GC1140 Gravity Ceiling Inlets

The GC1140 is a patented 360-degree airflow poultry gravity ceiling inlet. With its 360-degree radius corner design this inlet increases fuel savings, air distribution, and air mixing. Drier litter conditions and less humidity are also benefits of the GC1140. With its larger bottom lid airflow is directed from the attic inlet along the ceiling instead of falling directly down, resulting in more uniform house temperatures. Thus, growers are able to maintain higher ventilation rates during cold weather without sacrificing house temperatures or wasting fuel.

From ease of installation to its excellent performance, the GC1140 Fully Insulated Gravity Inlet has proven to be an exceptional inlet for poultry grower ventilation.

GC1140 Insulated Gravity Poultry Ceilng Inlets

امریکی پیٹنٹ نمبر 9,445,574

JD1501 Made In Canada


Part 90678
1,659 cfm @ .10 SP

Inlet OD: 27.25″ x 27.25″
Ship Weight: 9 lbs / 4.08 kg
48 inlets / pallet
4 inlets / box

GC1140 Inlet Rough Opening

Designed for cold climates, the GC1140 Gravity Inlet has a fully insulated housing that reduces heat loss and freeze-up. The housing is made of four point pivot reactive injection molding (RIM) as well as heavy-duty PVC and stainless steel components. With the tightest seal on the market, there is no air leakage when the air inlet is closed and minimal moisture build-up.

The removable bottom lid makes the counterweight ceiling inlet easy to clean and install. It is easy to remove and reattach bottom lid with attachable straps. The adjustable counterweight allows the GC1140 Inlet to open at different static pressures. The GC1140 Gravity Vent has no blades to break, fall out, or get stuck open or closed. The GC1140 Air Inlet has been BESS Lab Tested for accurate performance.

  • When fresh air is needed in the poultry house, the vent machine will release tension from the ceiling air vent. Once a static pressure of .06 is achieved, the ceiling inlets will open, bringing fresh air into the room.
  • When fans shut off, the attic inlets will immediately close. The vent machine will then pull tension against the attic inlet, ensuring a tight seal and eliminating hot air from entering the attic.

GC1140 Insulated Inlet Poultry House Placement

Inlet Air Circulation Placement


Attic Inlet Capacity = House Width X House Length X 1.5 CFM/SF

# Attic Inlets per House = Attic Inlet Capacity / 1,669 CFM

Video Clip showing step by step how to easily install the GC1140 Gravity Attic Inlet in a poultry house.

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