RPZ Valve Testing in Hull
Professional RPZ valve testing and backflow prevention for commercial properties in Hull and the surrounding Yorkshire area.
RPZ testing services in Hull
Hull's port and food‑processing industries mean many premises depend on RPZ valves to keep mains water safe from contamination.
Portside food businesses are frequent candidates for RPZ testing.
We test reduced pressure zone valves to confirm both check valves and the relief valve are operating within the required parameters, and we provide compliant documentation for your records. Testing is generally carried out annually, though the exact obligation depends on the installation, your water supplier and the relevant requirements that apply.
Typical Hull commercial properties we test
The testing process
- 1
We isolate the valve and connect calibrated test equipment.
- 2
Both check valves are tested for tightness and correct pressure.
- 3
The relief valve is tested for correct opening pressure.
- 4
We record results and provide compliant documentation.
- 5
If anything fails, we quote for the service or repair and re-test.
Why use Captain Backflow in Hull?
Specialist focus on RPZ and water compliance
Compliant documentation for every valve
Coverage across Yorkshire
Advice on the correct protection for your risk
