Push-to-Connect Pneumatic Straight Fittings – 1/2/4 Pack
Pneumatic Push-to-Connect Straight Union Fittings
Get airtight, tool-free connections in seconds. These straight push-to-connect pneumatic fittings deliver a leak-free, fast-connect solution for pneumatic pipelines, fluid transmission systems, 3D printer air tubing, garden irrigation, water purifier assemblies, and DIY automation projects. Simply push your hose in — it locks instantly. Press the release collar to remove. No wrenches, no hassle.
Key Features
- Leak-Proof NBR Seal: An embedded high-elasticity NBR rubber sealing ring tightly wraps the outer wall of the inserted hose, blocking all leakage gaps for long-term stable pipeline operation.
- Tool-Free Quick Assembly: High-precision stainless steel locking snap structure firmly locks the hose on insertion. Simply press the end collar to release — no extra tools needed, saving you time during installation and disassembly.
- Durable POM Engineering Plastic Body: The main body is constructed from high-strength POM engineering plastic with outstanding wear resistance, pressure resistance, and corrosion resistance against most non-corrosive media — suitable for both indoor and outdoor environments.
- Universal Standard Compatibility: Manufactured to industry standard size specifications for direct compatibility with PU, PE, nylon, and standard hoses of corresponding outer diameters — drop-in replacement for most same-spec fittings on the market.
- Low-Resistance Smooth Flow Path: The one-piece injection-molded internal flow channel has no burrs, steps, or protrusions, minimizing flow resistance for stable flow rates and reduced pressure loss during transmission.
Specifications
| Category | Pneumatic Push-to-Connect Straight Union Fitting |
| Main Body Material | High-strength POM engineering plastic |
| Gripping Ring | Stainless steel |
| Sealing Gasket | NBR rubber |
| Color | White with silver metal reinforcing rings |
| Quantity Options | 1 / 2 / 4 pcs |
| Applications | Pneumatic systems, water purifier pipelines, automation equipment, garden irrigation, 3D printer air tubing, DIY pneumatic projects |
| Country of Origin | Made in China |
Applications
- 3D printer air tubing and pneumatic PTFE tube connections
- DIY pneumatic and automation pipeline projects
- Water purifier and filtration system assembly
- Garden irrigation line connections
- Industrial and workshop compressed air setups
Pair this fitting with other workshop essentials from our store:
- 5-Pair Nitrile Work Gloves – Anti-Slip Full Finger Safety — keep hands protected during installation work.
- Ball End Hex Screwdriver Bit – Magnetic Reduced Shank Steel — a handy companion for precision fastening tasks.
- 10-Pack 65mm Oscillating Multi-Tool Saw Blades | Carbon Steel — ideal for trimming hose and tubing in tight spaces.
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What hose types are compatible with these push-to-connect pneumatic fittings?
A: These fittings are compatible with PU (polyurethane), PE (polyethylene), nylon, and other standard hoses of the corresponding outer diameter. They meet industry standard size specifications, making them a direct drop-in replacement for most same-spec fittings on the market.
Q: Do I need any tools to install or remove these fittings?
A: No tools are required. Simply push the hose into the fitting to lock it securely in place with the stainless steel gripping ring. To release the hose, press down on the end collar and pull the hose out — quick and easy every time.
Q: Are these fittings suitable for outdoor use or wet environments?
A: Yes. The high-strength POM plastic body offers excellent corrosion resistance against most non-corrosive media, and the NBR sealing ring provides a reliable leak-proof barrier. They are well-suited for both indoor and outdoor environments, including garden irrigation systems and outdoor pneumatic setups.
Q: How many fittings come in a pack, and can I buy more at once?
A: These fittings are available in 1-pack, 2-pack, and 4-pack options so you can choose the quantity that best suits your project needs. Buying a 4-pack is ideal for larger pipeline assemblies or to have spares on hand.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.