overflow drain SuperDrain 62 DallBit, DN 70

conforming to DIN EN 1253
for use with a calculated siphonic roof drainage system, with factory-fitted collar of 5.0 mm modified bitumen membrane, 500 x 500 mm, welded to the flange and clamped with a stainless steel clamp ring

specification:
- SuperDrain-insert
- insulated drain body
- outlet vertical
- overflow upstand height adjustable 28 - 68 mm
- domed grate, secured

material:
polypropylene, UV-stabilized