Description

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Product Overview

90 Degree Elbow SAE Flange is an angled flange connection fitting used to change hydraulic flow direction by 90 degrees while connecting hose assemblies to pumps, valves, cylinders, manifolds, and other hydraulic components.

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Flow Direction Advantages

Reduced Hose Bending Stress

The 90° design minimizes excessive hose bending near connection points, helping reduce strain on hose reinforcement layers and improving installation reliability.

High-Flow Passage

Compared with many threaded connections of the same nominal size, SAE flange connections provide a larger flow path for high-volume hydraulic circuits.

Pressure System Compatibility

Available in SAE Code 61 and Code 62 configurations for hydraulic systems operating up to 420 bar (6,000 PSI) depending on size and pressure series.

Reliable O-Ring Sealing

The flange face utilizes O-ring sealing in accordance with SAE J518 / ISO 6162, helping maintain sealing performance under vibration and pressure fluctuations.

Forging & Machining Process

Hot Forged Body Construction

Fitting bodies are produced from hot-forged steel blanks to improve material continuity and reduce the risk of internal defects compared with fully machined components.

Precision Elbow Machining

The flange face, bolt pattern, and connection geometry are CNC machined to maintain alignment accuracy between the hose end and flange interface.

O-Ring Groove Processing

Dedicated machining programs are used to control groove dimensions required for proper O-ring compression.

Dimensional Inspection

Critical dimensions are verified against SAE J518 and ISO 6162 specifications before shipment.

Surface Finish Verification

Coating appearance and coverage are inspected throughout production to ensure consistent corrosion protection.

Available Configurations

Item	Available Options
Flange Series	SAE Code 61, SAE Code 62
Hose Size	DN12–DN51
Material	Carbon Steel, Stainless Steel 304, Stainless Steel 316
Surface Finish	Zinc Plated, Zinc-Nickel Plated
O-Ring Material	NBR, FKM
Pressure Class	Standard Pressure, High Pressure
Marking	Part Number, Batch Code, Customer Logo
Packaging	Bulk Packaging, Individual Bag Packaging

Typical Installation Scenarios

Compact Hydraulic Equipment
Used where limited installation space prevents the use of straight flange connections.

Mobile Machinery
Commonly installed on excavators, loaders, cranes, and road construction equipment requiring directional hose routing.

Hydraulic Power Units
Allows hose assemblies to be routed around pumps, manifolds, and valve blocks without excessive hose curvature.

Mining and Heavy Equipment
Suitable for hydraulic circuits operating under vibration, pressure pulsation, and continuous-duty conditions.

product-600-828

FAQ

Q: Why use a 90-degree flange instead of a straight flange?

A: A 90-degree design helps redirect hose routing while reducing bending stress and installation space requirements around hydraulic components.

Q: What is the difference between Code 61 and Code 62?

A: Code 62 flanges are designed for higher-pressure applications, while Code 61 flanges are generally used in standard-pressure hydraulic systems.

Q: Can flange fittings improve hose service life?

A: Proper hose routing can reduce excessive bending near the connection point, which may help extend hose assembly service life.

Q: Are SAE flange dimensions standardized?

A: Yes. SAE J518 and ISO 6162 establish standardized dimensions for flange interfaces, bolt patterns, and sealing arrangements.

Q: What information is needed for selection?

A: Flange series, hose size, pressure requirement, material preference, and mating equipment specifications should be confirmed before ordering.

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90 Degree Elbow SAE Flange