Masks Air tightness tester

GB 2626-2006 Respiratory protective equipment Non-powered air-purifying particle respirator

GB 2890-2009 Respiratory protection-Non-powered air-purifying respirators

Purpose:Take the exhalation valve installation on the suitable fixture , then will take the fixture inner change to negative pressure state, monitor the whole fixture device recover to normal pressure time , to determine exhalation valve’s air tightness

Technical parameter:

1.2 Flow meter range:0 ～ 800mL/min

1.3 Micro manometer range:0 ～ 2000Pa

1.4 Time accurate:0.1s

1.5 exhale valve with constant cavity should tightness , with horizontal vertical, valve sheet shouldn’t suffer the force deformation

2.1 pressure gauge range:0 ～ 0.1MPa

2.2 Airway inner pressure value within 15s haven’t change

2.3 Airway length 50~100cm

3.1 Constant cavity size:150±10mL

3.2 Micro manometer range:0 ～ 2000 Pa

3.3 Flow meter range: ： 0 ～ 1000mL/min

3.4 Flow meter accurate:3%

3.5 Timer accurate:0.1s

3.6 Sucker pump speed rate:2L/min

3.7 Can satisfy 6.14 section air tightness testing

PLC control