工具・機材

3D Models of Ventilation Valves and Duct Flaps

This collection gathers STL files for ventilation valves, including one-way check flaps, backdraft limiters and valves for fan or cabinet exhaust. It is useful when you need to control airflow in a duct or enclosure and want to adapt the part to your own pipe size. The models vary in diameter and mounting style, so you can compare options before printing. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。

Polyzonのコレクション · モデル46件 8サイトから収集

このコレクションの選定方法

このコレクションは、Polyzonが対応サイトの検索結果をもとに作成しています。重複やプレビューのないモデルは除外し、関連性の低いものは後ろに回し、それ以外は検索結果の順に並べています。モデルの権利は各作者にあります。利用条件は各モデルのページでご確認ください。

選定基準：Polyzon編集部 · 本文の更新日：2026年10月11日

コレクションを見る モデル17206件をすべて表示 →
コレクション

まずはここから

このコレクションのすべてのモデル

モデル17206件をすべて表示
カテゴリについて

«3D Models of Ventilation Valves and Duct Flaps»

The collection covers several families of parts. One-way check valves use a flap or membrane to allow air in one direction and block reverse flow. Backdraft valves and exhaust limiters serve similar purposes but often mount at the end of a pipe or behind a fan. There are also ceiling and wall valves, which are usually designed as a grille with an integrated flap.

Before printing, check the duct diameter and the mounting method on the author's page. Look at the number of parts, whether the flap is printed separately, and if the design needs supports. The material and settings the author lists matter for moving parts, since a tight clearance can fuse or a loose one can leak. Photos of real prints help you judge how the valve sits in a pipe.

To find more options, try synonyms such as backdraft damper, non-return valve, or duct flap. Related topics include fan adapters, duct connectors, and ventilation grilles. You can also search by nominal pipe size or by the type of installation, like ceiling, wall, or inline.

FAQ

よくある質問

What is a ventilation check valve used for?
It allows air to flow in one direction and prevents backflow in a duct. In 3D printing, it is often used for fan exhaust or enclosure ventilation.
How do I choose the right size for a ventilation valve?
Match the valve's inner or outer diameter to your duct or fan opening. The author's page usually lists the nominal diameter and the dimensions of the connecting parts.
Do ventilation valve models need supports?
It depends on the design. Some are modeled to print without supports, while others have overhangs that require them. Check the author's notes and photos.
Can I scale a ventilation valve to fit a different pipe?
Scaling changes wall thickness and clearances, which can affect how the flap moves or seals. It is better to find a model made for your diameter or adjust the design in CAD.
関連
工具・機材

Ventilation 3D Models: Grilles, Risers and Adapters

モデル25283件
工具・機材

3D Models for Tunnel Ventilation and Airflow

モデル16340件
暮らし・日用品

Ventilation Pipe STL Models and Accessories

モデル21688件
暮らし・日用品

Ventilation Grates: 3D Models and STL Files

モデル6434件
乗り物

Skoda Ventilation 3D Models and STL Files

モデル1436件
オブジェクト

120 mm Ventilation 3D Models: Grills, Ducts, Filters

モデル1934件

3Dモデルのカテゴリ一覧

暮らし・日用品からCNCまで、すべてのテーマをそろえたカタログ。対応サイトを横断して検索できます。

カテゴリ一覧を開く