Orange and Black Air Inlet Vent

Product Overview

This orange and black air inlet vent is a rectangular side-wall fresh-air window built around one large adjustable flap. The black outer frame bolts to the wall, the bright orange flap inside swings up or down to open or close the opening, and a vertical bar grille along the top keeps the bird out of the duct. In the photo, a white pull cord with a brass fitting hangs from the centre of the flap, which is the manual control most farmers use to set the opening by season.

The design is simple on purpose: one visible moving part, one cord, and no electronics in the wall. The high-contrast orange flap against the black frame lets a farmer walking the house see at a glance which vents are open and which are shut. It suits poultry houses, livestock barns and farm buildings that want manual ventilation control at low cost.

Key Features and Benefits

• Single large orange flap - one big adjustable baffle covers the whole opening, so air direction and flow are easy to understand.
• Pull-cord control - the hanging cord opens or closes the flap from the floor, no ladder needed for every adjustment.
• Top protective grille - the vertical bars above the flap keep birds and debris out of the duct while letting air pass.
• High-contrast colours - orange on black makes the vent state visible from across the house during rounds.
• Simple mechanical linkage - the cord and pivot linkage has few parts, so breakdown points are few and cheap to fix.
• Rigid black frame - the heavy frame mounts firmly on the wall and keeps the flap sealed shut when fully closed.

Technical Specifications

• Product name: Orange and Black Air Inlet Vent
• Type: adjustable flap air inlet window
• Frame colour: black
• Flap colour: orange
• Control: pull cord with brass fitting, centre-mounted
• Protection: vertical bar grille at the top
• Material: engineering plastic frame and flap

Materials and Quality

The frame and flap are moulded from thick engineering plastic that holds its shape on an outside wall and resists the daily swing between sun and shade. The flap edge seats against the frame when closed, which reduces drafts in cold weather, and the pivot points are built into the moulding rather than added loose. The pull cord fitting uses a brass terminal that grips the cord without fraying, so years of pulling do not tear the string out of the flap. Each vent is operated open and shut several times before packing. The orange flap is lighter in colour than the frame, so a beam of sunlight through the house shows exactly where the air stream enters, which helps staff notice blocked or half-open vents during their daily walk.

How to Use and Maintain

Mount the frame on the side wall at the planned fresh-air height, route the pull cord down to the aisle, and tie or fit a grip at the end so one person can pull from the ground. Set the flap nearly closed in cold weather for minimum ventilation and open it wider in warm weather. During turn-around, wipe the flap and grille clean of dust and cobwebs, check that the cord still runs freely, and replace the cord if it becomes frayed. If the flap no longer seals shut, inspect the seating edge and clean any mud blocking the closure. Where several vents share one pull line, mark each cord with a different coloured tag, so you can pull the exact vent group you want without walking the whole house.

Applications

This vent is a popular choice for layer houses, meat-chicken sheds and breeder barns where the farmer wants to adjust fresh air by hand as the season changes, without paying for automatic actuators on every opening. It also suits livestock barns, goat sheds and storage buildings that share the same side-wall ventilation needs. The pull-cord arrangement works well in long houses where several vents along one wall can share a common pull line.

Because the vent is purely mechanical, it also fits remote farms with no controller wiring, emergency backup positions on controlled houses, and small brooder rooms that need independent manual airflow. Distributors selling ventilation kits often include this orange-and-black model as the manual option, alongside fan-driven tunnel systems, so customers can mix automatic and manual inlets in the same barn.

Why Choose Hebei Yilu Shunfeng Breeding Equipment

Hebei Yilu Shunfeng Breeding Equipment Co., Ltd. specializes in poultry feeding, drinking and ventilation equipment for farmers and distributors worldwide. Every product is checked before shipment to ensure consistent quality, and orders are packed with export-grade packaging to protect the goods during transport. Our sales team can provide specification sheets, packing details and shipping advice for any order size. If you need more information about this air inlet, packaging options or mixed container loads, please contact us.

Frequently Asked Questions

Q1: Can the pull cord be replaced with a cable or actuator later?

Yes. The centre linkage point can be connected to a longer cable or a small actuator if you later automate the house, while keeping the same vent body.

Q2: Does the flap close tightly against rain?

When fully shut, the flap seats against the frame, which stops rain and drafts. In very exposed positions, add external sealant at installation, as on any wall penetration.

Q3: What size opening does this vent give?

The opening size matches the rectangular frame shown in the product photo; send us your house dimensions and fan rate, and we will recommend how many vents and at what opening angle.

Q4: Is the vent suitable for poultry houses only?

It works wherever fresh air control is needed: poultry, sheep, goat and small-livestock barns, plus farm storage rooms. Tell us the building type and we will confirm mounting advice.