air duct fabric expansion joints provide many benefits when compared against traditional methods used in HVAC systems including improved sound absorption capabilities at lower costs than metallic counterparts whilst also offering greater durability through its flexible nature - all factors combined make it an attractive choice amongst industry professionals looking for reliable solutions without breaking budgets too soon!The use of air duct fabric expansion joints is becoming increasingly common in a variety of HVAC systems.  This type of joint provides an effective way to reduce vibration and noise while also helping to ensure the longevity and effectiveness of the system as a whole.  In this essay, we will explore how air duct fabric expansion joints work, their advantages over traditional metal joints, and why they are becoming increasingly popular in today's industry. XB Air Duct Fabric Expansion Joint(Rectangle) owns excellent sound absorption and noise reduction function, it can remit pipeline error and noise which caused by draught fan vibration, and well compensated pipeline vibration which caused by air duct draught fan, also excellent protective effect on tired-resistance of pipeline.

Name of product	Air flue gas duct compensator square metal flange fabric expansion joint
Size	DN700x500-DN2000x1000
Temperature	-70℃~350℃
Material of body	Fabric fiber
Material of flange	SS304,SS316,carbon steel, ductile iron,etc
Standard of flange	DIN, BS, ANSI, JIS,,etc.
Applicable medium	hot air, smoke, dust, etc.
Application areas	industry, chemical industry, liquefaction, petroleum, ship, etc.

No.	Temperature Grade	Category	Connecting pipe，flange	Draft tube material
1	T≤350°	I	Q235A	Q235A
2	350°＜T＜650°	II	Q235，16Mn	16Mn
3	650°＜T＜1200°	III	16Mn	16Mn