Nylon Push-Fit Pneumatic Connector | Speed Fit Air & Water Hose Fittings 4–16mm

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Nylon Push-Fit Pneumatic Connector | Speed Fit Air & Water Hose Fittings 4–16mm

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Fitting Size: 6mm-4mm

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$1.70 USD

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Nylon Push-Fit Pneumatic Connectors — Tool-Free Speed Fit for Air & Water Lines, 4–16mm

Struggling with leaky barbed fittings, clamps that slip, or connections that take too long to assemble? Whether you're a workshop hobbyist, HVAC technician, or small-scale manufacturer, these nylon push-fit pneumatic connectors give you a fast, secure, leak-resistant connection every time — no tools, no thread tape, no frustration.

Each fitting is molded from durable nylon (polyamide) with an internal collet-and-O-ring mechanism that grips standard metric OD tubing on contact. Available in two configurations: equal fittings (both ports the same size: 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm OD) and reducing fittings (stepped sizes from 6mm–4mm up to 16mm–12mm). Common size conversions: 4mm (≈ 5/32"), 6mm (≈ 1/4"), 8mm (≈ 5/16"), 10mm (≈ 3/8"), 12mm (≈ 1/2"). Available in flexible pack quantities from 1 to 100 pieces per order.

Typical applications include air compressor line connections, pneumatic control circuits, aquarium and hydroponic tubing runs, workshop air tool hookups, and low-pressure water line repairs — anywhere you need a reliable push-fit connector for air line tubing that installs in seconds and holds firm under pressure.

ℹ️ Compatibility: Designed for standard metric OD pneumatic tubing (polyurethane, nylon, polyethylene). Always match the fitting size to your tubing's outer diameter (OD) — not the inner diameter. For reducing fittings, the first (larger) number is the main port; the second (smaller) number is the branch port.

✅ Key Features of These Nylon Push-Fit Pneumatic Connectors

🔧Tool-Free Speed Fit Installation — Push the tube in until it clicks; the internal collet grips the OD instantly. No clamps, wrenches, or thread tape needed — ideal for fast air line assembly and repairs.
📐Wide Size Range — Equal & Reducing — Equal fittings from 4mm to 16mm OD; reducing fittings from 6mm–4mm to 16mm–12mm, covering virtually all standard metric pneumatic tubing sizes in one product line.
🧱Nylon Body Construction — Lightweight polyamide body resists moisture, mild chemicals, and everyday workshop wear. Suitable for both dry and humid indoor environments and sheltered outdoor use.
💧Air & Water Line Compatible — Generally suitable for both pneumatic air lines and low-pressure water or fluid lines, making these fittings versatile across aquarium, hydroponic, and compressed air applications.
🔁Reusable & Releasable — Depress the collet ring to release the tube without damage. Fittings can be reused across multiple setups, reducing waste on iterative pneumatic builds and repairs.
📦Flexible Pack Quantities — Available in packs of 1 to 100 pieces, so you can grab a single replacement fitting or stock up for a full workshop installation without overpaying for bulk you don't need.

📐 Technical Specifications — Nylon Push-Fit Pneumatic Fittings

Fitting Type	Equal (straight inline) & Reducing (stepped inline)
Material	Nylon (Polyamide) body; internal collet typically acetal; O-ring typically NBR
Connection Method	Push-fit (collet & O-ring), tool-free speed fit
Tubing Compatibility	Standard metric OD pneumatic tubing (PU, nylon, PE)
Equal Fitting Sizes (OD)	4mm (≈ 5/32"), 5mm, 6mm (≈ 1/4"), 8mm (≈ 5/16"), 10mm (≈ 3/8"), 12mm (≈ 1/2"), 14mm, 16mm (≈ 5/8")
Reducing Fitting Sizes	6mm–4mm, 8mm–4mm, 8mm–6mm, 10mm–6mm, 10mm–8mm, 12mm–6mm, 12mm–8mm, 12mm–10mm, 14mm–12mm, 16mm–10mm, 16mm–12mm
Working Pressure	Typically up to 100–150 PSI (7–10 bar) at room temperature — contact us to confirm
Working Temperature	See variant options / Contact us to confirm
Media Compatibility	Air, low-pressure water, compatible fluids (not for steam or aggressive chemicals)
Pack Quantity Options	1, 2, 3, 5, 10, 20, 50, 100 pcs (availability varies by size)
Color / Finish	See variant options
Country of Origin	Contact us to confirm

