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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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| 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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Gamme JR : Pour plateaux indexeurs, joints tournants multivoies, mixte multircuits électrique en option : jusqu'a 12 voies pour air comprimé ou vide et 24 circuits electriques.
Gamme JC : Principe exclusif sans pièces de frottement (1 ou 2 voies). Applications jusqu'a 20 000 t/min et 100 bars. Fonctionne à sec. |
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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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3" Union for Rubber and Plastic Application
- 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
- steel rotor |
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N Series Steam and Hot Oil Unions
- monoflow design: N10
- monoflow and duoflow design: N12
- self-supported rotating union
- large carbon graphite bearing
- pressurized spherical carbon graphite seal
- cast iron housing
- stainless steel rotor
9000 Series Steam and Hot Oil Unions
- monoflow and duoflow design
- self-supported rotating union
- spherical Carbon Graphite seal
- seal wear indicator allows preventive maintenance
- 2 torque lugs on the housing
- nickel-plated cast iron housing
- steel rotor, nickel-plated for steam service
H Series Steam and
Hot Oil Unions
- 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 romoval
- 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 |
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| Deublin steam joints are avilable with either a single bushing / bearing or dual bushing / bearing. Bracket, rod or bell supported stteam joints are also available where external support is essential due to a combination of large size andf / or high speed applications. |
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Rotary Unions are self-contained and self-supporting rotary seals used to transfer fluids such as steam, water air or oil, to and from rotating machinery.
Standard units are of steel and iron construction with specials available in, for example, stainless steel and nickel alloys for chemically aggresive fluids or food quality applications.
The range of standard models in three basic types for single or dual flow are available with a choice of ball bearings for temperatures up to 160 degrees celsius and with plain cylindrical carbon bearings for temperatures of 100 degrees celsius up to 300 degrees celsius. Pressure range is 70 bar with rotational speeds up to 5000 rpm. In many instances it is possible to exceed these conditions after first consulting the Filton technical department for advice. |
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| DSTI provides custom rotary unions for use in a number of semiconductor equipment designs. Our engineering staff can design a compact, clean room compatible rotary union to transfer many medias commonly used in the semiconductor industry. Please contact DSTI to discuss the specifics of your application. |
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The multiple passage rotary union that is shown was designed and manufactured for wafer processing equipment. This union was designed to pass multiple medias without cross contamination between passages.
This rotary union is made from stainless steel and was designed to pass air, vacuum and wafer processing slurry. This is only one example of a union that we have designed for the Semi-conductor industry. We currently have several large OEM's that we provide custom unions for in this industry.
If you have a custom rotary union application, please contact our Technical Sales department at 1-800-959-0146.
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| DSTI can provide custom rotary unions designed to mount directly to an existing shaft. These units can be used to feed air, grease & other medias into rotating shafts. Please consult your DSTI representitive to discuss the details of your specific application. |
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Rotary Systems designs and manufactures a line of standard and custom over-the-shaft rotary unions.
The rotary union shown is constructed from carbon steel and utilizes a precision ground shaft, radial ball bearings and Teflon seals. This is a two passage rotary union with .25" NPT passages with a four inch bore through the shaft. This union was designed specifically for a high pressure hydraulic indexing application.
Our standard over-the-shaft line of rotary unions can be viewed on our website by clicking on the 011 series. Our standard unions are offered in two and four passages with a .5", 1.5” or 2.0” bore through the shaft. The bore through the shaft is independent from the union. Some customers will pass a shaft or electrical wires through this bore.
If you have a custom rotary union application, please contact our Technical Sales department at 1-800-959-0146.
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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
3⁄4" to 11⁄2" 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/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)
Deu-Plex Hydraulic Unions
- duoflow design
- self-supported rotating union
- flanged rotor
- balanced mechanical seals
- seal combinations:
Carbon Graphite/Ceramic - standard
Tungsten Carbide/Ceramic - E.L.S.
- full-media flow
- aluminum housing
- cast iron rotor |
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Stainless Steel Unions
- monoflow and duoflow (available) design
- self-supported rotating union
- radial or axial (available) housing connection
- seal combinations:
Carbon Graphite/Ceramic - standard
Tungsten Carbide/Ceramic - E.L.S.
- wetted parts made of 316 stainless steel
- suitable for the food, chemical & pharmaceutical industries
- full-media flow |
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The rotary union pictured was designed to pass pneumatics and/or DI water for a Chemical Mechanical Planarization (CMP) piece of Semi-conductor equipment. The union is manufactured from 316 stainless steel and the shaft is hard chromed on the seal surface for hardness. We currently provide a number of multiple passage rotary unions to the Semi-conductor industry in the CMP field.
Please contact our Technical Sales Staff for your specific requirement.
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Any semi-rigid gas pump hose can be made flexible and easy-to-handle with DynaVariacor® - the patented multi-directional connector.
It reduces efforts, increases nozzle manoeuvrability.
