
Valve Caps, Air Valves and Fittings: STL Models
This collection gathers STL files for valve caps, air and pneumatic valves, hose fittings, and related mechanical parts. It also includes decorative valve shapes and toy gun props that use valve or cap forms. Use it to find a starting point for a repair, a custom fitting, or a prop on your 3D printer. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
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Auswahlregeln: Polyzon-Redaktion · Text aktualisiert: 14.10.2026
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Alle Modelle dieser Sammlung

Four Channel Selectable Valve
![desert eagle [jouet factice]](https://cache.polyzon.org/api/img?url=https%3A%2F%2Fmakerworld.bblmw.com%2Fmakerworld%2Fmodel%2FUSde3b9862e7a1f3%2Fdesign%2F2024-06-08_d7fb115b57f78.gif&w=300)
desert eagle [jouet factice]

Leak proof flow stop and regulating valve for 4 to 8mm tubes

tapa valvula neumatica camiones

Universal Valve Cap

bp valve

Valve Cap

VALVE Style Fake Valve for Decoration of Steam Machine

Karambit V2 (FAST PRINT)

水管流量调节器

Inline Valves For 100mm, 125mm & 150mm Pipes

Valve Rebels – Custom Bike & Car Valve Caps

Garden Hose Valve

Chevy Camaro LS3 V8 Engine - printable valves, lifters + N20

Nissan Qashqai oil funnel adapter воронка для масла

Heavy Duty Ikea Skadis Panels (Regular included)

Frame for small sluice box - test rig for experimenting

CS2 Skeleton Knife

PLANT SELF WATERING SPIKES

Steam Deck OLED Charger Holder

Tire/wheel valve tags

Darth Vader Tire Valve Stem Cap

"CUBE" valve cap

Valve Cap VW

Wolfbox MF50, JVSCAM X3, X3 Mini Blower Nozzle & Rear Cover

Universal Valve Cap for Cars, Motorcycles & Bikes

1/10 Scale Gas bottle

Universal Valve Cap | Schrader Valve Caps

Trumpet #RoZ

Tire Deflator - Schrader Valve Stem Bleed Caps

Husqvarna ST 224 fuel valve knob

MLOK T-NUT for M4 screw

Hex Tire Valve cap

Universal Valve Caps

Tire valve caps
«Valve Caps, Air Valves and Fittings: STL Models»
The collection covers several valve-related groups. Tire and vehicle valve caps are small threaded parts that often differ by stem type and cap shape. Air and pneumatic valves include check valves, selectable valves, and inline flow regulators for tubes and pipes. Garden hose and pipe fittings appear as adapters and inline valves for different hose or pipe diameters.
When choosing a model, open the author's page and check the dimensions, thread standard, and number of parts. For assemblies, look at how the parts join and whether the author lists supports, material, and print settings. Photos of real prints can show surface detail and how the moving parts fit together. If a valve has a seal or a spring, confirm that the model includes the needed cavities or separate pieces.
To refine the search, try synonyms such as valve cap, check valve, non-return valve, flow regulator, hose adapter, and pneumatic fitting. Related terms like pipe connector, oil funnel adapter, and engine valve part can lead to nearby results. If the first results are too broad, add a size, thread type, or use case to the query. You can also search for the function rather than the part name, such as air control or water flow.
Häufige Fragen
What can a valve flap model be used for?
How do I choose the right valve cap STL?
What should I check before printing a valve or fitting?
Can I scale a valve model to fit a different size?
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