Two passage rotary union 1/2" | Deublin 55 series

Published on: 2026-06-16

Complete Range of Deublin Precision Rotary Unions & Rotary Joints

Deublin stands as the world’s leading supplier of precision-engineered rotary unions, also known as rotary joints, widely adopted across machine tools, rubber & plastic processing, hydraulic systems, steam heating, cooling water circulation, pneumatic equipment and vacuum transmission industries. Every Deublin rotary union delivers zero leakage, long service life and stable operation under high pressure, high temperature and continuous rotation working conditions.

At Qinma Crane, we supply the full lineup of original Deublin rotary union series covering single-channel, two-passage, multi-passage, high-pressure, stainless steel, high-temperature and custom-built rotary joints. Below is the full product catalog including all sizes, medium types and corresponding series codes for your quick reference and part matching.

Full Deublin Rotary Unions Product Catalog

Deublin rotary unions All DEUBLIN products

Deublin Precision rotary union

Deublin Two passage rotary union (air, oil, coolant) 1/4 - 3/8" | 2620 series

Deublin Single-channel rotary union (brake fluid) 5/8" | 17 series

Deublin Single-channel rotary union (brake fluid) 1/2" | 21 series

Deublin Two passage rotary union (brake fluid) 1/2" | 2117 series

Deublin Single-channel rotary union (coolant) 1/4" | 1116 series

Deublin High pressure single-channel rotary union (coolant) 3/8" | 1101 series

Deublin Single-channel rotary union (cutting fluid) 3/8" | 1129 series

Two passage rotary union 2 1/2" | Deublin 755 series

Two passage rotary union 3/8" | Deublin 55 series

Two passage rotary union 1/2" | Deublin 55 series

Two passage rotary union 3/4" | Deublin 55 series

Two passage rotary union 1" | Deublin 55 series

Two passage rotary union 1 1/4" | Deublin 55 series

Two passage rotary union 1 1/2" | Deublin 55 series

Deublin Two passage rotary union 2" | 55 series

Deublin High pressure single-channel rotary union 3/8" | Ap series

High pressure single-channel rotary union 1/2" | Deublin AP series

High pressure single-channel rotary union 1/4" | Deublin AP series

Two passage rotary union (air, oil) 1/2" | Deublin N series

Two passage rotary union (air, oil) 3/4" | Deublin 9000 series

Two passage rotary union (air, oil) 1" | Deublin 9000 series

Two passage rotary union (air, oil) 1 1/4" | Deublin 9000 series

Two passage rotary union (hydraulic oil) 1/2" | Deublin 1579 series

High pressure single-channel rotary union (hydraulic oil) 3/8" | Deublin D series

High pressure single-channel rotary union (hydraulic oil) 1/2 " | Deublin D series

High pressure single-channel rotary union (hydraulic oil) 1" | Deublin D series

High pressure single-channel rotary union (hydraulic oil) 1 1/4" | Deublin D series

High pressure single-channel rotary union (hydraulic oil) 1 1/2" | Deublin D series

High pressure single-channel rotary union (hydraulic oil) 3/4" | Deublin D series

Two passage rotary union (steam) 1" | Deublin 9000 series

Two passage rotary union (steam) 1 1/2" | Deublin 9000 series

Two passage rotary union (steam) 3/4" | Deublin 9000 series

Two passage rotary union (steam) 1 1/4" | Deublin 9000 series

Two passage rotary union (steam) 2" | Deublin 9000 series

Two passage rotary union (vacuum) 3/4" | Deublin 2117 series

Single-channel rotary union (vacuum) 1/4" | Deublin 17 series

Single-channel rotary union (vacuum) 1/2" | Deublin 21 series

Two passage rotary union (water) 2" | Deublin 6000 series

Two passage rotary union (water) 2 1/2 " | Deublin 6000 series

Two passage rotary union (water) 4" | Deublin 6000 series

Two passage rotary union (water) 3/4" | Deublin 2400 series

Two passage rotary union (water) 1" | Deublin 2400 series

Two passage rotary union (water) 3/8" | Deublin 57 series

Two passage rotary union (water) 1/2" | Deublin 57 series

Two passage rotary union (water) 3" | Deublin 857 series

Single-channel rotary union (water) 3/4" | Deublin 22 series

Single-channel rotary union (water) 2 1/2" | Deublin 6250 series

Single-channel rotary union (water) 4" | Deublin 6250 series

Single-channel rotary union (water) 1" | Deublin 2400 series

Stainless steel single-channel rotary union (water) 3/8" | Deublin 54 series

Stainless steel single-channel rotary union (water) 1/2" | Deublin 154 series

Stainless steel single-channel rotary union (water) 3/4" | Deublin 254 series

Stainless steel single-channel rotary union (water) 1" | Deublin 354 series

Single-channel rotary union (water) 1 1/2" | Deublin 57 series

Single-channel rotary union (water) 3" | Deublin 857 series

Single-channel rotary union (water) 3/8" | Deublin 57 series

Single-channel rotary union (water) 1/2" | Deublin 57 series

Single-channel rotary union (water) 1 1/4" | Deublin 57 series

Deublin Rotary union 55 series

Deublin Rotary union for rubber et plastic applications 3"

Deublin Stainless steel rotary union

Deublin Rotary union (steam, hot oil)

Deublin Single-channel rotary union

Deublin Hydraulic rotary union 1/8 - 1/2"

Deublin Hydraulic multi-channel rotary union for high pressure

Deublin High pressure rotary union AP series

Deublin Single-channel rotary union (air, oil) 1/4" | 17 series

Two passage rotary union (air, oil) 1 1/2" | Deublin 9000 series

Deublin Multiple passage rotary union

Deublin Bearing rotary union

Deublin Rotary union for machine tool max. 210 bar

Deublin Custom built multiple passage rotary union

Deublin Custom rotary union

Deublin Rotary union for steam transfer

Deublin High temperature rotary union

Deublin Pneumatic single-channel rotary union 3/8" | 1129 series

Deublin Pneumatic two passage rotary union 1/2" | 1590 series

Pneumatic two passage rotary union 3/8" | Deublin 1500 series

Pneumatic 4 passage rotary union 3/8" | Deublin 1379 series

Pneumatic 4 passage rotary union 1/2" | Deublin 1479 series

Single-channel rotary union (air, oil) 1/8" | Deublin 1005 series

Single-channel rotary union (air, oil) 3/4" | Deublin 250 series

Single-channel rotary union (air, oil) 1" | Deublin 355 series

Single-channel rotary union (air, oil) 1 1/2" | Deublin 452 series

Two passage rotary union (air, oil) 1/2" | Deublin 2117 series

Single-channel rotary union (coolant) 3/8" | Deublin 1117 series

Get Fast Quotation for Deublin Rotary Unions

If you need any original Deublin rotary union spare parts for your crane, machine tool, hydraulic or production line equipment, send us your required series model, port size, working medium, pressure and temperature parameters directly.

Qinma Crane supplies genuine Deublin rotary joints with competitive factory-direct prices, fast global shipping and professional technical support for model selection and installation guidance.

Please leave your inquiry with part numbers, quantity and destination country, our sales team will reply with detailed offer, lead time and packing information within 24 working hours.

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Two passage rotary union 1/2" | Deublin 55 series

Complete Range of Deublin Precision Rotary Unions & Rotary Joints

Full Deublin Rotary Unions Product Catalog

Get Fast Quotation for Deublin Rotary Unions

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