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 Model	Media Type	Max Pressure	Max Speed	Port Size	Thread Type	Seal Material
D-257-123	257-000-123	Air / Water	10 bar	1500 RPM	1/2"	NPT / BSP	Carbon Graphite
D-902-192	902-141-192	Coolant / Oil	80 bar	3000 RPM	3/4"	NPT	Tungsten Carbide
D-1109-205	1109-000-205	Steam	15 bar	250 RPM	1"	BSPT	Carbon / Stainless
D-1111-025	1111-000-025	Thermal Oil	20 bar	200 RPM	3/4"	NPT	Graphite / Brass
D-1121-300	1121-030-300	Air / Vacuum	12 bar	2000 RPM	1/2"	NPT / BSP	NBR / Viton
D-1539-101	1539-001-101	Water / Coolant	35 bar	2500 RPM	1/2"	NPT	Carbon Ceramic
D-256-100	256-000-100	Steam / Hot Oil	10 bar	300 RPM	1"	BSP	Graphite / SS
D-1571-800	1571-180-800	Compressed Air	16 bar	3000 RPM	1/2"	NPT	PTFE / Brass
D-1700-003	1700-000-003	Oil / Hydraulic	210 bar	1800 RPM	3/8"	SAE	Tungsten Carbide
D-1132-275	1132-030-275	Steam / Condensate	20 bar	150 RPM	1-1/4"	NPT	Carbon 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