SUNS DV-FCF Filter Cartridge Functional Tester
| Brand | SUNS |
|---|---|
| Origin | Shenzhen, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | DV-FCF |
| Pricing | Available Upon Request |
Overview
The SUNS DV-FCF Filter Cartridge Functional Tester is an engineered benchtop instrumentation system designed for comprehensive functional verification of residential and commercial water purifier filter cartridges—particularly those used in reverse osmosis (RO), ultrafiltration (UF), and composite membrane systems. It operates on principles of controlled pneumatic pressure application, differential leak detection, and timed flow-path validation to assess mechanical integrity, valve sequencing, and membrane-level functional performance. Unlike generic pressure decay testers, the DV-FCF integrates multi-stage actuation logic to simulate real-world operational sequences—including feed water inlet pressurization, waste water discharge timing, and permeate backpressure modulation—enabling objective pass/fail evaluation aligned with OEM design specifications and national product safety standards (e.g., GB/T 30307–2013, QB/T 4144–2010).
Key Features
- Multi-point pneumatic sealing verification: Simultaneous assessment of housing O-ring integrity, end-cap compression fit, and membrane element axial seating via calibrated pressure hold (0–1.2 MPa range, ±0.5% FS accuracy).
- Dual-path directional valve testing: Independent actuation and leakage quantification for both raw-water check valves and wastewater one-way valves under dynamic pressure ramping (0.1–0.8 MPa, 0.05 MPa/s ramp rate).
- Integrated RO functional simulation: Programmable feed-pressure ramping coupled with permeate-side backpressure control to verify rejection onset, flux stability, and pressure-dependent cutoff behavior without requiring external water supply.
- Automated sequence logic engine: Predefined test protocols (e.g., “Seal-then-Valve-then-RO”) execute unattended, with real-time status logging and failure mode tagging (e.g., “Waste Valve Leak > 0.02 mL/min at 0.6 MPa”).
- Rugged industrial architecture: Stainless steel manifold, solenoid valves rated for ≥1 million cycles, and IP54-rated enclosure suitable for QC lab or production line deployment.
Sample Compatibility & Compliance
The DV-FCF accommodates standard filter cartridge formats including 10-inch and 20-inch cylindrical housings (diameters 63–115 mm), pleated PP, activated carbon block, and thin-film composite (TFC) RO elements. Adapters support quick-change mounting for 1/4″, 3/8″, and 1/2″ push-fit and threaded inlet/outlet configurations. All test methodologies comply with core requirements of China’s National Standard GB/T 30307–2013 (“General Technical Requirements for Household Water Purifiers”) and QB/T 4144–2010 (“Test Methods for Performance of Household Water Purifier Filters”). Traceable calibration certificates are provided per ISO/IEC 17025–accredited procedures, and audit logs meet GLP documentation requirements for factory QA departments.
Software & Data Management
The embedded Windows-based control interface supports protocol configuration, real-time pressure/flow waveform visualization, and automated report generation in PDF and CSV formats. Each test record includes timestamped operator ID, environmental temperature/humidity metadata, and digital signatures compliant with FDA 21 CFR Part 11 Annex 11 principles. Data export enables integration with enterprise MES platforms (e.g., Siemens Opcenter, Rockwell FactoryTalk) via OPC UA or Modbus TCP. Audit trails retain full history of parameter edits, test executions, and calibration events for ≥10 years—supporting internal quality audits and third-party certification reviews.
Applications
- Final functional screening of assembled filter cartridges prior to packaging and shipment.
- Root cause analysis of field failures related to seal degradation, valve sticking, or membrane delamination.
- Design validation during new filter development, including comparative testing across substrate materials and bonding methods.
- Supplier qualification audits where objective, repeatable functional data replaces subjective manual checks.
- Regulatory submission support for CCC, NSF/ANSI 58, and CE marking applications requiring documented functional test evidence.
FAQ
Does the DV-FCF require connection to a municipal water supply or compressed air source?
No—it integrates a built-in oil-free diaphragm compressor and precision pressure regulators; only standard 220 V AC power is required.
Can test protocols be customized for proprietary filter designs?
Yes—users may define custom pressure profiles, dwell times, and pass/fail thresholds via the GUI; all protocols are saved as encrypted .prf files.
Is the system compatible with ISO/IEC 17025 accredited calibration services?
Yes—SUNS provides optional annual calibration with NIST-traceable pressure transducers and flow sensors, including full uncertainty budgets per ISO/IEC 17025 Clause 6.5.
What maintenance is required for long-term reliability?
Quarterly replacement of inline particulate filters and annual inspection of solenoid valve seals; no user-serviceable electronics or pneumatics beyond that.
How does the DV-FCF handle false positives from ambient temperature drift during extended seal tests?
It applies real-time temperature-compensated pressure decay algorithms per ASTM E2877–13 Annex A1, automatically correcting for thermal expansion effects in the test circuit.
