A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm
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A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mmA2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm

A2 Stainless Steel Pneumatic Push-in Fittings — All Types, 4–16mm

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In stock (500 units), ready to be shipped

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Description

 

A2 Stainless Steel Pneumatic Push-in Fittings — Leak-Free Connections for Air & Water Lines

Dealing with corroded brass fittings, leaking push-in connectors, or a system that demands stainless steel throughout? Engineers, maintenance technicians, and serious DIYers who run pneumatic or water lines in demanding environments need fittings that hold up — not ones that pit, seize, or weep after a few months. These A2 stainless steel pneumatic push-in fittings deliver the corrosion resistance and mechanical reliability that brass or plastic alternatives simply can't match.

Each fitting is machined from A2 (304) stainless steel and features a collet-style push-in mechanism for tool-free tube insertion. Available in nine fitting types — Straight Reducer, Bulkhead, T Piece, Y Piece, 90° Elbow, Straight Equal, Female Straight, Male Straight, and Air Flow Speed Control Valve — with tube ODs ranging from 4mm (≈5/32") to 16mm (≈5/8") and thread options spanning M5, 1/8", 1/4", 3/8", 1/2", and 3/4" BSP. Sold individually (1 Pcs) or in value packs (5 Pcs).

Ideal for pneumatic automation lines, compressed air distribution, DIY workshop air systems, light-duty water circuits, and food-adjacent equipment where stainless steel push-in pneumatic fittings are required by specification or preference. The 90° elbow and T-piece variants are especially popular for routing tubing around tight corners in CNC enclosures and pneumatic control panels.

🔗 Compatible with semi-rigid PU, PA (nylon), and PE tubing matching the listed outer diameter. Thread ends conform to BSP (British Standard Pipe) and metric M5 standards — verify your port thread before ordering.

✅ Key Features of These A2 Stainless Steel Push-in Pneumatic Fittings

  • 🦾 A2 (304) Stainless Steel Body — Resists atmospheric corrosion, moisture, and mild chemicals far better than standard brass push-in fittings, making these suitable for outdoor air lines and food-adjacent installations.
  • ⚡ Tool-Free Push-In Connection — The collet-grip mechanism locks tubing securely on insertion; press the release ring to disconnect without tools, reducing installation time on pneumatic push-in connector assemblies.
  • 📐 Nine Fitting Types in One Listing — Straight Reducer, Bulkhead, T Piece, Y Piece, 90° Elbow, Straight Equal, Female Straight, Male Straight, and Air Flow Speed Control Valve — covering virtually every routing need in a single stainless steel push-in fitting range.
  • 🔩 Wide Thread Compatibility — Threaded variants available in M5, 1/8", 1/4", 3/8", 1/2", and 3/4" BSP, matching the most common pneumatic valve, cylinder, and manifold port sizes used in US and international equipment.
  • 📏 Broad Tube Size Range (4–16mm OD) — Covers the full spectrum of common pneumatic tubing diameters, from compact 4mm (≈5/32") micro-bore lines to 16mm (≈5/8") high-flow circuits, in a single consistent stainless steel push-in fitting family.
  • 💰 Single or 5-Pack Quantity Options — Order exactly what you need for a one-off repair or stock up with the 5-piece pack for ongoing maintenance and new builds — both options ship from our US warehouse.

📐 Technical Specifications — Stainless Steel Push-in Pneumatic Fittings

Material A2 Stainless Steel (304 grade)
Fitting Types Straight Reducer (PG), Bulkhead (PM), T Piece (PE), Y Piece (PY), 90° Elbow (PV), Straight Equal (PU), Female Straight (PCF), Male Straight (PC), Air Flow Speed Control Valve (SL)
Tube OD Range 4mm (≈5/32") — 16mm (≈5/8")
Thread Standards M5, 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, 3/4" BSP
Connection Method Push-in collet (tool-free insertion; press-to-release)
Working Pressure Typically up to 150 PSI (≈10 bar) — confirm for your application
Compatible Tubing Semi-rigid PU, PA (nylon), PE tubing — matching OD required
Finish Brushed stainless steel (natural)
Quantity Options 1 Pcs / 5 Pcs (select via Amount option)
Certifications / Standards See variant options
Country of Origin Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right tube size for my pneumatic fitting?

Match the fitting's tube OD to your tubing's outer diameter. These fittings are available in 4mm (≈5/32"), 6mm (≈1/4"), 8mm (≈5/16"), 10mm (≈3/8"), 12mm (≈1/2"), 14mm (≈9/16"), and 16mm (≈5/8"). For reducer fittings, select the larger OD for the inlet and the smaller OD for the outlet. When in doubt, measure your existing tubing OD with calipers rather than relying on nominal sizing.

What thread standards do these fittings use?

Male and female threaded variants are available in M5, 1/8" BSP, 1/4" BSP, 3/8" BSP, 1/2" BSP, and 3/4" BSP. BSP (British Standard Pipe) threads are parallel (BSPP) in most push-in fitting applications. Always verify your equipment's port thread standard — BSP and NPT threads are not interchangeable — before ordering.

What is the working pressure rating for these push-in fittings?

A2 stainless steel push-in fittings of this type typically handle working pressures up to approximately 150 PSI (≈10 bar) in pneumatic air lines. Actual ratings vary by tube size and fitting type. Always confirm the pressure rating for your specific variant and application, and never exceed the rated working pressure of the weakest component in your system.

Are these fittings suitable for outdoor or corrosive environments?

Yes. A2 (304) stainless steel offers good resistance to atmospheric corrosion, moisture, and mild chemicals, making these fittings generally suitable for outdoor air lines, food-adjacent equipment, and light industrial environments. For highly aggressive media, chloride-rich environments, or marine applications, A4 (316) stainless steel is typically recommended instead.

Can I use these fittings for water or liquid lines, not just air?

These push-in connectors are designed primarily for pneumatic (compressed air) systems. They are generally compatible with water and non-aggressive liquid lines at low to moderate pressures. Always verify the fitting's pressure and media compatibility for your specific fluid and operating conditions before use in liquid circuits.

What type of tubing is compatible with these push-in fittings?

These fittings are designed for use with semi-rigid polyurethane (PU), nylon/polyamide (PA), and polyethylene (PE) tubing with the matching outer diameter. The tubing wall must be firm enough to engage the collet grip securely. Soft silicone or very flexible tubing may not seal reliably with standard push-in collets.

How do I release the tube from a push-in fitting?

To release the tube, press the collet ring (the outer ring at the fitting entry) firmly inward while simultaneously pulling the tube straight out. Always depressurize the line before disconnecting. Avoid pulling the tube without pressing the collet ring, as this can damage the internal gripper teeth.

🛒 Select your type, size, and amount above, then add to cart — ships from our US warehouse.

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