One of the world s leading manufacturers of flue and chimney systems for the exhaust of gases and ventilations.
Boiler exhaust stack rain caps.
Made from galvanized spiral pipe for strength and durability.
General engineering data 7 initial gas pressure total press drop gas line capacities cu ft hr through 100 ft length diameter of pipe in inches 1 2 3 4 1 1 1 4 1 1 2.
Each features a black steel roof cap with a built in back draft damper and bird screen.
Stack caps that deflect the exhaust jet have a detrimental effect on exhaust plume rise.
A hinged flapper damper is opened by the exhaust flow from the stack and closes when the exhaust flow stops care must be taken to ensure continued proper operation.
When fan is on flaps are forced out of the way to provide a clear path for air movement.
Sample specification boiler exhaust all our double wall chimney systems are part of a large family of cbi industrial positive pressure products for industrial and commercial applications.
Designed for 3 and 4 ductwork these roof cap vent kits help vent heat moisture and odors from bathrooms showers and recreation rooms.
Duravent 6 type b gas vent rain cap for high wind regions.
Rain cap is made of 26 gauge galvanized steel and measures 6 inches in diameter to efficiently keep rain from entering vent pipes.
3 rodent pvc vent screen for horizontal pipe vented furnaces hot water heaters and boilers pvs rs3.
Periods of heavy rainfall may be accompanied by high winds that deflect raindrops under the cap and into the stack changnon 1966.
Small conical stack caps often do not completely exclude rain because rain does not always fall straight down.
Semi circular flaps butterfly damper cover the exhaust stack when fan is off.
The components of each model are made using the same continuous laser welding stainless steel inner wall.
Since 1944 van packer has been a leader in the chimney field over the years van packer has steadily increased its product line to include chimneys to handle applications in all aspects of the commercial and industrial fields.
Not recommended for dryer venting.
4 4 out of 5.
The built in gutter system is designed to prevent rain and snow from entering the stack.
Close umbrella roof vent caps protect commercial industrial or residential duct and vent pipe installations from weather and debris.
Two nylon zip ties are included.
The flapper damper on this type of cap may corrode allowing the flapper damper to stick open or closed.
Available in most sizes.
4 4 out of 5 stars 25.
