QZ-RO250 and QZ-RO500
The confirmed standard scope includes pretreatment and the RO unit. It excludes a raw-water pump, tanks and a supply pump. Review the mains-water inlet conditions when planning the connection.
RO equipment procurement
RO System Acceptance: Test Records and Delivery Checklist
Know what was tested, under which conditions, and what still needs to be checked at your site.
A flow reading or a conductivity photograph needs context. Match the test conditions, measurement points and equipment list to the system you are buying. Factory checks and acceptance after installation address different parts of the project.
1. Agree where and under which conditions to check performance
Explain the production use, source water, required water quality, water demand and available electrical supply before the test is planned. Identify which checks belong at the RO outlet and which require the installed tanks, distribution pipework and production use points.
For a nominal 500 L/h system, ask which feedwater and operating conditions that output refers to. Nominal hourly production, an instantaneous meter reading and the usable water available over a production day are different measures.
Review hourly production, daily output and storage planning →
2. Keep test conditions alongside the operating readings
Ask the supplier which records will be provided for your equipment. Identify the water stream, measurement location and units, rather than comparing isolated readings.
- Equipment and test identificationWhich system was tested, on what date, and which configuration does the record describe? A demonstration using another model is not a record for the equipment being delivered.
- Feedwater and temperatureRecord the test water source and relevant conditions. If the test water differs from the water at your factory, agree how that difference will be reviewed.
- Flow and pressureIdentify the stream and stage for each relevant reading. In a two-pass RO system, first-pass and second-pass flows are in series; adding them does not give final product-water output.
- Water-quality measurementsDistinguish source water, pretreated feed and product water. Identify the measurement point, units and any stated temperature or meter-compensation conditions.
- Photographs and supporting informationMake sure the meter shown can be connected to the named equipment and water stream. A single outlet reading does not establish every production-water requirement.
The checks, methods and acceptance targets need to be agreed for the equipment and site. This checklist does not set a universal water-quality limit or replace the project test specification.
3. Match the delivery list to the equipment you will receive
Check pretreatment, RO equipment, pumps, instruments, electrical controls, tanks and distribution equipment individually. Mark what is included, what the site will provide and what remains to be confirmed.
QZ-RO1000
The confirmed standard scope includes a raw-water pump, pretreatment and the RO unit. It excludes tanks and a supply pump. Storage and downstream supply requirements still need review.
Compare model, quantity, electrical supply and component information with the agreed list. Confirm completed pipework, site connection points, equipment documents, agreed spares, packing and the list used to check the shipment on receipt.
4. Separate factory checks from installation and site acceptance
Transport, installation, site water, electrical connections, storage and distribution all affect how a system is put into service. Agree who prepares each interface, who installs and commissions the equipment, which records are needed, and how any differences will be followed up.
Client installation in Senegal
In Qingze’s aluminium-factory project, the client completed installation with Qingze’s installation support and operator training. The project shows why site responsibilities need to be explicit.
Site installation in Hubei
The Hubei two-pass RO and EDI project included site installation, commissioning and training. That scope belongs to that project; it does not mean every equipment supply includes the same services.
Keep required values, factory test records and site acceptance results distinct. If a site check has not been completed, mark it as pending instead of presenting the target as a measured result.
Five questions to ask before the equipment is shipped
- Which feedwater conditions and production requirements is this system designed around?
- Where, and under which conditions, will our required quality and flow be checked?
- Which test records and documents will identify the equipment being delivered?
- Who provides the site tanks, pumps, pipework and electrical interfaces?
- Who is responsible for installation, commissioning and site acceptance, and how will differences be followed up?
Send the water report, site information or proposed equipment list you already have. If these are incomplete, start with the known application, water source, location and approximate demand.