Exhalation Valve Air Leakproofness Tester GT-RA12-2
GB 19083, GB 2626, GB/T 32610, EN 149, NIOSH - 42 CFR Part 84
1. Specialized air leakproofness time test device, solving the problem of time inaccuracies by using a stopwatch to test. 2. Exhalation valve Air Leak Proofness Tester High precision imported pressure difference gauge. 3. Convenient and efficient pressure adjusting device.