LFY-716 Exhalation Valve Air Tightness Tester

Main purpose

The airtightness test of the exhalation valve for self-suction filtering particulate respirators. Complies with the test standard GB 2626-2006 "Respiratory Protective Equipment - Self-Suction Filtering Anti-Particulate Respirators". Applicable to labor safety protection inspection centers, occupational safety inspection centers, disease prevention and control centers, respirator manufacturing enterprises, etc. 
Technical indicators

1. Air source: Vacuum pump; 
2. Constant volume chamber: Volume (150 ± 10) mL; 
3. Gas flowmeter: Range (0 - 1000) mL/min; 
4. Manometer: Measuring range: ±1000 Pa; 
5. Timer: 0 - 99.99 seconds per minute/hour, adjustable as needed; 
6. Power Supply: 220V, 50Hz. 
7. The vacuum pump's air suction rate is 2 liters per minute. 
Applicable Standards 
GB 2626-2006 Respiratory Protective Equipment - Self-Contained Filtering Respirator for Particulate Matter