Bulkhead Push-In Fittings | Pneumatic Connectors for Air & Water Hose Tube | 4mm–16mm

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Bulkhead Push-In Fittings | Pneumatic Connectors for Air & Water Hose Tube | 4mm–16mm

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Execution: Connector (check valve)

Size: 4mm

QTY(pcs): 1 PCS

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$3.06 USD

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Verfügbar (500 Stück), versandbereit

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Bulkhead Push-In Fittings — Route Air & Water Lines Through Panels Without Leaks

Routing pneumatic or water lines through enclosure walls, machine panels, or bulkheads is a common frustration for DIYers, technicians, and small-shop builders alike. A loose pass-through means air leaks, pressure drops, and constant re-tightening. These bulkhead push-in fittings solve that problem with a secure, tool-free tube connection on both sides of any panel — no thread tape, no wrenches, no mess.

Each fitting is a single-body bulkhead connector machined to accept push-in tubing on one or both ends. Available in tube ODs from 4mm (≈5/32") to 16mm (≈5/8"), with execution styles including straight connector, check valve, 90° L-shape, internal-thread, copper nickel-plated, and stainless steel. Sold individually or in multi-packs of 2, 3, 5, 8, or 10 pieces so you can stock exactly what your project needs.

Typical applications include pneumatic panel feed-throughs in automation enclosures, air compressor line routing through workshop walls, water line bulkhead connections in RV and marine builds, and push-to-connect fittings for tubing in DIY irrigation or cooling systems. The check valve variant is especially useful for one-way flow control in compressed-air circuits.

⚠️ Tube OD and thread size must match your existing tubing and port. See the Size selector for combined OD + thread options on internal-thread variants. If unsure, contact us to confirm before ordering.

🔗 Compatible with standard polyurethane (PU), nylon (PA), and polyethylene (PE) push-in tubing. Internal-thread variants accept BSP/NPT-compatible fittings in 1/8", 1/4", 3/8", and 1/2" sizes. Stainless steel execution suitable for outdoor and corrosive environments.

✅ Key Features of These Bulkhead Push-In Fittings

🔩Tool-Free Push-In Connection — Internal collet grips tubing on insertion; press the release ring to disconnect. No clamps or thread tape needed for the tube side.
📐Wide Size Range (4mm–16mm) — Covers the most common pneumatic and water tube ODs used in DIY and light industrial push-to-connect fittings for tubing, from compact 4mm lines up to 16mm hose.
🔄Multiple Execution Styles — Straight connector, check valve for one-way flow, 90° L-shape for tight routing, internal-thread for equipment ports, and corrosion-resistant copper nickel-plated or stainless steel options.
🏭Panel-Mount Bulkhead Design — Body passes through a drilled hole and locks with a nut, creating a clean, sealed feed-through for air compressor line routing or water line bulkhead connections.
💧Air & Water Compatible — Suitable for compressed air, water, and other non-aggressive fluids. The stainless steel variant handles demanding environments where standard brass would corrode.
📦Flexible Pack Quantities — Available in 1, 2, 3, 5, 8, or 10-piece packs so you can buy exactly what a single repair or a full panel build requires without overstocking.

📐 Technical Specifications — Bulkhead Push-In Connector Fittings

Product Type	Bulkhead Push-In Pneumatic / Fluid Fitting
Execution Styles	Connector (check valve), Connector (internal thread), "L" shape, Connector (straight), Connector (copper nickel-plated), Connector (stainless steel)
Tube OD Range	4mm (≈5/32") — 16mm (≈5/8")
Thread Sizes (internal-thread variants)	1/8", 1/4", 3/8", 1/2" (BSP/NPT-compatible — see variant label)
Material	Brass (standard); Copper nickel-plated brass; 304 Stainless Steel (stainless variant)
Working Pressure	Typically up to ~150 PSI (≈10 bar) at room temperature — contact us to confirm for your application
Compatible Tube Types	PU, PA (nylon), PE push-in tubing
Pack Quantities	1, 2, 3, 5, 8, or 10 pieces per order
Mounting	Panel bulkhead (drill-through with lock nut)
Country of Origin	See variant options

❓ Frequently Asked Questions

How do I choose the right tube size for my bulkhead push-in fitting?

Match the fitting size to your tube's outer diameter (OD). For example, a 4mm fitting accepts 4mm OD tubing. Sizes range from 4mm (≈5/32") to 16mm (≈5/8"). When in doubt, measure your tube OD with calipers before ordering — the inner diameter of the tube does not determine the fitting size.

What thread sizes are available for the internal-thread connectors?

Internal-thread variants are available with BSP/NPT-compatible threads including 1/8", 1/4", 3/8", and 1/2", paired with tube ODs of 4mm, 6mm, 8mm, 10mm, and 12mm. Select the Size option that shows both the tube OD and the thread size (e.g., ‘8mm (Thread 1/4")’).

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

Typical pneumatic push-in fittings of this type are generally rated for working pressures up to approximately 150 PSI (≈10 bar) at room temperature. Actual ratings depend on the specific execution and tube material. Contact us to confirm for your application before use in high-pressure systems.

Can these fittings be used outdoors or in wet environments?

Standard brass connectors offer moderate corrosion resistance suitable for indoor pneumatic and water applications. For outdoor or high-humidity environments, we recommend the stainless steel execution, which provides significantly better corrosion resistance. The copper nickel-plated option also offers improved protection over bare brass.

Are these fittings compatible with both air and water lines?

Yes. These bulkhead push-in fittings are generally compatible with compressed air, water, and other non-aggressive fluids. The check valve execution is specifically designed for one-directional flow control. Always verify fluid compatibility with the fitting material before use in chemical or high-temperature applications.

How do I install a bulkhead push-in fitting through a panel?

Drill a hole in your panel matching the fitting's body diameter, insert the fitting from one side, and secure with the lock nut on the opposite side. Then push your tubing firmly into each port until it clicks and seats against the internal collet. To release, press the collet ring inward while pulling the tube out.

Which execution type should I choose for my project?

Connector (check valve) — one-way flow control in pneumatic circuits
Connector (internal thread) — connects push-in tube to a threaded equipment port
“L” shape — 90° routing through panels where straight access is limited
Connector — straight-through bulkhead pass-through for clean panel feed-throughs
Connector (copper nickel-plated) — improved corrosion resistance for damp environments
Connector (stainless steel) — demanding, outdoor, or corrosive environments

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

Bulkhead Push-In Fittings | Pneumatic Connectors for Air & Water Hose Tube | 4mm–16mm

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Beschreibung

Bulkhead Push-In Fittings — Route Air & Water Lines Through Panels Without Leaks

✅ Key Features of These Bulkhead Push-In Fittings

📐 Technical Specifications — Bulkhead Push-In Connector Fittings

❓ Frequently Asked Questions

Bulkhead Push-In Fittings | Pneumatic Connectors for Air & Water Hose Tube | 4mm–16mm

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