Rotating Union / Rotary Joint

• Single passage for coolant or MQL
• Closed seals for transfer line and similar applications
• Full-flow design has no obstructions to trap chips or debris
• Bearing-supported with threaded rotor for easy installation
• Deep groove radial ball bearings for smooth operation
• Labyrinth system and large vents to protect ball bearings
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for coolant or MQL
• Closed seals
• Accepts up to 19 mm of draw bar movement
• Full-flow design has no obstructions to trap swarf or debris
• Labyrinth system and large vents to protect ball bearing
• Dry run cycles possible depending on model
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Stainless steel housing and rotor
• Anodised aluminum end cap

• Single passage for coolant or MQL
• Closed seals for transfer line and similar applications
• Full-flow design has no obstructions to trap chips or debris
• Bearing-supported with threaded rotor for easy installation
• Dual ABEC 7 (ISO class P4) angular contact ball bearings
• Labyrinth system and large vents to protect ball bearings
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for coolant or MQL
• Pop-Off technology allows unlimited dry running without media pressure
• Accepts up to 19 mm of axial drawbar movement
• Full-flow design has no obstructions to trap chips or debris
• Bore-mounted design for easy installation
• Matched, ISO class P4 hybrid ball bearings for smooth operation at high speeds
• Labyrinth system and large vents to protect ball bearings
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum and stainless steel parts resist corrosion

• Single passage for coolant or MQL
• Patented Pop-Off™ technology allows unlimited dry running without media pressure
• Full-flow design has no obstructions to trap chips or debris
• Bearing-supported with threaded rotor for easy installation
• Dual ABEC 7 (ISO class P4) angular contact ball bearings
• Labyrinth system and large vents to protect ball bearings
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for both coolant and dry air
• Patented AutoSense™ technology automatically changes between closed seals and controlled leakage operation in response to the kind of media
• Bore-mounted design for easy installation
• Accepts up to 19 mm of axial drawbar movement
• Matched, ISO class P4 hybrid ball bearings for smooth operation at high speeds
• Labyrinth system and large vents to protect ball bearings
• Full-flow design has no obstructions to trap swarf or debris
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodised aluminium and stainless steel parts resist corrosion

• Single passage for both coolant and dry air
• Patented AutoSense™ technology automatically changes between closed seals and controlled leakage operation in response to the kind of media
• Dual ABEC 7 (ISO class P4) angular contact ball bearings
• Threaded rotor for easy installation
• Full-flow design has no obstructions to trap chips or debris
• Labyrinth system and large vents to protect bearings
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for coolant or MQL
• Closed seals for transfer line and similar applications
• Full-flow design has no obstructions to trap chips or debris
• Bearing-supported with threaded rotor for easy installation
• Deep groove radial ball bearings for smooth operation
• Labyrinth system and large vents to protect ball bearings
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for coolant or MQL
• Patented Pop-Off™ technology allows unlimited dry running without media pressure
• Ultra-short 0.1 mm pop-off stroke restricts drainage of residual coolant during tool change
• Full-flow design has no obstructions to trap chips or debris
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for coolant and compressed air
• Patented AutoSense™ technology, changes automatically between closed seals and controlled leakage, depending on media
• Full-flow design has no obstructions to trap swarf or debris
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodised aluminium housing, resists corrosion
• Available with threaded rotor only

• Single passage for coolant or MQL
• Patented Pop-Off™ technology allows unlimited dry running without media pressure
• Pop-Off stroke of 0.7-3.0 mm compensates for thermal expansion of spindle during extended operation as well as variations in drawbar position
• Full-flow design has no obstructions to trap chips or debris
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for all media
• Patented technology operates with closed seals for coolant, as a Pop-OffTM when pressure is removed, and as with a microscopic gap between the seals (“controlled leakage”) with pressurized dry air
• Non-rotating element has a “stroke” (axial movement) of 0.7-3.0 mm, for reliable sealing even with thermal expansion of spindle and variations in drawbar position
• Full-flow design has no obstructions to trap chips or debris
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for Coolant and MQL
• Patented Pop-Off technology allows unlimited dry running without media pressure
• Non-rotating element has “stroke” (axial movement) of up to 13.5 mm, to track drawbar movement even when the union is mounted on the clamping device
• Full flow design has no obstructions to trap chips or debris
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions

