20L Spherical Explosion Tester
The ECD-20AE is a professional instrument for determining the maximum explosion pressure maximum rate of explosion pressure rise, and explosion index of dust clouds under specific test conditions. Suitable for assessing dust explosivity in production sites of aluminum powder, zinc powder, plastic powders, and organic synthetic pharmaceutical intermediates, it accurately measures parameters like maximum explosion pressure, maximum rate of explosion pressure rise, explosion index, lower explosion limit, and limiting oxygen concentration.
Test Parameters
Maximum Explosive Pressure, Maximum Explosive Pressure Rate of Rise, Explosive Index
Applicable Fields
Combustible Dust
Features
Specifications
Applications
Videos
Download
Q&A
Features
Capable of testing the explosion parameters of dusts, gases, and hybrid solid/gas systems.
Features built-in international standard test methods. Tests can be executed using standard or user-defined parameters.
Equipped with both chemical and electrostatic ignition to suit different testing purposes.
Explosion vessel with a water-circulating jacket to maintain a constant test environment temperature.
The system automatically performs purging, evacuation, and gas mixture preparation after the target concentration value is entered.
Dust dispersing device capable of completely and uniformly dispersing the dust into the explosion vessel.
Experiments are performed automatically without human intervention.
Real-time display of time and pressure data for an intuitive view of the testing process.
Test results include time-pressure curves, providing detailed explosion information.
Remote operation capability ensures the safety of personnel.
Computer-controlled operation with powerful data analysis capabilities for accurate interpretation of curve characteristics.
Standard: ASTM E1226, ASTM E1515, EN 14034-1, EN 14034-2, EN 14034-3, EN 14034-4, GB/T 16425, GB/T 16426, GB/T 803, ISO/IEC 6184/1, ISO/IEC 6184/2, ISO/IEC 80079-20-2
Specifications
| Operating environment | 5–45 °C, <85% RH |
| Explosion vessel | 20 L sphere with jacket |
| Vessel pressure rating | Design pressure 3.0 MPa @ 25 °C |
| Sphere material | 316 stainless steel |
| Sphere operating temperature | Max. 220 °C |
| Sphere volume | 20 L |
| Jacket volume | 1.5 L |
| Diffusion pressure sensor | Range 0–3.5 MPa, overload 10.5 MPa; accuracy ±0.1% FS; operating temperature −40 to 105 °C |
| Gas mixing pressure sensor | Range 0–200 kPa, overload 600 kPa; accuracy ±0.1% FS; operating temperature −40 to 105 °C |
| Explosion pressure measurement | Range 0–10.0 MPa; resolution 0.001 MPa; accuracy ±0.5% FS; response time <20 µs |
| Explosion pressure channels | 2 |
| Explosion temperature sensor | Range 0–1000 °C; resolution 0.01 °C |
| Dust dispersion vessel | Volume 0.6 L; pressure rating 2.5 MPa |
| Dust injection pressure | 2.0 MPa |
| Nozzle type | Rebound nozzle |
| Dust dispersion delay | 30–50 ms |
| Ignition methods | Chemical ignition (customer-supplied); electrostatic ignition 15 kV, 0.5 s |
| Ignition delay | 60 ms |
| Explosion pressure data acquisition | Max. sampling rate 100 ks/s; recording time 1 s |
| Ignition control | Supports remote wireless ignition |
| Automatic gas mixing | 2 gas inlets + 1 air inlet; partial-pressure mixing method; independent pressure sensors and solenoid valves; mixing accuracy ±0.1% |
| Vacuum system | Rotary vane vacuum pump with dual-layer impact-resistant filters to prevent blockage and contamination; easy replacement |
| Clamp ring diameter | 95 mm |
| Cleaning port diameter | 150 mm |
| Observation window | Armored glass, 40 mm diameter |
| Interface | RJ45 |
| Power supply | 90–260 VAC / 47–63 Hz |
| Power | 600 W |
| Dimensions | 700 mm × 540 mm × 1210 mm |
Applications
No information!
Videos
No information!
Download
No information!
