Deublin 1109 Rotary Union Replacement (Models: 1109-023-212 / 1109-040-388)

Part Number: 1109 021 188
Max Pressure: 210 bar (3,000 psi)
Max Speed: 20,000 RPM
Media: Water, Steam, Hydraulic Fluids, Compressed Air
Materials: Stainless Steel, Brass
Seals: Mechanical Seals, Silicon Carbide (Optional)
Channels: Single or Multi-Channel Configurations
Temperature Range:-40°C to 200°C (-40°F to 392°F)

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Description

Looking for a reliable and cost-effective alternative to the Deublin 1109 rotary union?

Our high-performance rotary union is specifically engineered to replace Deublin 1109-023-212 and 1109-040-388, delivering the same level of sealing performance, durability, and high-speed operation—at a significantly lower cost.

Designed for modern CNC machining centers, this rotary union ensures stable coolant transfer through the spindle, improving machining efficiency and tool life.

Key Features

Direct replacement for Deublin 1109 series
Optimized for through-spindle coolant applications
High-speed performance with low vibration
Precision mechanical seal for extended service life
Compatible with water, coolant, and light oil
Compact design for CNC machine integration
Maintenance-friendly structure

Deublin 1109 vs Our Replacement

Feature	Deublin 1109	Our Replacement
Performance	Excellent	Equivalent
Price	High	Competitive
Delivery	Long	Fast
Customization	Limited	Flexible

Why Choose Our Deublin Replacement

As a professional Chinese manufacturer with over 10 years of experience in rotary unions, we offer high-quality alternatives to international brands such as Deublin.

✔ Cost Advantage

Save 30–50% cost compared to the original Deublin products.

✔ Fast Delivery

Standard models available in stock, lead time within 7 days.

✔ OEM & Customization

We support:

Custom dimensions
Special sealing materials
High-pressure or high-speed modifications

✔ Proven Quality

100% pressure and leak testing
Stable performance in global markets
Trusted by industrial OEM customers

Applications

This rotary union is widely used in:

CNC machining centers
Milling machines
Drilling and tapping machines
High-speed spindle systems
Metal cutting and tooling operations

It ensures stable coolant delivery directly through the spindle, reducing heat buildup and improving machining precision.

FAQ

Q1: Can your rotary union fully replace Deublin 1109?

Yes, our product is designed as a direct equivalent replacement with matching dimensions and performance.

Q2: Is it suitable for high-speed CNC applications?

Absolutely. It is optimized for high-speed spindle coolant systems.

Q3: What industries use this rotary union?

Mainly metal machining, automotive, aerospace, and precision manufacturing.

Q4: Do you support bulk orders or OEM?

Yes, we provide full OEM and bulk supply services.

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Deublin 1109 Rotary Union Replacement (Models: 1109-023-212 / 1109-040-388)

Description

Key Features

Deublin 1109 vs Our Replacement