Hargreaves Halifax HD4050 100mm Cast Iron Grey P Trap with Bottom Access
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Call for Availability100mm P trap with a bottom access door, holding a water seal while allowing the trap itself to be cleared without dismantling it.
- Function - P trap providing a water seal to prevent foul air entering the building.
- Access - Bottom door allows the trap to be cleared of a blockage without dismantling it from the run.
- Diameter - 100mm nominal bore, matching the Halifax Drain range.
- Material - Manufactured in grey cast iron to BS EN 877, with an average external epoxy coating of at least 150 microns.
The Halifax HD4050 is drawn from the Halifax Drain range: a 100mm P trap with a bottom access door, combining a water seal with a way to clear the trap itself without removing it from the pipe run.
Water seal
Building Regulations 2010 Approved Document H requires every trap in a drainage system to maintain a water seal of at least 25mm. The HD4050's geometry is designed to hold this seal in normal use, and the bottom access door gives a direct way to clear a blockage without unbolting the trap from the couplings either side.
Construction
- Material - Manufactured in grey cast iron to BS EN 877, with an average external epoxy coating of at least 150 microns.
Service life
Correctly installed and maintained, cast iron drainage of this kind can remain in service for more than 100 years, and is fully recyclable without any loss of its original properties at the end of that life.
Full dimensions are set out in the manufacturer's Halifax Technical Guide.