Pontcanna Brassworks
What is included
- ✓Fluid Category 3 and 4 backflow assessment
- ✓Installation of DZR brass double check valves
- ✓Servicing of commercial strainer assemblies
- ✓Pipe manifold pressure drop calculation
- ✓Flanged brass and copper pipe repair
- ✓Written installation and testing compliance documentation
Request an Engineering Visit or Part Inspection
Submit your enquiry below and an engineer will contact you shortly to confirm details.
How We Carry Out Work
- 1Inspect water entry and risk pointsWe trace commercial supply lines to equipment feeds, combi ovens, washing units, and external hose connections.
- 2Isolate pipeline sectionsTargeted valves are closed to work on specific zones without cutting supply to the entire building.
- 3Install verifiable backflow unitsWe replace unserviceable check valves with testable brass double check valve assemblies featuring integrated test ports.
- 4Pressure verify and sign offWe run hydrostatic differential checks, verify spring seating, and issue maintenance documentation for your records.
Why Work With Pontcanna Brassworks
Regulatory water compliance
Ensures commercial premises adhere strictly to the Water Supply (Water Fittings) Regulations 1999.
Prevents cross-contamination
Stops contaminated process fluids or grey water from siphoning back into drinking water distribution lines.
Heavy-duty brass durability
We install commercial-grade brass assemblies built to handle high daily cycle rates and thermal stresses.
Questions about this service
Do you provide written compliance proof for commercial water inspectors?
Yes. We detail the valve specifications, serial codes, location, and test readings on your completion invoice.
Can you carry out this work outside our trading hours?
Yes. We arrange evening or early-morning visits so your commercial operations and water use are not disrupted.
What size commercial pipework do you work on?
We handle standard domestic and light commercial brass and copper systems from 15mm up to 54mm diameter.
What Cardiff Clients Say
Courier handed over the heavy cardboard carton at the porch without any crushed corners.
David P., Cardiff, GBKept in the garage workbench drawer.
Rhys T., Cardiff, GBOur technician fitted the brass manifold under the kitchen sink and tested it immediately. The invoice was settled by direct bank transfer once the pressure gauge showed stable flow. No leaks have appeared across six months of regular use.
Eleri M., Cardiff, GBAll services
Book an Engineer for Your Pipework or Brassware
Send us your fault details or call directly. We review your request and confirm a fixed site arrival window within two business hours.