Heart & Industry

Home · Freeflush

SuDS drainage Variable Orifice Choke Drain Chamber

SuDS drainage Variable Orifice Choke Drain Chamber

Freeflush

£599

Price read from Freeflush on 2026-10-15. Check before buying.

Orifice Flow Control is a form of flow control used commonly in SuDS applications. Orifice flow control chambers are used at the most downstream point of a SuDS drainage system to throttle the flow. Where an orifice is less than 40mm it is typical to use silt and debris control upstream of the SuDS feature to prevent blockage. Features and benefits: Choke drain shaft with external access Volume flow adjustable from 0.5 litres to 10 litres per second Stainless Steel choke drain fabrication Optional Accessories Rainus downpipe leaf ejector Silt Guard order no. Length (mm) Width (mm) Height (mm)

Freeflush's own words, read from their page.

Buy from FreeflushPrice seen 2026-10-15. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.