40mm siphonic roof drain for single ply membranes

BLÜCHER®'s 40mm vacuum roof drain is used for siphonic applications, and has a clamping flange for use with single ply membranes. It is a vertical 40mm diameter outlet. Material: stainless steel grade AISI 304 (EN 1.4301) Weight: 2.90kg (502mm spigot) and 3.09 kg (702mm spigot) The following products can be used with the drain: Lower part type no