HDPE Butt Fusion H-Type Tube for Siphonic Drainage

Hot Product
An H-type connecting tube manufactured from high-density polyethylene, used to connect drainage stacks and vent pipes in drainage systems.
  • Diameter Range: DN 50 – 315 mm
  • Applicable Standards: ISO 8770, EN 1519-1
  • Stock Availability: In stock
  • Sample Policy: Free sample available
  • Lead Time: 5–30 days

Need help? Contact our technical support team

+86 1551559 6408

The HDPE Butt Fusion H-Type Tube for Siphonic Drainage is a blow-molded connecting tube with butt fusion ports, designed to balance air pressure between drainage stacks and vent pipes.

HDPE Butt Fusion H-Type Tube for Siphonic Drainage
Article d1/d2 K k1 k2 k3 k4 e H
H pipe H pipe

H pipe
H pipe 110*110 316.0 115.0 5.0

Key Features of HDPE Butt Fusion H-Type Tube for Siphonic Drainage

  • H-type structure creates an air circulation path to balance pressure.
  • Blow molded construction gives uniform wall thickness and high strength.
  • Butt fusion joints on all ports provide permanent pipe connections.
  • Lightweight design facilitates overhead installation.
  • Pressure balancing function protects water seals.

Manufacturing Process of HDPE Butt Fusion H-Type Tube for Siphonic Drainage

Each is manufactured via blow molding, with port ends subsequently machined flat.

Critical Process Parameters of HDPE Butt Fusion H-Type Tube for Siphonic Drainage

  • Control of blow pressure and cooling time for uniform wall thickness
  • Control of center distance and parallelism between ports
  • Machining flatness of port end faces

Raw Material Characteristics of HDPE Butt Fusion H-Type Tube for Siphonic Drainage

  • HDPE material with excellent impact and chemical resistance
  • The fitting Complies with ISO 8770 and EN 1519-1

Typical Applications of HDPE Butt Fusion H-Type Tube for Siphonic Drainage

  • is used for connection between drainage stacks and vent pipes in high-rise buildings.
  • serves alternate floor vent connections in dual-stack drainage systems.
  • is installed at drainage nodes requiring air pressure balancing.
  • is used for pressure equalization in large commercial building drainage.

Application Scenarios of HDPE Butt Fusion H-Type Tube for Siphonic Drainage

  • Dual-stack drainage systems and alternate floor venting — is the standard fitting for these pressure-balancing connections.
Request Quote

Related Products

You might also be interested in these products