Deublin Rotary Union

Looking for a high-quality replacement for your Deublin rotary union?
We offer a wide range of interchangeable rotary joints that are 100% compatible with popular Deublin models—at a significantly lower cost.

With over 10 years of experience in rotary sealing solutions, we provide precision-manufactured products that match the form, fit, and function of original Deublin rotary unions. Whether you’re operating in CNC machining, metallurgy, paper production, or fluid power systems, our rotary unions deliver exceptional performance with guaranteed compatibility.

Fully Compatible with Popular Deublin Models

We manufacture direct replacements for the most commonly used Deublin rotary unions, including but not limited to:

Our Model No.Replaces Deublin ModelMedia TypeMax PressureMax SpeedPort SizeThread TypeSeal Material
D-257-123257-000-123Air / Water10 bar1500 RPM1/2"NPT / BSPCarbon Graphite
D-902-192902-141-192Coolant / Oil80 bar3000 RPM3/4"NPTTungsten Carbide
D-1109-2051109-000-205Steam15 bar250 RPM1"BSPTCarbon / Stainless
D-1111-0251111-000-025Thermal Oil20 bar200 RPM3/4"NPTGraphite / Brass
D-1121-3001121-030-300Air / Vacuum12 bar2000 RPM1/2"NPT / BSPNBR / Viton
D-1539-1011539-001-101Water / Coolant35 bar2500 RPM1/2"NPTCarbon Ceramic
D-256-100256-000-100Steam / Hot Oil10 bar300 RPM1"BSPGraphite / SS
D-1571-8001571-180-800Compressed Air16 bar3000 RPM1/2"NPTPTFE / Brass
D-1700-0031700-000-003Oil / Hydraulic210 bar1800 RPM3/8"SAETungsten Carbide
D-1132-2751132-030-275Steam / Condensate20 bar150 RPM1-1/4"NPTCarbon Graphite

💡 Why Choose Our Deublin Rotary Union Replacements?

🔄 100% Interchangeable

Our rotary unions are dimensionally and functionally compatible with Deublin, requiring no machine modifications.

🔧 Durable Sealing Solutions

We use advanced sealing materials like carbon graphite, PTFE, and tungsten carbide to suit different pressures, temperatures, and speeds.

💰 Competitive Pricing

Save up to 50-70% compared to original Deublin rotary unions—without compromising performance or durability.

🚚 Fast Delivery & OEM Options

We stock high-demand models for fast global shipment. OEM and private label options available for distributors and machine builders.

🏭 Industries We Serve

Our Deublin-compatible rotary unions are widely used in the following industries:

CNC Machine Tools

High-speed coolant unions for turning centers, milling machines, and spindles.

Steel & Aluminum Rolling

Water-cooled rotary joints for roll cooling in continuous casting and hot mills.

Paper & Corrugating Industry

Steam rotary unions are used in dryers, calendars, and paper processing.

Hydraulic & Pneumatic Systems

Rotary connections for compressed air, vacuum, hydraulic oil, and more.

❓ Frequently Asked Questions

Q: Are your rotary unions 100% interchangeable with Deublin models?

A: Yes. We precisely match Deublin’s dimensional specifications to ensure drop-in compatibility.

Q: Do you provide technical support or help with selection?

A: Absolutely. Our engineers can assist you in identifying the right model or customizing a solution for your equipment.

Q: Can I order with my logo or packaging?

A: Yes. We provide OEM/ODM services including private branding, laser marking, and customized packaging.

📞 Contact Us for a Free Quote or Compatibility Check

Looking to replace your Deublin rotary union or reduce your maintenance costs?
We’re here to help.

📧 Email: sales@dannhydraulic.com
📱 WhatsApp: +86-15122592153
🌐 Website: www.dannhydraulic.com