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Deublin custom rotary unions can be designed and manufactured to suit a wide variety of custom applications. To date, Deublin has designed and supplied 300 mm water and air union and for pressures upto up to 700 bars. Whatever your application might be, Deublin has a solution!
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The 3 passage rotary union pictured is designed for a large crane application. The union is designed with high pressure seals and large bearings for the rugged environment that the union is exposed too. The large flange is welded onto the housing for mounting purposes. A very large slip ring is mounted on the back of the union for electrical power. The union is painted to protect it from the environment.
If you have a custom rotary union application, please contact our Technical Sales department at 1-800-959-0146.
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Deublin custom rotary unions can be manufactured to meet any specific custom application. Please provide detailed application information by clicking the link ... we will either modify an existing design or design one to meet the exacting needs of your custom application.
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DSTI offers custom rotary union assemblies that are specifically suited for centrifuge applications. This 8-passage example has independent passages to transfer air & fluids to a rotating centrifuge.
• Special cooling manifolds added to control operating temperatures.
• 300 RPM Use
If you require a custom rotary union for a centrifuge application, contact our design team today and let us create a solution to meet your specifications.
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The Grinnell grooved mechanical products range offers a complete & dependable way of executing the mechanical engineering installations in a structure.This applies not only to fire protection systems,but also to heating,air conditioning & ventilation installations.They are found wherever reliable operation is the key factor, even in power stations & other demanding construction projects.Our service also includes the assistance of specialists to offer guidance on the optimum use of these products.
The Grooved Method
Grinnell couplings and grooved-end fittings are universally used for joining grooved end pipe in a wide variety of piping systems.They are designed to provide a self-centering joint which accommodates the application of pressure, vacuum & other external forces, while limiting the burdensome need for special supports, expansion joints etc.
Flexible and Rigid Couplings
Flexible couplings provide designed in clearances between the housing key sections & the pipe grooves to permit both angular and longitudinal movement of the pipe.Rigid Couplings provide a rigid, locked-in pipe connection. Rigidity is attained simply; it is built-in.The Rigid System is based on a technologically advanced housing design that conforms to and grips the pipe.Couplings are available in painted & galvanized finish.
Range of fittings
Grinnell grooved fittings are available through 600mm/24" nominal pipe size in a variety of styles.These fittings are designed to provide minimum pressure drop & uniform strength. Depending on style and size, fittings are provided in various materials including malleable iron,ductile iron,stainless steel,forged steel or segmentally welded steel.
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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
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Rotary Systems' 90 degree swivel is designed for super-heavy-duty use. This swivel uses a hardened and ground shaft, impregnated Teflon lip seals, and deep-groove ball bearings. The 004 series is able to withstand high pressures at moderate speeds.
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Kadant Johnson thermal oil unions feature precision-lapped seals and roller or tapered ball bearings. For high temperature applications up to 343°C (650°), we offer a carbon-bearing supported union with a special designed seal geometry for optimum sealing. Use the following table to view our rotary unions designed for thermal oil service.
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DSTI provides custom rotary joints for a number of offshore applications. Available features include:
• 316 stainless steel construction
• Sealed bearing covers
• 20,000 psi presssure capability
• Multiple fluid/air passages & integrated electrical slip rings.
Please contact DSTI to learn more about past projects and dicsuss the details of your specific application.
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Deublin rotary unions for high temperature utilizes heat stabilized bearings, hi-temperature grease and other special sealing components. For higher temperatures yet, Deublin rotary unions feature special self-lubricated carbon bushing bearings and special carbon graphite seals.
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DSTI is a leading provider of custom, large scale rotary union assemblies for hydraulic systems. This 6-passage union was designed for offshore use in the energy sector (pictured with a standard GP series and LT Series rotary union for scale).
• Two main fluid channels designed for flow rates of 800 Gallons Per Minute.
• 5” diameter flow passages have ISO 6164 flange connections.
• Rated for 5000 PSI.
Units with 30+ passages, large through bores, or high flow volumes are available. Please contact DSTI to discuss the specifics of your application.
