HDPE Butt Fusion 90° Elbow for Siphonic Drainage

Key Features

• Standard 90° Turn: Suitable for typical nodes such as vertical-to-horizontal transitions and corner turns.
• Butt Fusion Joints: Flat end faces allow homogeneous fusion with pipes, creating a monolithic joint with no leakage risk.
• Long Radius Design: Typical bend radius of 1.5D-3D reduces local pressure drop caused by centrifugal force.
• High Strength: Injection molded with uniform wall thickness; resists deformation under negative pressure.

Production Technology

• Injection molded with mold design ensuring uniform wall thickness

Critical Process Parameters

• Control of wall thinning in the bend area (≤10%)
• Angle accuracy: 90° ± 1° between end centerlines

Typical Applications

• Horizontal directional change at the top or bottom of vertical stacks
• Transition from roof outlet directly below to horizontal suspended pipe
• Directional changes to route piping around structural obstacles

Application Scenarios

• All 90° directional change nodes in siphonic drainage piping
• High-rise residential and commercial buildings
• Industrial drainage systems