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PSZS-3639 Device of noise from building water drainage piping system
[Testing items]
Forthe determination of noise from drainage pipes and toilet flushing.
[Applicable standards]
CJ/T312-2009 Measurement of noisefrom building water drainage piping system
EN 14366 Laboratory measurement of noise from waste waterinstallations
[Features]
Testequipment construction noise from drainage pipeline system has 4 test chambers:2 emission chamber and 2 indirect collection chamber. For cast iron drainagepipe, mute drainpipe, mute the toilet wastewater discharge device for noise test.4 test chamber adopts real housing structure. That is, internal and externalwall is used 240 civil sound insulation wall thickness. Mainly by the watersystem, acoustic system test equipment construction noise drainage pipelinesystem, suspension vibration isolation system, control system. The equipmentfor my unit domestic initiative, and identified by experts reached theinternational advanced level.
[Technical parameters]
Backgroundnoise:
Underthe condition of normal operation and the factory normal production of thecompany (≤75 dB), less than 25.0 dB (A).
Voiceroom Background noise is lower than 25 dB (A)
Thesound room Background noise is lower than 25 dB (A)
Anechoicchamber free field precision and scope:
Tworooms form may not be the same;Other acoustic indexes[ such as reverberationtime and sound insulation quantity ] see standard ofGB/T19889.1-2006 requirements.
Waterflow control range 0.5 L/S- 8 L/S
Weight:8 tons (not including civil engineering).
Package and shipment
CERTIFICATION
OUR CIVIL AND INTERNATIONAL CUSTOMERS :
Cooperated with China Academy of Launch Vehicle Technology (CALT):
PRIZED IN OUR GOV. ORGANIZATION:
IN THE EXHIBITION:
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