• Single passage for coolant or MQL
• Patent-pending AutoSenseTM technology automatically changes between closed seals and controlled leakage operation in response to the kind of media
• Non-rotating element has a “stroke” (axial movement) of more than 8 mm, to track drawbar movement even when union is mounted on the clamping device
• Full-flow design has no obstructions to trap chips or debris
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• Single passage for all media
• Patented AutoSense technology automatically changes between closed seals and controlled leakage operation in response to type of media
• Non-rotating element has “stroke” (axial movement) of up to 13.5 mm, to track drawbar movement even when the union is mounted on the clamping device
• CoolControl technology utilizes an air pilot to hold seals closed during axial drawbar movements, thus mimimizing coolant leakage during tool change cycles
• Full flow design has no obstructions to trap chips or debris
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions

• Four independent passages for applications such as clamping and unclamping, work piece or tool sensing, and spindle cooling
• Vent between passages 2 and 3 allows use of two different media without cross contamination. For example, water in passages 1 and 2 and hydraulic oil in passages 3 and 4
• Stainless steel and brass components resist corrosion
• Hardened chrome sealing surface and elastomer-energized seals
• Dual, widely spaced ball bearings absorb large side loads

for clamping-unclamping applications at steel-strip winders

In combination with SP0077 (2-Passage)
• grease is supplied to the winding mandrel to lubricate the moving elements of the winder

• Monoflow and duoflow design
• Self-supported rotating union
• Radial housing connection
• Balanced mechanical seal
• Steel-banded floating seal
• Easy and quick replacement of sealing components
• Full-media flow
• Vent slots
• Cast iron housing
• Steel rotor flanged/threaded

• Monoflow and duoflow design
• Self-supported rotating union
• Radial housing connection
• Balanced mechanical seal
• 3 vent slots
• Cast iron housing – standard
• Cast iron housing nickel-plated – optional
• Steel rotor

• Monoflow and duoflow design
• In-the-shaft mounted
• Self-supported rotating union
• Flanged housing or mounted with retaining plate
• Balanced mechanical seal
• Seal combination: Silicon Carbide/Silicon Carbide
• Brass housing and elbow
• Stainless steel rotor and supply pipe
• Engineered sleeve bearing
• Full-media flow
• Easily field repairable

• 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

• 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

• Three to five independent passages for applications such as clamping and unclamping, work piece or tool sensing, and spindle cooling
• Balanced mechanical seals in all passages for low torque and long life even with high speeds and pressures
• Closed seals provide continuous containment of media
• No external lubrication of air seals is required
• Dual precision ball bearings for smooth operation
• Labyrinth protection for ball bearings

for spraying-clamping-unclamping applications at steel-strip winders

In combination with SP0077 (2-Passage)
• grease is supplied to the winding mandrel tolubricate the moving elements of the winder

• 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)

• Monoflow and duoflow design
• Self-supported rotating union
• Radial housing connection
• Balanced mechanical seal
• Seal combination: Carbon Graphite/Tungsten Carbide
• Full-media flow
• Easy and quick replacement of sealing components (rotor seal, floating seal)
• Vented housing
• Cast iron housing – standard
• Steel rotor

• 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

• monoflow and duoflow design
• externally mounted
• self-supported rotating union
• radial housing connection
• balanced mechanical seal
• seal combination – standard: Carbon Graphite/Silicon Carbide
• keyed rotor seal
• cast iron body/brass end-cap
• stainless steel rotor ( 3/4˝ -1 1/2˝ )
• engineered sleeve bearing
• easily field repairable
• special options:threaded vent holes

• Monoflow and duoflow design
• Self-supported rotating union
• Radial housing connection
• Balanced mechanical seal
• Keyed rotor seal
• Easy and quick replacement of sealing components (rotor seal, floating seal)
• Ball bearings lubricated for life
• For poor water quality (E.L.S.)
• 3 vent holes
• Forged brass housing
• Stainless steel rotor
• Special options: threaded vent holes

• Single passage for dry or lubricated air
• Bearings are lubricated for life
• Full-flow design has no obstructions to trap chips or debris
• Threaded rotor for easy installation
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum and stainless steel parts resist corrosion

• Single passage for coolant or MQL
• Pop-Off™ technology allows unlimited dry running without media pressure
• Full-flow design has no obstructions to trap chips or debris
• Bearing-supported with threaded rotor for easy installation
• Deep groove radial ball bearings for smooth operation
• Labyrinth system and large vents to protect ball bearings
• Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
• Anodized aluminum housing resists corrosion

• 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

• Single or multi-passage
• “Controlled leakage” can be vented or channeled to reservoir
• Available for shafts up to 8″
• Capable of handling high speed and pressure
• Custom designed for specific application

• monoflow and duoflow design
• in-the-shaft mounted
• flanged housing or mounted with retaining plate
• balanced mechanical seal
• seal combination: Silicon Carbide/Silicon Carbide
• brass housing and elbow
• stainless steel rotor and supply pipe
• full-media flow
• easily field repairable
• no internal bearing

