Althon PTK-P Pipe Mounted HDPE Flap Valves are made from high-density polyethylene and designed for mounting directly onto pipework above or below the waterline. Suitable for water pressures up to 5 MWC for 72 hours and 1 MWC for 50 years, valves are lightweight, easy to install, and available for pipe sizes from 110mm to 630mm, with larger sizes on request.

  • Pipe-mounted HDPE flap valve for flow control and flood prevention

  • Made from HDPE with optional stainless steel reinforcement

  • 10 degree hanging angle for a watertight seal

  • 10mm opening pressure when submerged

  • Lightweight and simple to handle

  • Operational life of 50 years

  • Adaptable to site-specific pressure or installation needs

Applications

  • Surface water drainage systems

  • Flood prevention in outfall structures

  • Watercourse and river discharge points

  • Industrial and municipal pipework

  • Stormwater management

  • Infrastructure and civil engineering projects

Performance

  • Withstands 5 MWC for 72 hours

  • Withstands 1 MWC for 50 years

  • 10mm opening pressure when submerged

  • 50 years operational life

Materials

  • HDPE with HDPE ribs

  • Stainless steel reinforcement available

Options and variations

  • Pipe sizes from 100mm to 630mm

  • Larger sizes available on request

Installation

  • Mounted to pipework using a coupling

  • Lightweight for easy handling and installation