Deublin Air and Hydraulic Rotary Unions

• 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, 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