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• 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