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The union pictured is a large 4 passage rotary union that we designed and manufactured and is utilized on several large plastic injection molding machines. The smaller passages are used for air and the larger ones are used for water. The union is designed to ensure there is no cross-leakage between the passages. There is a bore through the shaft to pass electrical wires. We can custom design and manufacture a large union for your specific application.
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MID has developed a new variable geometry coupling, which can swivel through 360 degrees: the DynaVariacor®. This internationally patented system provides in particular complete flexibility for use with all types of hoses.
The coupling is robust, light and compact; it reduces wear and avoids coiling of the feed hose. When it use with a nozzle this coupling enables increased precision of movement by reducing the handling force required by the user, due to the relative rigidity of the feed pipes. Operator comfort is improved. The DynaVariacor® products have useful features: the interior cross-section of the coupling remains constant at all angles, so pressure loss is minimised and flow rates are naturally optimum.
As well as air, these couplings are suitable for water, oil, petrol and hydrocarbons, and even powders. Many applications are therefore possible. For example, with fire hose or with rigid pipe : à load arm is then easy to make. The system is available in several sizes and fittings for a variety of uses.
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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.
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Rotary Systems provides a number of standard and custom multiple passage rotary unions for plastic molding equipment OEM's. The union pictured is a large custom four passage with ferrule connections for an air and water application.
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Rotary Systems is capable of integrating a slip ring into our line of stock rotary unions as shown in the picture. This is designed into our unions to allow for continuous 360 degree rotation of electrical power and/or data signals. Multiple circuits and power capacities are available.
Two of our rotary unions with slip rings integrated into the design are shown in the picture. The smaller union has two passages with 1/8” NPT connections. It is designed with a six circuit integrated slip ring. The larger union is a four passage unit with 1/2” NPT connections. This union is designed with a three circuit “pancake style” slip ring.
Please contact our Technical Sales department at 1-800-959-0146 with your operating parameters if you need a rotary union with an integrated slip ring. Slip rings are available in various configurations and can be modified to meet your specifications.
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We have a very large range of barbed tees and "Y" fittings along with check valves and luer fittings,ask for our extensive catalogue
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NORMAPLAST® NORMAPLAST® SV are plastic hose and pipe connectors suitable to connect fluid carrying lines.
- NORMAPLAST® used as a hose connector
- NORMAPLAST® used as a pipe connector
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A rotating union must be capable of containing high pressures while
rotating at very high speeds.Smooth,easy rotation can only be
achieved by exactly mating the seal faces to minimize friction.
Precision and tight tolerances are critical in the micro lapping of sea
faces.All Deublin seals are micro lapped to an optical flatness within
2 light bands or 0.000023”utilizing proprietary lapping machinery
and compounds.This level of precision is essential for dependable
leak-proof operation.
Housings are machined on multi-axis twin-spindle lathes to obtain the
necessary part-to-part precision.Rotors and other parts are turned
on automatic bar machines to ensure true-running rotating unions
without any wobble.This assures extended service life.
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General Purpose 55 Series Unions
- monoflow and duoflow design
- self-supported rotating union
- radial housing connection
- balanced mechanical seal
- 3 vent holes
- forged brass housing
3
- stainless steel rotor (/8" - 1")
- special options:
threaded vent holes,
low torque design
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Duff-Norton manufactures rotary unions, rotary joints, rotating joints and offers a line of 32 series ranging up to 10,000 psi and up to 5000 RPM. Rotary Union® is Duff-Nortons registered trademark for rotating joints.
Rotating joints are used to transfer fluids from a stationary supply to a rotating component, i.e., a drum or roll.
They are used in process industries like paper, printing, rubber and plastics, textile and chemical; on cranes, on machine tools and in a host of other applications. They are used to provide heating or cooling media like steam, hot oil, water or coolant to control the surface temperature of a drum or roll, to transfer air or hydraulic fluid to moving components or to add fluids to mixers while in motion.
Duff-Norton has traditionally served the markets where it supplies its general purpose joints, such as the rubber and plastics industries, and in the textile market it supplies its 8000T, a joint designed especially for the textile industry. The single largest user industry of rotating joints worldwide is the pulp and paper industry, which requires large quantities of joints for steam, water and hot oil. The steam applications (i.e., dryer cans) are most prevalent in paper mills.
