Qingji GCP-527 Plastic Pipe Burst Testing Machine
| Brand | Qingji |
|---|---|
| Origin | Shanghai, China |
| Model | GCP-527 |
| Pressure Range | 0–55 MPa |
| Pressure Resolution | 0.001 MPa |
| Pressure Control Accuracy | ±0.1% of setpoint |
| Temperature Control Range | Ambient to 95 °C |
| Temperature Display Accuracy | ±1 °C |
| Test Duration Range | 0 min to 9999.59 h |
| Time Resolution | 1 s |
| Power Supply (Pressure System) | AC 380 V, 1.5 kW |
| Power Supply (Temperature System) | AC 380 V, 9 kW |
| Compliance | ISO 1167, GB/T 6111 |
Overview
The Qingji GCP-527 Plastic Pipe Burst Testing Machine is a precision-engineered hydrostatic pressure testing system designed for long-term pressure resistance evaluation and instantaneous burst analysis of thermoplastic and composite piping materials. It operates on the principle of controlled internal hydraulic pressurization within a thermostatically regulated bath, enabling standardized assessment of structural integrity under sustained or ramped load conditions. The instrument adheres strictly to ISO 1167 (Plastics pipes and fittings — Determination of resistance to internal pressure) and GB/T 6111 (Test methods for resistance to internal pressure of thermoplastic pipes for liquid transportation), ensuring data traceability and regulatory alignment for quality assurance laboratories, pipe manufacturers, and third-party certification bodies.
Key Features
- Programmable pressure control from 0 to 55 MPa with 0.001 MPa resolution and ±0.1% setpoint accuracy—engineered for high reproducibility across extended test durations.
- Integrated temperature-controlled media bath (ambient to 95 °C) with ±1 °C uniformity, supporting accelerated aging and thermal stress evaluation per ISO 1167-2 Annex B protocols.
- Independent dual-power architecture: dedicated 380 V AC, 1.5 kW drive for high-fidelity pressure generation and 380 V AC, 9 kW heating circuit for rapid thermal stabilization.
- Automated test sequencing with real-time logging of pressure, temperature, and elapsed time—data captured at user-defined intervals and synchronized to ISO-compliant timestamping.
- Modular clamp assembly interface accommodating variable pipe diameters; custom fixtures available upon specification to meet ASTM D1598, EN 921, or client-defined geometry requirements.
- Embedded controller with intuitive touchscreen HMI, supporting multi-step pressure profiles (hold, ramp, cyclic) and automatic termination upon burst detection or timeout.
Sample Compatibility & Compliance
The GCP-527 accommodates rigid and semi-rigid thermoplastic pipes including PVC-U, PE (PE80/PE100), PP-R, ABS, and multilayer composites used in potable water, gas distribution, and industrial fluid conveyance systems. Its mechanical design conforms to the dimensional and sealing requirements outlined in ISO 1167-1 for end-capping and support fixtures. All test reports generated include mandatory metadata fields required by ISO/IEC 17025-accredited laboratories: operator ID, calibration certificate numbers, environmental chamber conditions, and raw sensor trace logs. The system supports audit-ready documentation for GLP/GMP environments through optional PDF report export with digital signature and revision history.
Software & Data Management
Data acquisition and analysis are handled via embedded firmware compliant with ISO/IEC 17025 Clause 7.7 (Control of equipment software). Raw pressure and temperature values are logged at ≥1 Hz sampling rate and stored in non-volatile memory with timestamp granularity of 1 second. Export formats include CSV for statistical process control (SPC) integration and XML for LIMS ingestion. Optional software modules provide Weibull distribution fitting for lifetime prediction, failure mode classification (ductile vs. brittle rupture), and comparative analysis across material batches. Audit trail functionality records all parameter modifications, user logins, and report generation events—fully compatible with FDA 21 CFR Part 11 requirements when paired with enterprise identity management.
Applications
- Validation of pressure class ratings (e.g., PN10, PN16, SDR series) for municipal water supply piping systems.
- Accelerated life testing of PE-RT and PEX-a tubing under elevated temperature-pressure combinations per ASTM F2023.
- Comparative evaluation of creep rupture behavior between virgin and recycled polymer formulations.
- Supporting CE marking submissions under EN 1452-2 (PVC-U) and EN 12201-2 (PE) through standardized test execution and reporting.
- Root cause analysis of field failures by replicating service conditions—including thermal cycling, pressure surges, and static hold periods.
FAQ
Does the GCP-527 support cyclic pressure testing per ISO 13760?
Yes—the embedded controller allows definition of multi-phase sequences including ramp-hold-depressurize cycles with programmable dwell times and pressure amplitudes.
Is calibration certification included with shipment?
Each unit ships with a factory calibration certificate traceable to NIM (National Institute of Metrology, China) for pressure and temperature sensors, valid for 12 months.
Can the system integrate with existing laboratory network infrastructure?
Standard Ethernet (TCP/IP) and RS-485 interfaces enable SCADA-level integration; MODBUS RTU protocol support is provided for PLC synchronization.
What maintenance intervals are recommended for long-term reliability?
Pressure transducer recalibration every 12 months, seal replacement after 500 test cycles, and annual verification of thermal bath uniformity per ISO/IEC 17025 Clause 6.4.6.
Are test fixtures supplied as standard or optional accessories?
Clamp sets are configured per customer-specified pipe OD and wall thickness; base configurations cover 20–160 mm diameter ranges, with extended kits available for large-diameter conduit up to 630 mm.
