• Port connection thread sizes from 3/8” to 1.5”
• Rotors available with thread or flange connection
• In-the-shaft mounted models available for minimum overhang
• Single or up to five passage designs
• Some models can flow coolant
• Multiple seal combinations available
• Air pressure ratings up to 150 PSI
• Vacuum ratings down to 28” Hg
• Hydraulic pressure ratings up to 6,400 PSI
• Speed ratings up to 12,000 RPM

DEUBLIN
1?8" to 1?2" Air-Hydraulic Unions

Monoflow design
Self-supported rotating union
Radial housing connection
Balanced mechanical seal
Seal combinations: Carbon Graphite/Hardened Tool Steel or Carbon Graphite/Silicon Carbide
Felt oiler in seal cavity for air service
Oiler for relubrication (3 - 5 drops/month)
Low torque
Weight-optimized design
Aluminum housing
Bearings lubricated for life

DEUBLIN
3?4" to 1.5" Air-Hydraulic Unions

Monoflow design
Self-supported rotating union
Radial housing connection
Balanced mechanical seal
Seal combinations: Carbon Graphite/Hardened Tool Steel or Carbon Graphite/Ceramic
Felt oiler in seal cavity for air service
Oiler for relubrication (3 - 5 drops/month)
Low torque
Aluminum housing
Stainless steel or steel rotor (respective of model)

DEUBLIN
AP Series High Pressure High Speed Unions

Monoflow design
Self-supported rotating union
Seal combination: Tungsten Carbide/Tungsten Carbide
Double row ball bearing; lubricated for life
Vent holes
Steel housing nickel-plated
Stainless steel end cap and rotor
All parts in media contact are stainless steel and corrosion resistant
Designed for high pressure and high speed

DEUBLIN
D Series High Pressure Swivel Low Speed Rotating Unions

Monoflow design
For hydraulic oil and water
For swivel applications and high pressure media
Steel housing and end cap
Stainless steel rotor
Self-supported rotating union
Can be adapted for other media

DEUBLIN
Deu-Plex Air Unions

Duoflow design
Self-supported rotating union
Flanged rotor
Radial housing connections
Low torque
Balanced mechanical seals
Seal combination: Carbon Graphite/Cast Iron
Full-media flow
Aluminum housing
Cast iron rotor
Oil cup (3-5 drops/month)

DEUBLIN
2620 Series 2-Passage Rotating Unions for Various Media

Two independent passages for applications such as clamping and unclamping
Balanced mechanical seals for each passage provide long life and reduced torque even at maximum pressure
Closed seals provide continuous containment of media
Dual precision ball bearings for smooth operation
Labyrinth protection for ball bearings
Mountings options are compatible with DEUBLIN 2520 or 1579 series unions
Maximum Speed: 7,000 rpm

DEUBLIN
2620 Series 2-Passage Rotating Unions for Various Media

Two independent passages for applications such as clamping and unclamping
? Balanced mechanical seals for each passage provide long life and reduced torque even at maximum pressure
Closed seals provide continuous containment of media
Dual precision ball bearings for smooth operation
Labyrinth protection for ball bearings
Mountings options are compatible with DEUBLIN 2520 or 1579 series unions
Maximum Speed: 7,000 rpm

DEUBLIN
2620 Series 2-Passage Rotating Unions for Various Media

Two independent passages for applications such as clamping and unclamping, work piece sensing, and cooling
Balanced mechanical seals for each passage provide long life and reduced torque even at maximum pressure
Closed seals provide continuous containment of media
Dual precision ball bearings for smooth operation
Labyrinth protection for ball bearings
Mountings options are compatible with DEUBLIN 2520 or 1579 series unions
Maximum Speed: 12,000 rpm

DEUBLIN
Deu-Plex Air and Hydraulic Unions

Duoflow design
Self-supported rotating union
Flanged rotor
Balanced mechanical seals
Seal combination for 1590: Carbon Graphite/Ceramic
Seal combinations for 1579: Carbon Graphite/Ceramic - standard
Tungsten Carbide/Ceramic - E.L.S.
Full-media flow
Aluminum housing
Cast iron rotor
Oil cup (3-5 drops/month for 1590)

DEUBLIN
4 Passage Multi-Purpose, Multi-Media Unions

4-passage design
Self-supported rotating union
Flanged rotor
Drain passage prevents interpassage leakage
Special seals
Hardened sealing surface
Brass housing
Stainless steel rotor
Widely spaced ball bearings to withstand side load
5-passage available
A drain port is provided to collect leakage under normal
operation. A vent is provided between ports 2 and 3 to allow
use with two medias eliminating cross contamination.
Example: Air in 1 & 2 and hydraulic oil in 3 & 4.

DEUBLIN
Low Speed Air, Hydraulic, Brake Fluid Unions

Monoflow design
Self-supported rotating union
Steel rotor nickel-plated
Special bearing
Aluminum housing

DEUBLIN
Tandem Air, Hydraulic, Brake Fluid Dual Passage Unions

Duoflow (Tandem) design
Self-supported rotating union
No interpassage leakage on the duoflow design
Steel rotor nickel-plated
Special bearing
Aluminum housing

DEUBLIN
Deu-Plex Low Speed Air-Hydraulic Unions

Duoflow design
Self-supported rotating union
Composite bearing
Vent holes between passages
Special seals
Hardened sealing surface
Aluminum housing
Steel rotor
Optional:
Tandem model as triple-passage design