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Rotary couplings and rotary valve couplings
for oil supply to rotating and swivelling installations
they have to be mounted in the centre of rotation of the installation.
In contrast to rotary couplings rotary valve couplings take on the control functions for clamping and unclamping.
max. operating pressure 250 / 500 bar
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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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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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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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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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Rotary Systems' ninety degree union is designed for high speeds. This swivel uses a ground shaft, mechanical seal, and dual ball bearings.
The 008 series is able to withstand moderate pressures at high speeds.
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Parker's PS Series Swivels are designed to meet the application needs and performance requirements of the market. Pressure capabilities up to 5000 PSI, 1/4" through 2" body sizes, a variety of port options, and zinc with clear trivalent chromate (hexachromium free) plating. PS series swivels are available with in-line and 90 degree configurations.
Features:
* Hardened bearing races for extended service life
* Full flow design to minimize pressure drop
* Reduced bearing load design
* Variety of seal options
* Sealed bearing design - bearings isolated from media flow path
* Product designed for field maintenance
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Goodyear is your one source for a wide selection of high-performance hydraulic hose fittings, covering a wide range of designs, shapes, sizes and pressure ratings. With low, medium and high-pressure fittings available for braided, spiral and thermoplastic hose. Fittings include Ultra-Crimp™ (1-piece), Uni-Crimp™ (2-piece), Dual-Grip™ (2-piece) and Field-Grip™ (reattachable). Our line of 21 thread ends include SAE, NPTF, JIC, British Standard, DIN and JIS. End styles include straights, swivels, elbows and flanges. Find the fittings and threads you need, from one source. From Goodyear.
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The Stratoflex Products Division designs and manufactures high-pressure swivel joints for aerospace and derivative markets. Our high-pressure swivel joints are used in liquid or pneumatic systems where torsional rotation between lines is necessary.
Typical installations include retractable landing gear, cargo doors actuators, and any pivoting pressure line.
High-pressure swivel joints are compatible with all standard and many exotic fluids currently used in today’s aerospace and derivative markets.
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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 offers a unique line of low torque air/vacuum rotary unions. These unions are designed specifically for low speed, low pressure, air/vacuum applications that require minimal torque.
The unions utilize a hardened and ground shaft, o-ring seals and dual radial ball bearings to prevent side loading to the seals. The passages are 1/8” NPT and are offered in 2, 4, 6 and 8 passage models. The models shown in the picture are the 2 and 4 passage unions.
See our 028 series to view each size.
Please contact our Technical Sales department at 1-800-959-0146 for operating specifications and torque readings for each model.
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DSTI offers a number of standard & custom union designs that have been used in the robotics industry. These assemblies can be used to transfer air & electrical signal data to & from the rotating gripper.
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Ball Swivel Fittings:
Ball Swivel Fittings are used between the tool and air supply hose to eliminate kinking and twisting. Ball Swivels provide a more natural range of motion than the "traditional" air tool swivel fitting. In addition to providing a greater bend angle (20 degrees to 25 degrees depending on size) and flow capacity than ball swivels made by other manufacturers., these fittings will increase tool maneuverability and production capacity, minimize user fatigue, extend the life of the hose and minimize cost. Made of hardened steel with nickel-plated barbs.
Coilhose Pneumatics offers the following lines of Fittings:
COILOCK Push-to-Connect Fittings
Metric COILOCK Push-to-Connect Fittings
Speed Controls
Poly-Tube Fittings
Brass Hose Fittings
Nylon Hose Fittings
Ball Swivel Fittings
Ball Swivel Connectors
Orbital Swivel Fittings
Brass Pipe Fittings
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UNION rotary, traversing, and tilting tables are predominantly suitable for use on floor-type boring mills and/or traveling-column machines. However, they can also be operated separately with self-contained controller and self-contained operator console. The PDV 10 with a machining torque of 12.5 kNm ensures turning operations on large cylindrical parts in association with traveling-column machines and suitable turning tool adapters. So, supplementary turning operations can be performed.
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DSTI offers a number of standard & custom union designs that have been used in the robotics industry. These assemblies can be used to transfer air & electrical signal data to & from the rotating gripper.
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