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Chimney Vent Caps
Cover chimneys to reduce downdrafts and prevent obstructions from entering.
Aluminum | |||||||
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| For Duct Dia. | Ht. | Dia. | Gauge | Connection Type | Specifications Met | Each | |
For Round Duct | |||||||
| 2 7/8"-4 7/8" | 4 1/2" | 6 5/8" | 22 | Press Fit | UL Listed | 0000000 | 000000 |
| 4 7/8"-6 7/8" | 4 3/4" | 9 1/2" | 22 | Press Fit | UL Listed | 0000000 | 00000 |
| 6 7/8"-8 7/8" | 5 7/8" | 11 5/8" | 22 | Press Fit | UL Listed | 0000000 | 00000 |
| 8 7/8"-10 7/8" | 6 1/2" | 12 3/4" | 22 | Press Fit | UL Listed | 0000000 | 000000 |
| 11 7/8"-14 1/2" | 8 11/16" | 17 9/16" | 22 | Press Fit | UL Listed | 0000000 | 000000 |
Gas Chimney Vents and Fittings
For use with gas-fired equipment, such as boilers and furnaces, these vent pipes and fittings withstand temperatures up to 400° F. Also known as type B gas vents.
To join pipes and connectors, insert a male end into a female end and secure with the included locking band.
Flat Roof Vent Caps
Cover external vents to reduce downdrafts and prevent obstructions from entering the vent.
Aluminum | |||||||
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| For Duct Dia. | Ht. | Wd. | Lg. | Gauge | Features | Each | |
| 8" | 9 7/8" | 15" | 15" | 22 | Bird Screen | 0000000 | 000000 |
Diesel Fuel Tank Caps
Often used with trailers, compressors, and other equipment tanks, these caps meet Department of Transportation requirements. Caps have fusible plugs that will melt when the outside environment reaches their opening temperature.
Cap with vent will automatically open when the internal pressure reaches between 6.5 psi to 8.5 psi to relieve pressure.
| Chain Lg. | Bail Lg. | Seal Material | Pipe Size | Gender | Opening Temp., °F | Specifications Met | Message | Each | |
Aluminum | |||||||||
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Cap with Vent | |||||||||
| 6" | 4 1/2" | Buna-N Rubber | 2 NPSH | Female | 255° | D.O.T. 49 CFR 393.67 | Diesel Fuel Only | 000000 | 000000 |
Lockable Breather Vents with Cap
Secure access to vented openings in pipe and tanks—the cap can be locked to prevent tampering. These breather vents allow you to add a filling port to your hydraulic tank while protecting against excess pressure and vacuum. Use them to stop debris from entering your tank. Breather vents mount on top of standard tank openings with included hardware. Padlock is not included.
For technical drawings and 3-D models, click on a part number.
Material | |||||||||
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| Pipe Size | Max. Temp., °F | Ht. | Dia. | For Use With | Cap | Screen | For Max. Padlock Shackle Dia. | Each | |
NPT Male | |||||||||
| 2 | 200° | 4 1/2" | 5 5/8" | Air, Water | Aluminum | Stainless Steel | 3/8" | 0000000 | 000000 |