Elbow Hose Barb Fitting
Product Details
Zhejiang Leadtek Fluid Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of elbow hose barb fitting in China. Please feel free to buy customized elbow hose barb fitting at competitive price from our factory. Also, free sample is available.
Product Introduction
Elbow Hose Barb Fitting - reliable 90° direction change for flexible hose systems in demanding industrial environments. This fitting combines a barbed hose tail with a male threaded end in a compact 90-degree body, allowing piping runs to change direction without additional adapters or bends. Fabricated from investment-cast stainless steel (SS304 or SS316L available), the body delivers strong corrosion resistance across water, oil, steam, and mild chemical media. The multi-ridge barb profile locks flexible hose tubing firmly in place under pressure, forming a mechanical seal that holds without the need for clamps in low-pressure installations - though clamp use is recommended for higher-pressure lines.
With a working pressure rating of Class 150 (≤2 MPa) and an operating temperature range of -20°C to 220°C, this elbow hose barb fitting suits a broad range of process conditions, from cooling water circuits and pneumatic supply lines to food-grade and sanitary fluid handling.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | Round Elbow Hose Nipple F / Elbow Hose Barb Fitting |
| Item Code | 31-0A611 |
| Material | SS304 / SS316L (selectable) |
| Connection End 1 | Hose barb (ØD1: 8 / 10 / 12 / 15 / 16 / 20 mm) |
| Connection End 2 | Male threaded (T1: 1/4", 3/8", 1/2") |
| Thread Standards | BSP / BSPT (BS21 / ISO7-1), NPT (ANSI/ASME B1.20.1), DIN2999, JIS B0203 |
| Angle | 90° |
| Pressure Rating | Class 150 (≤2 MPa) |
| Temperature Range | -20°C to 220°C |
| Tolerance | ¼"–½": a b −0.6 mm |
| Standard | ISO 4144 |
| Surface Finish | Precision CNC machined; polished available on request |
| Custom Options | OEM logo, custom dimensions per drawing or sample |
Dimensional Reference (partial - full table available on request):
| Size T1 | DN | ØD (mm) | ØD1 (mm) | a (mm) | b (mm) | L (mm) |
|---|---|---|---|---|---|---|
| 1/4" | 8 | 17 | 8 | 22.5 | 32.5 | 20 |
| 1/4" | 8 | 17 | 10 | 23.5 | 33.5 | 21 |
| 3/8" | 10 | 21 | 10 | 25 | 36 | 21 |
| 1/2" | 15 | 25 | 12 | 28.5 | 40.5 | 23 |
| 1/2" | 15 | 25 | 16 | 30.5 | 42.5 | 25 |
| 1/2" | 15 | 25 | 20 | 32.5 | 44.5 | 27 |
Key Features & Performance Advantages
Multi-Ridge Barb Profile
The stepped barb geometry grips the interior wall of flexible hose tubing through mechanical interference, creating a secure pull-out resistant connection. The contact area across multiple ridges distributes axial force evenly along the hose wall.
01
SS304 / SS316L Material Selection
Standard grade SS304 provides reliable corrosion protection for water, air, and neutral media. SS316L adds molybdenum content for superior resistance to chlorides and aggressive chemicals, making it the preferred choice for coastal, chemical processing, and food-grade environments.
02
Precision CNC Thread Machining
Each threaded end is machined on CNC equipment fitted with thread gauges, and 100% of threads are individually inspected before dispatch. Thread profiles conforming to BSP, NPT, DIN, and JIS standards are available from the same production line, eliminating the need to source multiple suppliers for different regional specifications.
03
Compact 90-Degree Body
The short-body design minimizes installation footprint, making it suitable for confined panel spaces, equipment enclosures, and close-coupled hose routing where a straight fitting plus a separate bend would not fit.
04
Class 150 Pressure-Temperature Performance
Rated for steam, air, oil, water, and non-flammable/non-toxic gas service up to 2 MPa. Temperature performance follows the standard Class 150 derating curve; exact allowable pressure at elevated temperatures is confirmed on request.
