90° Elbow Barb Hose Fitting — Brass & Stainless Steel, 4mm–40mm OD

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90° Elbow Barb Hose Fitting — Brass & Stainless Steel, 4mm–40mm OD

Name: 90° Elbow Barb Hose Fitting — Brass & Stainless Steel, 4mm–40mm OD
Brand: HomeDIYer
Price: 4.28 USD
Availability: InStock

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Size(OD): 4mm

Amount: 1 pcs

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90° Elbow Barb Hose Fittings — Reliable Right-Angle Connections for Air, Water & Fluid Lines

Routing a hose around a tight corner without kinking it is one of the most frustrating challenges in any plumbing, pneumatic, or DIY fluid system. Whether you're building a workshop air line, a garden irrigation loop, or a custom coolant circuit, a poorly chosen elbow fitting can mean leaks, pressure drops, or hose damage. These 90° elbow barb hose fittings are designed for DIYers, hobbyists, and small-shop operators who need a dependable right-angle connection that installs in seconds and holds under pressure.

Each fitting is a single-piece 90-degree elbow with barbed ends on both sides, available in Brass or Stainless Steel. Outer diameter (OD) sizes range from 4mm (≈5/32") to 40mm (≈1-9/16"), covering a wide range of flexible hose and tubing sizes. Sold in quantities of 1, 3, or 5 pieces per order so you can stock exactly what your project needs.

Typical use cases include pneumatic air line routing in compressor setups, garden drip irrigation elbow connectors where tubing must change direction around raised beds or planters, and automotive coolant hose fittings for custom radiator or intercooler plumbing. The push-on barb design works with PVC, silicone, rubber, and polyurethane tubing — pair with a hose clamp for pressurized systems.

ℹ️ Compatibility Note: Match the barb OD to your hose's inner diameter (ID) for a secure friction fit. Brass variants are available in 4–19mm OD; Stainless Steel variants cover 8–40mm OD. See variant selector above for full size availability.

✅ Key Features of These 90° Elbow Barb Hose Fittings

🔩Dual Material Options — Choose Brass for cost-effective water and air line use, or Stainless Steel for corrosion-resistant applications in humid, outdoor, or chemically exposed environments.
📐Wide Size Range (4mm–40mm OD) — Covers small-bore pneumatic tubing up to large-diameter coolant or irrigation hose, making these fittings versatile across multiple project types.
↩️True 90° Elbow Geometry — The right-angle barb design redirects fluid flow without sharp bends in the hose itself, reducing kink risk and maintaining consistent flow rate through the turn.
🔒Barbed Push-On Connection — The ridged barb profile grips the inside of flexible hose tubing to create a friction-lock seal. Compatible with PVC, silicone, rubber, and polyurethane hose for push-on barb fitting installations.
🏭Machined One-Piece Construction — Single-body design with no threaded joints or glued sections means fewer potential leak points compared to multi-part elbow assemblies.
📦Flexible Quantity Options — Available in 1, 3, or 5 pcs per order, so you can grab a single replacement fitting or stock up for a full irrigation or pneumatic system build without over-ordering.

📐 Technical Specifications — 90° Elbow Barb Hose Fittings

Fitting Type	90° Elbow Barb Connector
Material Options	Brass; Stainless Steel (typically 304 grade)
Available OD Sizes (Brass)	4mm (≈5/32"), 6mm (≈1/4"), 8mm (≈5/16"), 10mm (≈3/8"), 12mm (≈1/2"), 14mm (≈9/16"), 16mm (≈5/8"), 19mm (≈3/4")
Available OD Sizes (Stainless Steel)	8mm (≈5/16"), 10mm (≈3/8"), 12mm (≈1/2"), 15mm (≈19/32"), 20mm (≈3/4"), 25mm (≈1"), 32mm (≈1-1/4"), 40mm (≈1-9/16")
Connection Type	Push-on barb (both ends)
Compatible Hose Types	PVC, silicone, rubber, polyurethane flexible tubing
Typical Applications	Air lines, water/irrigation, fuel lines, coolant hose routing
Recommended Working Pressure	See variant options — confirm with your system specs
Finish	Natural brass (Brass); brushed/mill finish (Stainless Steel)
Quantity per Order	1 pcs / 3 pcs / 5 pcs (select above)
Country of Origin	Contact us to confirm

⚠️ Sizing Tip: The OD listed refers to the outer diameter of the barb end. Match this to your hose's inner diameter (ID) for a proper push-on fit. If your hose ID falls between two sizes, the larger barb OD will generally create a tighter seal.

❓ Frequently Asked Questions

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

Measure the outer diameter (OD) of your hose or tubing. The barb OD should generally match or be slightly larger than the hose's inner diameter for a secure push-on fit. For example, a 6mm (≈1/4") barb typically fits 5–6mm ID hose. When in doubt, size up and use a clamp to ensure a leak-free seal.

What pressure can these barb fittings handle?

Working pressure depends on hose type, clamp use, and fluid temperature. Brass barb fittings generally handle up to 150 PSI in low-pressure water and air applications. Stainless steel variants typically support higher pressures. Always confirm with your system's rated specs and use a hose clamp for pressurized lines.

Can I use these fittings outdoors or in wet environments?

Stainless steel (typically 304 grade) offers good corrosion resistance for outdoor, marine-adjacent, and humid environments. Brass is suitable for indoor plumbing and moderate outdoor use but may show surface oxidation over time in highly corrosive conditions. For saltwater or chemical exposure, stainless steel is generally the better choice.

Are these fittings compatible with standard hose barb connections?

Yes. These are standard push-on barb fittings designed to work with flexible hoses including PVC, silicone, rubber, and polyurethane tubing. The barb design creates a friction-lock seal — adding a hose clamp is recommended for pressurized systems to prevent blow-off.

Should I choose brass or stainless steel?

Brass is a cost-effective choice for water, air, and fuel lines in standard indoor or workshop settings. Stainless steel is preferred when corrosion resistance, higher strength, or outdoor durability is required. Note that stainless steel variants in this listing start at 8mm OD, while brass covers 4–19mm OD.

What fluids are these fittings compatible with?

These barb fittings are generally compatible with water, air, light oils, and fuel lines. Brass is commonly used in potable water and pneumatic systems. Stainless steel is suitable for a broader range of fluids including mild chemicals. Always verify compatibility with your specific fluid and operating temperature before installation.

Do I need a hose clamp with these fittings?

For low-pressure or gravity-fed systems, the barb friction fit is often sufficient on its own. For pressurized air or water lines, using a stainless steel hose clamp over the barb connection is strongly recommended to prevent blow-off and ensure a long-term leak-free seal.

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90° Elbow Barb Hose Fitting — Brass & Stainless Steel, 4mm–40mm OD

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Description

90° Elbow Barb Hose Fittings — Reliable Right-Angle Connections for Air, Water & Fluid Lines

✅ Key Features of These 90° Elbow Barb Hose Fittings

📐 Technical Specifications — 90° Elbow Barb Hose Fittings

❓ Frequently Asked Questions

90° Elbow Barb Hose Fitting — Brass & Stainless Steel, 4mm–40mm OD

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