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MID has developed a new variable geometry coupling, which can swivel through 360 degrees: the DynaVariacor®. This internationally patented system provides in particular complete flexibility for use with all types of pneumatic tools and appliances.
The coupling is robust, light and compact; it reduces wear and avoids coiling of the feed hose. This coupling enables increased precision of movement of the tool by reducing the handling force required by the user, due to the relative rigidity of the feed pipes. Operator comfort is improved. The DynaVariacor® products have useful features: the interior cross-section of the coupling remains constant at all angles, so pressure loss is minimised and flow rates are naturally optimum.
The system is available in several sizes and fittings for a variety of uses: small industrial hand tools such as impact wrenches, grinders, drills, screw guns and riveting machines as well as equipment of larger size and power such as nail guns, staplers, disc sanders, pneumatic drills, compacting machines and special equipment.
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Rotary Systems’ new line of “029” series work-holding unions are available in two, four and six passage models. These unions are designed with #4 SAE threads with both radial and axial feeds on the rotor shaft for a choice in mounting your fittings.
The union utilizes a hardened and ground shaft, impregnated Teflon seals and dual radial ball bearings to eliminate seal loading which results in longer life of the union.
These unions are designed for high pressure and moderate speed applications. They are ideal for rotating pallet changers and rotary indexing table applications. Multiple medias can be passed through the union without cross comtamination between passages.
See our 029 series to view each size.
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DSTI currently provides custom rotating union assemblies to several major rotary filling equipment manufacturers.
These rotary unions are used to transfer various food grade media to the stations in filling equipment. Several designs include an electrical slip ring for power & signal transfer. The slip ring is located in a sealed cover, with IP67 rated connectors. Custom rotary joints can be designed to fit a specific type of equipment and to pass a wide variety of food grade products.
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Rotary Systems designs and manufactures a variety of custom rotary unions for food grade applications. The union pictured is constructed from 300 series stainless steel and utilizes a precision ground shaft, special seals, and dual radial ball bearings.
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DSTI can design & build a custom multi-passage rotary union to fit your specific plastic molding equipment. Many DSTI rotary unions are currently used to transfer water, air & hydraulic fluid into rotating equipment. Designs available for multi-shot, blow molding, vertical molding & numerous other applications. Many designs include our intergrated electrical slip ring to allow both fluid & electrical transfer through the rotating union.
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Air Precision has also developped a range of standard electrical slip rings : EEG, T13 and T20.
They use the same "gold" technology as custom-built slip rings and therefore have excellent electrical qualities and are easily adaptable thanks to interchangeable mechanical interfaces.
Derivates of those standard slip rings are also available.
CONTACT US :
by email : sales@airprecision.com
by phone: +33 1 46 01 21 16
DO NOT HESITATE TO VISIT OUR WEBSITE IN ENGLISH :
www.airprecision-slipring.com
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The SE Series rotary unions were designed for the machine tool industry, but are currently used in a number of industrial applications. DSTI's exclusive RotaRing rotary union/electrical slip ring products allow both fluids & electricity to be transferred through the assembly.
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Rotary Systems' four passage rotary union with integrated 36 circuit slip ring. The union is constructed from plated carbon steel. The union utilizes a hardened and ground shaft, Teflon seals and radial ball bearings.
The slip ring is a 36 circuit compact commercial capsule rated at 2 amps/210VDC or 240VAC. Gold on Gold contacts with speeds us to 250 RPM. Several circuit configurations for the slip ring and a broad range of passages on the rotary union are readily available.
Please contact our Technical Sales department at 1-800-959-0146 with your operating parameters if you need a rotary union with an integrated slip ring. Slip rings are available in various configurations and can be modified to meet your specifications.
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Deublin Coolant Unions are avilable for speeds up to 50,000 rpm and pressures up to 210 bar. They are available with integral ball bearings and in bearingless configurations. In addition, some feature patented "Pop-Off", and "AutoSense" technology making the coolant unions suitable for coolant, MQL and air applications.
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