05
Application Industries
This fitting is used wherever a flexible hose line must change direction at 90° and connect to a threaded port or valve body:
Industrial Cooling & HVAC
Coolant distribution circuits, chilled water lines, and heat exchanger connections where flexible hose routing around equipment structures is required.
Pneumatic Systems
Compressed air supply lines, pneumatic actuator feeds, and manifold connections in automated production environments.
Food, Beverage & Pharmaceutical
SS316L grade meets the corrosion and cleanliness requirements of sanitary fluid systems; suitable for use with compatible hose and clamp assemblies in CIP-compatible installations.
Chemical & Petrochemical Processing
SS316L construction handles mild acid and chloride-containing media; used in instrumentation lines, dosing circuits, and secondary fluid loops.
Fire Safety & Suppression Systems
Corrosion-resistant fittings for auxiliary water supply connections and sprinkler sub-distribution lines.
New Energy & Semiconductor Manufacturing
Liquid cooling circuits, deionized water loops, and precision fluid management in photovoltaic, energy storage, and semiconductor fab environments.
Quality Assurance
Leadtek operates a 37,000 m² production base in Changshan, Quzhou, Zhejiang, equipped with 400+ machines and more than 20 specialized testing instruments. Every batch of fittings passes through 7 quality inspection checkpoints across casting, CNC machining, thread gauging, dimensional verification, surface inspection, pressure testing, and pre-shipment review.
Certifications held at company level include ISO 9001 (quality management), ISO 14001 (environmental management), and CE, among others. Leadtek also holds 40+ national patented technologies and is recognized as a High-Tech Enterprise under China's national certification program.
Thread gauges are mounted on every CNC machine as standard. 100% of threaded ends are tested before leaving the machining cell - not sampled, tested in full.
OEM & Custom Manufacturing
Leadtek maintains a dedicated six-person design team and CNC machining capacity covering 300+ machines to support buyer-specific customization:
- Custom dimensions - bodies can be produced to customer-supplied drawings or physical samples
- Thread specification - BSP, BSPT, NPT, DIN, JIS, or others confirmed at order stage
- Material grade selection - SS304 or SS316L confirmed per order; other grades reviewed on request
- OEM branding - logo marking, custom packaging, and private-label options available for qualified wholesale buyers
- Mixed-SKU orders - multiple hose barb sizes or thread ends can be combined in a single purchase order
Buyers developing proprietary fluid system assemblies or building own-brand product ranges are welcome to submit drawings or samples for quotation.
Frequently Asked Questions
Q: What is the difference between SS304 and SS316L for this fitting?
A: SS304 suits most general industrial media including water, air, steam, and neutral chemicals. SS316L adds 2–3% molybdenum, which significantly improves resistance to chloride pitting and crevice corrosion. For seawater-adjacent, food-grade, or chemical processing environments, SS316L is the recommended choice.
Q: Which hose types are compatible with the barb end?
A: The barb profile is designed for flexible hose materials including rubber, PVC, silicone, and polyurethane tubing. The barb OD (ØD1) dimension should match the hose inner diameter for a tight mechanical fit. A clamp or crimp sleeve is recommended for lines operating above 0.5 MPa.
Q: Can you supply both BSP and NPT threads in the same order?
A: Yes. Thread standard is specified at the individual SKU level, so a single purchase order can include multiple thread specifications. All threads are 100% gauge-tested before shipment.
Q: Do you offer a free sample before placing a bulk order?
A: For standard low-value items, Leadtek provides free samples on a freight-collect basis. Contact us with your size and thread requirement to arrange a sample shipment.
Q: What is the lead time if I need urgent delivery?
A: For sizes held in stock, orders can ship within 1–2 days. For made-to-order quantities, standard lead time is 30–45 days. Contact us to confirm stock availability for your required size before placing an order.
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