Prevents unwanted twisting of the hose.
Easy filling whatever the position of the gas tank cover or type of vehicle.
Easy nozzle removal from the vehicle.
This connector Improves uniform wear of the hose thanks to less twisting.
Best flow whatever position the connector is in.
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| Rotary Systems' inline dual flow unions are designed for both high and low pressure applications. The unions utilize a hardened and precision ground shaft, impregnated Teflon seals with o-rings and dual radial ball bearings to prevent side loading to the seals. |
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A range of swivel joints muli channels with or without electrical commutator, with or without friction.
Many possible diameters of passage.
With of a standard range of products, we carry out products to measure adapted to your application.
Do not hesitate to consult us
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Rotationg union for cooling and reheating rollers. Designed with springs for not blocking the flow and avoiding any obturation and wetting of the mechanical seal. In duoflow, the feeding pipe or the water separating ring are self-aligning.
Fluid being conveyed : all fluids (to be specified when placing the order)
Max pressure : 285 PSI
Speed : Until 3500 RPM (according to dimension)
Number of flows : 1 or 2
Installation : Radial inlet (at 90°)
Dimension : 3/8" to 3"
Type of seal : Treated steel graphite seal (other on request)
Materials : Stainless steel rotor, bronze housing
Temperature : Standard 80°C (other on request)
Rotation : Sealed ball bearings |
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Swiveling flange or rotating union for slow rotation. Designed with DIN flange for large diameters ans high traction strenght.
Fluid being conveyed : all fluids (to be specified when placing the order)
Max pressure : 145 PSI or 232 PSI
Speed : Swiveling or very slow rotation speed
Number of flows : 1
Installation : Axial inlet
Dimension : From 1"1/4 to 12"
Type of seal : Protection ring and Q-ring seal
Materials : Nickel plated steel or stainless steel 316L
Temperature : Standard 80°C /176F (other on request)
Rotation : Angular contact ball bearings |
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Rotating union for high pressure and high speed.
Fluid being conveyed : all fluids (to be specified when placing the order)
Max pressure : Until 3560 PSI
Speed : Until 2500 RPM (according to dimension)
Number of flows : 1
Installation : Axial inlet or radial inlet (90°)
Dimension : 1/4" to 1"
Type of seal : Composite seal
Materials : Nickel plated steel or stainless steel 316L
Temperature : Standard 80°C (other on request)
Rotation : Single ball bearing |
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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-Norton%u2019s 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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Radial inlet swiveling rotating union for a flexible rotation and a balanced pressure.
Fluid being conveyed : all fluids (to be specified when placing the order)
Max pressure : Until 4275 PSI (according to dimension)
Speed : Swiveling or very slow rotation speed
Number of flows : 1
Installation : Radial inlet (at 90°)
Dimension : 1/4" to 1"1/2
Type of seal : Composite seal
Materials : Nickel plated steel or stainless steel 316L
Temperature : Standard 80°C (other on request)
Rotation : Oilite bearings |
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PIPE JOINTS, SWIVEL JOINTS & QUICK COUPLING JOINTS
Metal swivel joints to suit any need for your spraying systems, and modern quick coupling joints made out of high technology plastic materials. |
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Features
8 different, continuously improved sealing systems
Large number of product varieties available
Customer specific designs, even for high-demanding uses
Combinations of various mediums and electrical currents
The most modern materials and manufacturing processes guarantee the highest quality
Products
In almost all branches of industry rotary unions are needed for transmitting mediums between stationary and rotating machinery parts, whereby every application has different requirements. We have developed an extensive selection of various sealing systems, in order to meet these different requirements, and to be able to offer an optimal solution. We have a large range of products available, and as well customer specific designs.
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Ganymed-Swivel Joints
Applications: Articulated tongs, Loading stations (chemical, petrochemical industry, etc.) waste water purification techique (ventilation systems, rotating scraper bridges, sludge cleaning, etc.)
Connections: Threads, welding, flanges, cutting rings
Materials: Steel (42CrMo4), Stainless steel (1.4571)
Sealing: PTFE compound
Operating conditions: max. pressure 420 bar, max. temperature 225 °C, min. temperature -50 °C (*, 360° swivelling movements, rotating movements also suitable for low speed
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| Rotary Systems' entry level 90 degree swivel is designed for the hose reel industry. This economical swivel uses a hardened and ground shaft and impregnated Teflon seals. The 001 series is able to withstand high pressures, moderate speeds and low side loads. |
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| Filton swivel joints are available from 1/4" to 2" BSP with a single or double flow facility for a pressure range of 740mm of mercury vacuum to 400 bar. Sealing is created by using elastomeric 'O' ring seals in the low duty models and PTFE seals in the heavy duty models. |
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A swivel joint is primarily for use on oscillating shafts, but is also suitable for transfering fluids to and from slowly rotating shafts.
Designs vary from simple knuckle joints, without independant bearings to models containing double row ball bearings for heavier duty. |
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