HDPE Butt Fusion Siphon Roof Drain Rainwater Hopper for Siphonic Drainage

Key Features of HDPE Butt Fusion Siphon Roof Drain Rainwater Hopper for Siphonic Drainage

• Anti-vortex device prevents air-entraining vortices for full-bore siphonic flow.
• High-efficiency drainage exceeds gravity hoppers of the same diameter.
• Butt fusion connection fuses permanently with HDPE pipe.
• Low maintenance with no moving parts.
• Optimized flow path maximizes flow efficiency.

Manufacturing Process of HDPE Butt Fusion Siphon Roof Drain Rainwater Hopper for Siphonic Drainage

Each is precision injection molded with hopper body, flow guide, and grille cover assembled separately.

Critical Process Parameters of HDPE Butt Fusion Siphon Roof Drain Rainwater Hopper for Siphonic Drainage

• Shape and positional accuracy of flow guide
• Coaxiality of outlet and hopper body
• Flow area meets design discharge requirements

Raw Material Characteristics of HDPE Butt Fusion Siphon Roof Drain Rainwater Hopper for Siphonic Drainage

• HDPE material, UV and corrosion resistant
• The fitting Complies with ISO 8770, EN 1519-1, CJ/T 245, AHRI 1060

Typical Applications of HDPE Butt Fusion Siphon Roof Drain Rainwater Hopper for Siphonic Drainage

• is used for siphonic roof drainage in large commercial buildings, airports, and exhibition halls.
• serves industrial plant roof rainwater discharge.
• is installed in large-span building roofs such as stadiums and high-speed rail stations.
• is used in roof systems with extremely high drainage efficiency requirements.

Application Scenarios of HDPE Butt Fusion Siphon Roof Drain Rainwater Hopper for Siphonic Drainage

• Siphonic drainage systems in large public buildings and transportation hubs — is the standard hopper for these applications.