• Single passage available with almost all sealing technologies
• Design with additional functions: e.g. long stroke stator with hub to allow drawbar movement even when rotating union is mounted onto the clamping unit
• Full-flow design has no obstructions to trap swarf or debris
• Balanced mechanical seals made from silicon carbide / carbon graphite for timed dry run for long life
• Anodised aluminium housing resists corrosion
• Dry run capability depending on sealing technology and materials
• Closed seal, Pop-Off, and AutoSense sealing technologies available depending on model

• 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

• 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)

• 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)

• Monoflow and duoflow design
• Self-supported rotating union
• Balanced mechanical seal
• Seal combination: Carbon Graphite/Tungsten Carbide
• Two widely-spaced ball bearings
• Labyrinth seal protects bearings
• Cast iron housing
• High corrosion resistant
• Steel flanged rotor
• On-the-machine seal replacement capability
• Inlet/outlet flange: standard ANSI, optional DIN, JIS
• Special designs up to 12″ available upon request

• Monoflow and duoflow design
• Self-supported rotating union
• Convex seal ring better suited to handle mechanical and thermal shock
• Two widely-spaced graphite bearings
• H57 – H127 optional with sight glasses in the end cap for visual inspection of condensate removal
• Seal wear indicator allows preventive maintenance
• Flanged or threaded rotor available
• Cast iron housing
• Stainless steel rotor
• For steam and hot oil applications in paper, plastic and textile industries and open gear paper machines

• Monoflow and duoflow design
• Self-supported rotating union
• Seals and bearings made of special Carbon Graphite
• Convex seal ring better suited to handle mechanical and thermal shock
• External mechanism to adjust siphon pipe through end cap
• Nickel-plated front and rear end cap
• Nickel-plated ductile iron housing
• Stainless steel spring
• Heavy duty steel rotor design
• Dual bearings for extended service life

• Independent channels for various applications, e.g. clamping/ unclamping, tool clamping, cooling and work piece sensoring
• Combination of various sealing technologies for compact design, high pressures for hydraulic and coolant applications and high flow
• Special balanced sealing technologies for low temperatures and long life
• Various installation options for easy and fast installation through media plug-and-socket connection (DEUBLIN tubes)

• Ladle turrets require complex, heavy-duty multi-passage unions that support the hydraulic lifting of the ladle for each pour of molten metal. Deublin Ladle Turret Unions accommodate multiple media including hydraulic oil, argon, air and water.
• Typical number of ports: up to 26.

This is a small union designed for minimum water flow where space is a problem. The seals are Carbon Graphite-to-Stainless Steel. It has the same dimensions as Model 1005-020-038

• Monoflow design
• Self-supported rotating union
• Radial housing connection
• Seal combination: Silicon Carbide/Silicon Carbide
• Stainless steel housing and rotor

This 3-passage union was designed to cool and activate clutches and brakes. The (2) 3/8″ water passages supply and return water for cooling. The 1/4″ capacity air union is tandem mounted to prevent interpassage leakage between the air and water passages. Contact Deublin Engineering Department for complete specifications.

• • • Monoflow design
    • Self-supported rotating union
    • Axial housing connection
    • Balanced mechanical seal
    • Seal combination: Tungsten Carbide/Tungsten Carbide
    • Slinger and vents protect bearings
    • Low torque design
    • Stainless steel housing and rotor

This 2-passage union was designed to cool and actuate Drum Brakes on Oil Rigs. It has a 1″ water and 1/2″ air passage. The water passage has a cartridge seal that can be repaired on the machine. The 981-300 union can also be used on many other Air/Hydraulic applications. Contact Deublin Engineering Department for complete specifications.

• 3-8 Passages for Various Media
• Applications include clamping and unclamping, work piece or tool sensing, air cleaning, and spindle cooling
• Minimized axial length
• No external lubrication required for air seals
• Balanced mechanical seals in all passages for low torque and long life even with high speeds and pressures
• Closed seals provide continuous containment of media with no by-pass leakage
• Dual precision ball bearings for smooth operation

• Patented SpindleShield system reliably prevents expensive spindle failures by warning machine of leakage due to excessive seal wear
• Rotor mounted, bore mounted, and bearing-less options
• Closed Seal, Pop-Off, and AutoSense sealing options
• Signal can be sent to unused relay on existing I/O board, and unassigned M-code can check status of that relay
• Includes test circuit that can be checked manually or programmed for machine to check automatically

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

• 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