Stainless steel DIN swivel tube connectors Stainless steel DIN swivel tube connectors

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Female Swivel DIN Tube Fittings Stainless Steel

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Our Female Swivel DIN Tube Fittings in stainless steel provide 360° rotation to eliminate tube stress. Complying with the ISO 8434-4 standard, these fittings ensure a robust, leak-proof 24° cone seal, perfect for dynamic industrial, mobile, and metric hydraulic systems. Their corrosion-resistant 316 stainless steel construction guarantees durability in demanding environments.
  • 24 degree cone connector

  • Straight, Elbow, 45 Degree Elbow, Tee, Run Tee, Branch Tee, Cross

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Female Swivel DIN Tube Fittings in Stainless Steel: Precision Metric Connections with 360° Freedom


Engineer dynamic, stress-free fluid systems with our Female Swivel DIN Tube Fittings. Machined from AISI 316/316L stainless steel, these premium fittings combine the robust, leak-proof sealing of the DIN 2353 / ISO 8434-1 compression standard with a full 360° swivel function. This critical rotation eliminates torsional stress on tubing, compensates for misalignment, and prevents kinking, thereby extending system life in demanding applications. Designed to meet ISO 8434-4 for swivel joints, they are the ideal solution for moving parts in machinery, compact installations, and all metric hydraulic or process systems where flexibility and reliability are paramount.


Key Features & Benefits

Dual-Standard Precision: Combines the tube-gripping reliability of DIN 2353 (ISO 8434-1) bite-type fittings with the performance and interchangeability defined by ISO 8434-4 for metric swivel joints.


Eliminate Tubing Stress: The integrated swivel joint allows the female threaded body to rotate freely around the compression fitting stem, absorbing movement and preventing harmful torque transfer to the tubing or system ports.


Robust 24° Cone Seal: Maintains a perfect metal-to-metal seal at the 24° cone seat, ensuring a vibration-resistant, high-pressure connection that remains leak-free even in dynamic applications.


Superior Corrosion Resistance: Constructed from 316 stainless steel, these fittings withstand harsh environments, including those in marine, chemical processing, and food & beverage industries.


Easy Installation & Service: The swivel function allows for easier alignment during tightening, reducing installation time. Many designs feature serviceable seals for maintenance.


Technical Specifications & Product Data

ParameterSpecification / Description
Design StandardsISO 8434-4 (Swivel Joints), DIN 2353 / ISO 8434-1 (Compression Connection)
Connection TypeBite-Type Compression Fitting with Integrated Swivel Joint
End ConnectionsFemale Metric Thread (e.g., M16x1.5, M22x1.5) AND DIN 2353 Compression for Tube
Sealing Method24° Cone Seal (Metal-to-Metal) at Swivel Interface; Cutting Ring seal on tube.
Swivel Movement360° Continuous Rotation
Primary MaterialAISI 316 / 316L Stainless Steel
Pressure RatingUp to 400 Bar (5,800 PSI) or higher, dependent on size and design series.
Temperature Range-20°C to +120°C (Standard seals). Extended range available with optional seal materials.
Tube CompatibilityMetric Stainless Steel Tubing or Seamless Steel Tubing (e.g., 6mm, 8mm, 10mm, 12mm OD).
Seal OptionsStandard: NBR (Nitrile). Optional: FKM (Viton) for high temp./chemicals, EPDM.
SeriesLight (L) and Heavy (S) Series available.


Applications

Industrial Robotics & Automation: Hydraulic/pneumatic lines on robot arms and moving machine parts.


Mobile Hydraulic Machinery: Connections on excavators, loaders, and agricultural equipment with limited space or constant movement.


Machine Tools: Rotating assemblies, indexing tables, and hydraulic clamping circuits.


Test Rigs & Process Skids: Where flexible, leak-free connections are needed for maintenance or modular design.


Selection & Ordering Guide

To specify, you need:


Tube Outer Diameter (OD) (e.g., 10mm).


Female Thread Size & Standard on the swivel end (e.g., Female M22x1.5).


Pressure Requirement to select the correct series (L or S).


Media & Temperature to determine the optimal seal material (NBR, FKM, EPDM).


⚠️ Critical Note: Ensure the mating male port has the correct metric parallel thread and a 24° cone seat for a proper seal. Do not connect to JIC 37° or BSPP ports, as this will cause leaks and failure.


Upgrade to flexible, professional-grade metric connections. Browse our full range of ISO 8434-4 swivel fittings in stainless steel or contact our engineering support for assistance in configuring the ideal fitting for your dynamic DIN tube system.


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