/5cm