Female Elbow

Female Elbows are widely used in hydraulic, pneumatic, and instrumentation systems where tubing or hoses must be connected to an internally threaded port while changing the flow direction. By combining a female threaded connection with an angled outlet design, these fittings help engineers reduce tube bending, simplify assembly, and maintain reliable fluid routing in limited installation spaces.

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Product Introduction

We manufacture Female Elbow fittings for global distributors, hydraulic equipment manufacturers, and OEM customers, offering multiple thread standards, materials, configurations, and customized solutions according to engineering drawings or application requirements.

Technical Specifications

Parameter	Standard Capability & Specifications
Product Types	Female-to-Female Elbows, Female-to-Male Street Elbows, Custom Angle Elbows
Angle Options	45° Elbow, 90° Elbow, Custom Specific Angles (via OEM drawings)
Size Range	1/8" to 2" (NPT/BSP) / M10x1.0 to M48x2.0 (Metric)
Working Pressure	Up to 6,000 PSI / 414 Bar (Varies by material, thread type, and wall thickness)
Thread Standards	NPT: ANSI/ASME B1.20.1 BSPT: ISO 7-1 / DIN 2999 BSPP (G): ISO 228-1 SAE UNF: SAE J514 / ISO 11926 Metric: ISO 6149 / DIN 3852
Material Options	Carbon Steel: 12L14, C45, 11SMn30 (Zinc Plated) Stainless Steel: AISI 304, 316, 316L, 316Ti Brass: HPb59-1, CW617N, C36000 Aluminum: 6061-T6, 7075-T6
Surface Treatment	Trivalent Cr3+ Zinc Plating (Cr6+ Free), Passivation, Nickel Plating, Black Oxide
Corrosion Resistance	Standard 96+ Hours Neutral Salt Spray Test (ASTM B117) without white rust
Quality & Compliance	ISO 9001:2015, RoHS Compliant, REACH Compliant, MTC EN 10204 3.1 Available

Engineered for Zero-Leak Performance & High Reliability

High-Precision CNC Thread Machining
Improper thread taper or inconsistent pitch leads to galling, incomplete seal engagement, and fluid leakage.

Controlled Thread Flank Angles: Machined on high-precision CNC lathes to guarantee exact pitch, depth, and taper angle.

Full Thread Compatibility: Engineered to perfectly match global port specifications, preventing cross-threading during assembly.

Vibration Resistance: Solid structural design maintains joint integrity even under heavy hydraulic shock loads and continuous vibration.

Compact Elbow Design for Space-Restrained Installations
Connecting tubing or hoses in crowded valve manifolds, control panels, and mobile hydraulic systems can be difficult.

Eliminates the need for excessive tube bending or multi-fitting adapters.

Provides a smooth internal flow radius to minimize pressure drop and fluid turbulence.

Reduces stress concentrations on hard tubing connections, extending overall system lifespan.

Material & Application Selection Guide

Carbon Steel Female Elbows
Best For: High-pressure industrial hydraulic power units, mobile machinery, and construction equipment.

Key Benefit: Superior tensile strength and high cost-efficiency.

Protection: Standard Cr3+ zinc plating protects against atmospheric corrosion during transit and operation.

Stainless Steel Female Elbows (304 / 316 / 316L)
Best For: Offshore/marine, food and beverage processing, chemical plants, and high-purity instrumentation.

Key Benefit: Outstanding resistance to aggressive chemicals, moisture, and chloride environments.

Traceability: Full batch-level heat number tracking with chemical composition analysis.

Brass & Aluminum Female Elbows
Best For: Pneumatic control circuits, air compressor lines, lubrication systems, and automation equipment.

Key Benefit: Excellent machinability, natural corrosion resistance, and lightweight properties.

Strict Quality Assurance & Material Traceability

We enforce a rigorous quality control protocol throughout the manufacturing lifecycle to ensure that every shipment meets engineering standards.

[ Raw Material PMI Inspection ] ➔ [ CNC Machining & Deburring ] ➔ [ 100% Thread Gauging ] ➔ [ Surface Coating ] ➔ [ Final Batch Pressure Test ]

Raw Material Verification: All incoming metal bars undergo Spectrometer Positive Material Identification (PMI) testing to confirm chemical composition before entering production.

100% Thread Inspection: Threads are 100% checked using calibrated Go/No-Go plug gauges (NPT, BSP, SAE) during and after production.

Surface Coating Testing: Zinc-plated carbon steel parts are routinely subjected to Salt Spray Testing (ASTM B117) to ensure compliance with OEM corrosion standards.

Documentation Support: Material Test Certificates (MTC according to EN 10204 3.1), inspection reports, and Certificate of Origin (COO) are supplied with shipments.

OEM Customization & Bulk Supply Services

As an established fluid component manufacturer, we support hydraulic equipment manufacturers (OEMs), component distributors, and engineering contractors with custom manufacturing services.

Custom Engineering & Prototyping: Send us your 2D/3D CAD drawings (STEP, DWG, PDF) or physical samples. Samples produced in 7–10 days.

OEM Private Labeling: Custom laser engraving for part numbers, batch codes, logos, and custom barcode packaging.

Flexible Supply Chain Management: Blanket order management, scheduled deliveries, and custom export packing (plywood crates, rust-proof VCI bags).

FAQ

Q: What working pressure can your Female Elbow fittings handle?

A: Pressure ratings depend on material and size. For example, high-pressure carbon steel or 316 stainless steel NPT female elbows can handle pressures up to 6,000 PSI (414 Bar), while standard brass pneumatic fittings are typically rated for low-to-medium pressures up to 1,000 PSI (69 Bar).

Q: Can you manufacture custom Female Elbows according to customer drawings?

A: Yes. We specialize in custom OEM manufacturing. We can produce custom thread combinations, special angles (e.g., 30° or 60°), non-standard thread pitches, and modified hex dimensions according to your CAD drawings.

Q: Are NPT and BSP female threads interchangeable?

A: No. NPT (American standard) and BSP (British standard) have different thread profiles, pitch dimensions, and thread angles (NPT uses a 60° angle, BSP uses a 55° angle). Forcing them together will cause thread damage and leakage.

Q: How do you guarantee zero leakage on female threaded connections?

A: Our strict thread tolerance control ensures proper metal-to-metal contact. Depending on the thread standard (tapered vs. parallel), sealing can be further reinforced with liquid thread sealants, PTFE tape, or bonded seals/O-rings.

Q: What is the typical lead time for bulk OEM orders?

A: Standard product orders are typically shipped within 15–25 days. For custom OEM orders requiring specialized tooling or custom forgings, lead time is usually 30–35 days. Fast-track prototyping (7–10 days) is available for qualified engineering projects.

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