Dual Flow Rotary Union-Simultaneous Fluid Transfer with Zero Leakage

Description

Dual Flow Rotary Union: The Ideal Solution for Efficient Fluid Transfer

Introducing our dual flow Rotary Union, a sophisticated and highly efficient device designed to facilitate the simultaneous transfer of two distinct fluids or gases. This innovative solution is perfect for industries that require reliable and leak-proof fluid management in rotating equipment, ensuring optimal performance without cross-contamination.

Enhance your machinery’s efficiency with our High-Performance Dual Flow Rotary Union, expertly designed for the simultaneous transmission of multiple media through a single rotating connection. This dual-passage rotary joint independently handles air, water, oil, coolant, and hydraulic fluids without cross-contamination, making it an essential component for modern industrial systems.

Whether you’re operating rotary tables, CNC spindles, printing presses, or packaging machines, this dual flow rotary union delivers unmatched reliability and fluid transfer efficiency. Its stainless steel body resists corrosion and wear, ensuring a long service life even in harsh working environments. The advanced sealing technology guarantees leak-proof performance under both high-speed and high-pressure conditions, reducing downtime and maintenance costs.

Our rotary union supports 360-degree continuous rotation, enabling smooth operation while maintaining a secure fluid or pneumatic connection. Thanks to its compact, lightweight, and modular design, it’s easy to install and integrate into both new and existing machinery.

Whether you need a dual-flow swivel coupling for cooling systems, air clutches, or hydraulic automation, this versatile component is the solution. It is compatible with various fluid transfer setups and can be customized for specific operational requirements.

Technical Specifications of Dual Flow Rotary Union

Parameter	Channel 1 (High-Pressure)	Channel 2 (Low-Pressure)	Industrial Impact
Max. Pressure	5,000 PSI (hydraulic)	300 PSI (pneumatic)	Handles mixed systems
Max. Flow Rate	25 GPM	50 SCFM	Optimizes fluid/pneumatic supply
Temp. Range	-40°F to +450°F (-40°C to 232°C)	-40°F to +300°F (-40°C to 149°C)	Cryogenic to foundry-ready
Seal Materials	Tungsten Carbide/Viton® (HP)	PTFE/Viton® (LP)	Media-specific optimization
Port Options	SAE J518, 1" NPT	1/2" BSPP, JIC 37°	Global compatibility
Housing Material	316L Stainless Steel (standard)	Anodized Aluminum (lightweight)	Corrosion/Washdown resistance

Key Features of Dual Flow Rotary Union

Simultaneous Fluid Transfer

Our dual passage rotary union allows for the independent flow of two different media, such as hydraulic oil and air, without mixing. This capability is essential in applications where maintaining the integrity of each fluid is crucial.

Advanced Sealing System

Utilizes high-grade carbon graphite or silicon carbide seals paired with tungsten carbide counterseats for exceptional durability and leak prevention.

High-Speed Capability

Supports rotational speeds up to 3,500 RPM, suitable for high-speed machinery and automation.

Wide Pressure & Temperature Range

Handles pressures up to 13 bar (200 psi) and temperatures up to 105°C (220°F), with options for higher temperature ratings on request.

Robust Construction

Features stainless steel rotors, two-piece housings for easy on-machine seal replacement, and precision ball or tapered roller bearings for long service life.

Versatile Connection Options

Available with BSP, NPT, and flanged connections, as well as threaded or quick-release mounting nipples for flexible installation.

Bearing Isolation System

An optional bearing protection system extends bearing life by preventing contamination.

Customizable Designs

Tailored configurations are available to meet specific flow rates, media types, and mechanical requirements.

Customer Pain Points & Solutions

1. Leakage and Cross-Contamination

Pain Point: Mixing of fluids or leaks can cause equipment damage and contamination.
Solution: Independent dual flow channels with high-precision seals prevent leakage and media mixing.

2. Frequent Maintenance and Downtime

Pain Point: Poorly designed unions require frequent servicing, increasing downtime.
Solution: Durable materials, advanced sealing, and bearing isolation systems extend service intervals.

3. Installation Flexibility

Pain Point: Limited connection options restrict compatibility with existing systems.
Solution: Multiple thread types and mounting options simplify integration into diverse setups.

4. High-Speed Operation Challenges

Pain Point: Rotary unions may fail or wear quickly at high rotational speeds.
Solution: Precision bearings and balanced seal assemblies enable smooth operation at speeds up to 3,500 RPM.

FAQ

What is a dual-flow rotary union?

It is a mechanical device designed to facilitate the simultaneous transfer of two distinct fluids or gases through separate passages. This design prevents cross-contamination and ensures efficient fluid management in rotating equipment, such as machine tool spindles and pneumatic systems.

How do dual-flow unions prevent cross-contamination?

Each flow within a dual rotary union is independently sealed, ensuring that different fluids do not mix during transfer. This separation is maintained through high-quality seals that withstand pressure and rotational forces.

What materials are used in dual unions?

Common materials include stainless steel and carbon steel, which provide durability and resistance to corrosion. The choice of material often depends on the specific fluids transferred and the operating environment.

What factors should be considered when selecting a dual-flow union?

Pressure and Temperature Ratings: Ensure compatibility with your application’s requirements.
Fluid Compatibility: Select materials that resist degradation from the fluids used.
Size and Mounting Options: Ensure it fits within your installation space and meets connection requirements.

How do you maintain a dual-flow union?

Inspecting seals for wear or damage.
Checking for leaks during operation.
Ensuring proper lubrication, if applicable.
Cleaning any debris that could affect performance.

What innovations have been made in this union technology?

Recent advancements include improved sealing technologies that enhance performance under high speeds and pressures, as well as customizable designs tailored to specific industrial needs, further optimizing efficiency in fluid transfer systems.

What are the typical pressure ratings for dual-flow unions?

Pressure ratings can vary widely depending on the model, typically ranging from moderate levels (around 175 psi) to high pressures (up to 400 bar or more). It’s essential to select a union that meets the specific pressure requirements of your application.Upgrade your equipment today with this high-efficiency dual flow rotary union and experience reliable, seamless, and safe fluid transmission in all your rotary applications.

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