Siphonic Rainwater Drainage System

Siphonic Rainwater Drainage System

Siphonic Rainwater Drainage System 1 / 2
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Solution Details & Technical Specifications

Siphonic rainwater drainage system operates using negative pressure logic. Unlike conventional gravity systems, siphonic full-bore flow drains water at high velocity without pipe slope, using smaller pipe diameters and significantly fewer roof penetrations.

System Features & Advantages

Negative Pressure Full-Bore Flow
Minimum Roof Penetrations
High-Velocity Drainage Capacity
Reduced Pipework Without Slope

Technical Specifications & Execution Scope

Siphonic Drainage System

Anti-vortex roof outlets ensure 100% full-bore hydraulic water evacuation without air intake.

Zero-Slope Horizontal Lines

Eliminates slope requirements in horizontal collectors, maximizing usable building headroom.

Reduced Diameters & Downpipes

Smaller HDPE pipe dimensions require up to 70% fewer vertical downpipes inside the facility.

Self-Cleaning Flow Action

High velocity discharge automatically prevents sediment accumulation and pipe clogging.

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