(19) End caps enable users to close-off taps for future use.
Now available in Galvanized, Aluminum, Stainless and Stainless+ with optional no. 4 finish.
Availble for 3" to 24" Diameter Ducting.
ORDERING NOTES: Unless specified, 3" through 24" is QF. Over 24" is flanged. Data subject to change without notice. Stainless steel components requiring flanges will be supplied with stainless steel flanges unless otherwise specified. For special parts or items to be custom manufactured, contact us for quotation.
(19) Now available in Galvanized, Aluminum, and Stainless with optional no. 4 finish.
End cap with bird screen, 1/2" galvanized wire mesh.
Available for 3" to 24" Diameter Ducting.
ORDERING NOTES: Unless specified, 3" through 24" is QF. Over 24" is flanged. Data subject to change without notice. Stainless steel components requiring flanges will be supplied with stainless steel flanges unless otherwise specified. For special parts or items to be custom manufactured, contact us for quotation.
(13) General purpose oil resistant polymer leak-free molded gaskets. Performs well in many oil, water and hydraulic fluids.
Should not be used with solvents such as acetone. MEK, ozone, chlorine hydrocarbons, and nitro hydrocarbons.
Temperature range - 30° Fahrenheit to + 225° Fahrenheit
(19) Now available in galvanized, aluminum, and stainless with optional no. 4 finish
•Laser Welded Seam
Rolled Ends 3" is 39 inches in length and has the lock form seam construction.
4"-24" are approximately 59" and have laser welded seams.
(27) Now available in galvanized, aluminum, and stainless with optional no. 4 finish.
Use this duct system for sizes over 24" Dia. Longitudinal lock formed seam, galvanized or stainless steel, with Van Stone Angle Flange on both ends.
(19) Laser Welded Seam - Rolled Ends
Available in galvanized or stainless steel.
Used to provide variable length adjustment of QF System. Example of how to use Adjustable Nipple below. Standard rubber o-ring provides seal.
(19) A standard locking quadrant handle enables users to regulate air volumes.
Laser Welded Seam - Rolled Ends
Available in galvanized or stainless steel.
(80) Long Radius Elbows availble in galvanized, stainless or aluminum construction.
3" to 24" Diameter
90° , 60° , 45° , 30 ° angles
Pressed Form and segmented
(112) Flanged elbows are available in 90°, 60°, 45°, 30°Galvanized, Aluminum and Stainless.
Elbows of dia. 4” - 7” are supplied press formed.
Elbows of dia. 3 & 8” - 40” are only supplied segmented.
(64) L: Lapped Seam
S: Spot Welded
B: Buffed Interior
7" to 24" Diameter 90° , 60° , 45° , 30 ° angles
L-S-B Elbows are constructed of gores lapped over one another, spot welded and buffed smooth on interior.
This is a directional elbow and supplied with an arrow to indicate direction of flow.
LSB Elbows are available in Galvanized, Aluminum, and Stainless construction
(24) Used to reduce backward airflow in the line. Can be mounted vertically if airflow is upward: should be specified when ordered.
Now available in galvanized, aluminum, stainless and stainless+ with optional no. 4 finish.
(27) Branches are Laser Welded Seam - Rolled Ends
Available in galvanized or stainless steel.
Designate A,B,C dimensions. Branches priced by "A" dimension. Above 24" available only in flange. If A, B or C desired in flange, add price of flange and denote by FL after dimensions for which flange is needed.
Standard branch is 30°, 40° Optional
(27) Now available in galvanized, aluminum, and stainless construction with optional no. 4 finish.
End Style: QF (standard), Flange, Raw
When ordering specify A,B,D.
B + D >= A
Use formula above to determine if a reducer is needed at "C".
Flange Leg: Length=4.5" AND Height=A+4"
If A-B or D desired in flange, add price or flange and denote by FL after dimension for which flange is needed.
When ordering specify A,B,D.
On sizes above 24", "A" is flanged. Add the cost of flange if "B" or "D" require flanges.
•Standard 60°
•Optional 90°
(27) Now available in Galvanized, Aluminum, and Stainless with optional no. 4 finish.
Specify reducer style
Reducers are produced by the following formula:
•NOTE: "X" & "Y" are standard 1 3/4" long.
•QF length = (A-B) + 6" (7" min.)
•FL length = (A-B) + 8" (9" min.)
(27) In cuts are used to cut into existing lines to begin QF system.
•Standard 30°
•Optional 45°
Now available in galvanized, aluminum, and stainless with optional no. 4 finish.
QF (standard), Flange, Raw available
(27) Tap-in used to cut into existing lines to begin QF system.
Now available in galvanized, aluminum, and stainless with optional no. 4 finish.
QF (standard), Flange, Raw available.
Available in 3" to 24" Diameter.
(27) Now available in galvanized, aluminum, and stainless with optional no. 4 finish.
•Standard 30°
•Optional 45°
End Style: QF (standard), Flange, Raw
When ordering specify A,B,C,D.
(A-B) >= (B-C) And
(B) >= (D)
Note: Reducer at "B" or "D" may be required. Use formula above to determine.
Priced by large end.
On sizes above 24", "A" is flanged. Add the cost of flange if "B", "C", "D" require flanges
(27) Now available in galvanized, aluminum, and stainless with optional no. 4 finish.
End Style: QF (standard), Flange, Raw available
NOTE: "A" to "A" must be the same dimension; however, "B" must be equal to or smaller than the "A" dimension.
On sizes above 24", "A" is flanged. Add the cost of flange if "B" requires a flange.
(19) Highly efficient method of diverting flow of materials or air.
Manual open and close. Sold in black metal. Constructed of heavy duty 3/16" thick painted metal, with welded seams. Each unit supplied with heavy duty flange bearings, and rubber seal in door. 45° angle only.
(19) High efficient, economical method of diverting flow of material or air. Manual or automatic operation. Constructed of heavy 3/16" thick and painted metal, with welded seams. Supplied with heavy-duty flange bearings, and rubber seal in door. Other sizes available upon request.
Power Open and Close.
Minimum 75psi. 45° angle only.
Sold in black metal
(11) Manually operated, energy saving blast gate. These compact and easy to operate gates are constructed of galvanized metal with a special sealing device that reduces air loss and friction in operation for 3" to 34" diameter ducting.
(14) Automatic energy saving blast gates operated by double acting compressed air cylinders. Cylinders are controlled by electrically-connected solenoid to machines or remote switch. Gates are constructed of galvanized metal and a special sealing device that reduces air loss and friction in operation. Available in sizes 4" diameter to 22" diameter, 120 V controlcircuit and 75 psi minimum air pressure. Optional 24 VDC or AC control circuit available.
(19) QF (standard), Flange or Raw.
Specify desired ID or OD of non Q-F.
Must be within maximum opened dimension, or will be priced as reducer.
3" to 24" Diameter sizes available.
(27) 3"-24" made from galvanized steel 14 GA. Clearance hole 5/16". Bolt size 1/4" x 3/4". Bolts are supplied with hanger.
Over 24 inches made from 3/16" flat bar steel.
Specify Diameter required.
3268-0100 is supplied in standard length of 10 feet.
Cut to desired length - flatten ends - drill one end with 3/8" bit - connect this end to pipe hanger and clamp or bolt other end to suspension point.
Note: Hangers do NOT come flattened or drilled.
Available in galvanized steel only.