⚠️ Note: Push-fit fittings size by tubing outer diameter (OD) — not inner diameter or nominal pipe size. Measure the outside of your tubing before ordering. If you're unsure, contact us before purchasing.

❓ Frequently Asked Questions

How do I choose the right fitting size for my hose?

Match the fitting size to your hose or tubing outer diameter (OD). For equal fittings, all ports are the same size — e.g., an 8mm fitting connects two 8mm OD tubes. For reducing fittings (e.g., 10mm–8mm), the larger number is the main inlet and the smaller is the outlet. Common conversions: 4mm (≈ 5/32"), 6mm (≈ 1/4"), 8mm (≈ 5/16"), 10mm (≈ 3/8"), 12mm (≈ 1/2"). When in doubt, measure the outside of your tubing with calipers.

What pressure can these push-fit connectors typically handle?

Nylon push-fit pneumatic fittings generally handle working pressures up to approximately 100–150 PSI (7–10 bar) at room temperature. Actual ratings may vary by size and tubing type. Contact us to confirm for your specific application.

Can these fittings be used for water lines as well as air lines?

Yes. These nylon speed-fit connectors are generally suitable for both pneumatic (air) and low-pressure water or fluid lines, provided the fluid is compatible with nylon and NBR O-rings. They are not typically recommended for high-temperature steam or aggressive chemical fluids. Contact us to confirm suitability for your specific fluid.

Are these fittings compatible with standard pneumatic tubing?

Yes. These push-fit connectors are designed for standard metric OD pneumatic tubing including polyurethane (PU), nylon, and polyethylene (PE). The collet-and-O-ring mechanism grips the tube OD securely — no tools or thread tape required. Always verify your tubing OD matches the selected fitting size.

What is the difference between equal and reducing fittings?

Equal fittings (e.g., 8mm, 10mm, 12mm) connect two tubes of the same outer diameter — ideal for straight inline connections where the line size stays constant. Reducing fittings (e.g., 10mm–8mm, 12mm–6mm) connect tubes of two different sizes, allowing you to step down from a larger main line to a smaller branch line within a single fitting — no adapter needed.

How do I release the tubing from a push-fit connector?

First, depressurize the line completely. Then press the collet ring (the outer ring around the tube entry) firmly inward toward the fitting body while simultaneously pulling the tube straight out. No tools are needed. Avoid pulling the tube without pressing the collet, as this can damage the internal O-ring or collet teeth.

Can these fittings be used outdoors or in humid environments?

Nylon is generally resistant to moisture and mild corrosion, making these fittings suitable for indoor and sheltered outdoor use. They are not typically recommended for prolonged direct UV exposure or immersion in harsh chemicals. For demanding outdoor or corrosive environments, consider stainless steel or brass alternatives.

🛒 Select your fitting size and pack quantity above, then add to cart — ships from our US warehouse.

Nylon Push-Fit Pneumatic Connector | Speed Fit Air & Water Hose Fittings 4–16mm

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Nylon Push-Fit Pneumatic Connectors — Tool-Free Speed Fit for Air & Water Lines, 4–16mm

✅ Key Features of These Nylon Push-Fit Pneumatic Connectors

📐 Technical Specifications — Nylon Push-Fit Pneumatic Fittings

❓ Frequently Asked Questions

Nylon Push-Fit Pneumatic Connector | Speed Fit Air & Water Hose Fittings 4–16mm

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