Locks into duct with a turn of the wing-nut handle, compressing both rubber rings for a better seal. Also helps to align the seal off during insertion. 15 psi (1 bar) maximum. *Order Seal Off Body Control Valve and Seal-Off Heads separately.
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Unit of Measure
Items
Individual Double Seal-Offs

Individual Double Seal-Offs
Individual Double Seal-Offs

Individual Double Seal-Offs
Individual Double Seal-Offs

Individual Double Seal-Offs
Individual Double Seal-Offs

Individual Double Seal-Offs
Individual Double Seal-Offs

Individual Double Seal-Offs
Description N/A 2" Quick Double Seal-Off N/A 2-1/2" Quick Double Seal-Off N/A 3" Quick Double Seal-Off N/A 3-1/2" Quick Double Seal-Off N/A 4" Quick Double Seal-Off
Nom. Duct Size (in.) N/A 2 N/A 2-1/2 N/A 3 N/A 3-1/2 N/A 4
Nom. Duct Size (mm) N/A 51 N/A 63 N/A 76 N/A 89 N/A 102
Duct I.D. Range (in.) N/A 1.93 to 2.36 N/A 2.40 to 2.76 N/A 2.87 to 3.31 N/A 3.50 to 3.75 N/A 3.54 to 4.25
Duct I.D. Range (mm) N/A 49 to 60 N/A 61 to 70 N/A 73 to 84 N/A 89 to 95 N/A 90 to 108