Product Subject	XWK-1 TINY HOLE BOARD MUFFLER
Company Name	DINGXING COUNTY HUABEI ENVIRONMENTAL PROTECTION ENGINEERING LTD. CO.
Product Photoes
Quotation
Product Description	1. good sound absorbing ability;      2. low lost pressure;      3. small structure, low weight;      4. oilproof, waterproof, heatproof;      5. no air polltion created;      6. standard accessories.
Product Principle	XWK-1 muffler has double lay tiny hole board structure,which can absorb sound and chang it into heat. Besides, the applicable frequency scope is very large.
Product Principle Chart	image1
Application Scope	aeration systems and air conditioners
Technical Preferences	1. lost insertion:>=10dB/m      2. pressure lost:when speed(4m/s,8m/s) <=12Pa,48Pa      3. allowed speed:<18m/s
Technical Preferences Chart
Technical Flow
Technical Flow Chart
Application	1. Zhongnanhai Telephone Exchange      2. Beijing Mailing & Communicating Institue      3. Purifying Workshop of No.109 Plant under China Science Insti-      tue
Patent Serial Number
Awards	certificated by National Environmental Protection(HR-1998-046)
High-tech Product	No
Country/Territory	China/Hebei/null