Transcription of APPROVED BY Flexible Duct Connector
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NeopreneR4462-40 F. to 200 cycles59512/12500/450 Woven FiberglassNeopreneGeneral PurposeMFN333 (#10003)MF6N363 (#10012)MFN444 (#10211)MFN464 (#10246)Submittal FormDDFDCF lexible Duct Connector RELATED NFPA 90A & 90B Vibration isolation connectors in duct systems shall be made of an APPROVED flame-retardant fabric or shall consist of sleeve joints with packing of APPROVED material, each having a maximum flame spread index of 25 and a maximum smoke developed index of 50. Exception: APPROVED flame-retardant fabric having a maximum length of 10 in. ( cm) in the direction of airflow-NFPA No. 90A Exception No.
SUGGESTED SPECIFICATION Vibration Isolating Flexible Duct Connector For Heating, Cooling & Exhaust Supplies & Returns. R All Metal-Fab, Super Metal-Fab and TDC/TDF Flexible Duct Connectors are manufactured with 24 gauge galvanized steel. Duro Dyne meets or exceeds the SMACNA steel requirements for flexible duct connector.
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