Salt Spray Test Chamber
The
walk-in salt spray chamber is designed for surface processing evaluation of various materials including paints, electroplating, inorganic coatings, and anti-rust oils. It tests product corrosion resistance and is widely used in aerospace, automotive electronics, electrical components, mobile devices, plastic products, and metal materials industries.
Equipment Operating Conditions
Environmental Requirements:
- Temperature: 5°C to +28°C
- Humidity: ≤85% RH
- Well-ventilated space (preferably separate room with exhaust fan)
- Wastewater drainage within 1 meter distance
Air Supply:
- Pressure: >0.4MPa
- Rated displacement: >2m³/min
Power Requirements:
- AC380V (±10%)/50Hz
- Three-phase five-wire system
- Pre-installed capacity: ~15kW
- Power cord length: 5 meters
Water Source:
- Nearby tap water for equipment flushing
- Distilled or deionized water available
Key Features
1. Test Chamber Body
Constructed from 80°C-resistant PP plates in a modular design, forming a sealed test space with automatic temperature regulation. The chamber features:
- 110-120° angled top to prevent droplet accumulation on test pieces
- Comprehensive water and fog leakage treatment
- Optimized door design for sample access with excellent insulation and sealing
2. Heating System
Utilizes corrosion-resistant titanium alloy heating tubes for efficient temperature control.
3. Air Supply System
Provides clean, moist hot air through a multi-stage process:
- Air compressor (user-provided) with storage tank
- Two-stage pressure regulation (0.2-0.3MPa → 0.07-0.14MPa)
- Stainless steel air saturator with temperature/humidity control
- Automatic water replenishment system
4. Salt Water Supply System
Features continuous automatic replenishment with:
- PVC containers for corrosion resistance
- Integrated heaters to maintain solution temperature
- Dedicated temperature controllers
5. Spray System
Incorporates advanced Japanese nozzle technology with:
- Baffle atomization for uniform fog distribution
- Collection system to minimize salt water waste
- Optimized pressure and angle for precise droplet formation
6. Drainage & Pressure Balancing
Integrated system for efficient salt solution removal while maintaining chamber pressure equilibrium.
7. Rapid Mist Exhaust
Removes chamber salt fog within 30 minutes post-test for quick access.
8. Control System
7-inch LCD touch screen with programmable controller featuring:
- Two control modes (constant value/program)
- PT100 sensor input
- PID control output (4-20mA)
- 120 program groups (100 segments each)
- Chinese/English interface
- RS232/RS485 communication
Control Parameters:
- Chamber temperature (silicon rubber heaters)
- Saturator temperature
- Salt water temperature
- Spray cycle management
Safety Systems
- Overtemperature protection
- Water shortage alarm
- Power failure alarm
- Door status monitoring
Compliance Standards
GB/T 2423.18-2000, GB/T 6461-2002, GB/T 12967.3-91 CASS, GB/T 5170.8-2008, GB/T 5170.11-2008
GJB 150.11A-2008, GB/T 2423.17-2008, GB/T 10587-2006, GB/T 6461-2002, QB/T 3828-1999
ASTM.B117-2009, JIS H8502, IEC 60068-2-11-1981, IEC 68-2-52 1996, ISO 9227-2006
CNS 8886-2002, CNS 4159, CNS 4158
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