The radial principle
The SERTO radial system is unique. Thanks to this design, tube connections can be easily installed and disassembled. This saves time and money, because all of the components can be re-used, as nothing will be bent or damaged. In addition, the screw fittings can also be easily installed in very confined spaces.
Connect and save
The price for a tube system is determined by three factors: the fittings, the tube and the assembly time. If the tube system has to be dismantled, with SERTO you can save 30 % of the costs due to the inverse sealing function of its clamping ring screw fittings.
Elimination of the body cone of the fitting
In contrast to all other tube fittings, the sealing cone-shaped clampling ring is not in the body of the SERTO fitting, but rather in the nut. The plane surface of the body of the fitting permitt that components included in a tube system can be radially removed from the system.
Increased safety and time saving
For dismantling or reassembly, only the nuts of the relevant screw fitting need to be loosened. For more rapid assembly, the tubes can be pre-assembled with a nut and clamping ring and inserted radially into the piping network. This is not possible with a conical screw fitting.
More tubes in the same space
Because with SERTO the tubes do not penetrate into the body of the fitting, but rather are only in front of it, the body can be one or two spanner sizes smaller than a conical fitting. If the body is smaller, so are the nuts. The few millimetres which are saved make a big difference. More tubes can be installed in parallel in the same space.
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SERTO components can be combined like the elements in a building block set. The basic elements of our standard program are straight unions, male adaptors with various threads, elbows, panel and banjo unions as well as L, T and cross unions. Together with connecting parts from SERTO, innumerable, individual, compact solutions with metal-to-metal seals are available for prompt delivery.
Possibility of connection 1 (illustration, left side)
Connecting part replaces the compression ferrule, instead of the standard compression ferrule use.
Possibility of connection 2 (illustration, lower side)
Connecting part replaces compression ferrule and union nut, instead of nut and compression ferrule use.
Possibility of connection 3 (illustration, right side)
Connecting part is mounted on the standard connection and acts as a tube, in addition to the standard connection use.
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SERTO unions consist of a base part, compression ferrule, connection nut and reinforcing sleeve. Reinforcing sleeves are recommended for thin-walled tubes and plastic hoses because they stabilise the tube inner wall and provide enough resistance for necking.
In contrast to products from other suppliers, where the nut and the base part interlock conically, SERTO unions seal on the flat metal surfaces that are pressed together.
Benefits and advantages of SERTO radial mounting and metal-to-metal seal
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UNIONS ...resistant to vibration, water hammer and temperature change due to the elasticity of the SERTO compression ferrule system.
Brass (CuZn40Pb2) SO-4 Program
The universal material for unlimited possibilities.
Application for non-corrosive to slightly corrosive air, gases, liquids and oils in a non-aggressive environment, in exemple, in machine building (lubrication, cooling etc.).
Use with tubes of plastic and seamless copper tubes with clean smooth surface. Further materials on demand.
Available SO 0... Program of connection nut type gas/BSP (British Standard Pipe) instead of metric threads, not interchangeable.
Characteristics:
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UNIONS ...resistant to vibration, water hammer and temperature change due to the elasticity of the SERTO compression ferrule system.
Stainless steel (1.4571) SO-5 Program
For high and extreme requirements.
Application for corrossive air, gases, liquids and oils in an aggressive environment, in exemple, in chemical plants and water treatment.
Use with tubes of plastic and stainless steel seamless precision tubes with clean smooth surface. Further materials on demand.
Characteristics:
Steel (galvanized with passivation) SO-6 Program
Proven and reliable, in particular for high operating pressures.
Application for non-corrosive air, gases, liquids and oils in a non-aggressive environment, in exemple, to connect precision steel tubes in the hydraulic field as in railway brake systems.
Use with seamless precision steel tubing and plastic tubing.
Characteristics:
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UNIONS ...resistant to vibration, water hammer and temperature change due to the elasticity of the SERTO compression ferrule system.
Aluminium (AW 6082, nuts blue anodised) SO-1 Program
Versatile, robust and light unions (one third of the weight of stainless steel or brass), with good corrosion and weathering resistance, initially lubricated and therefore ready for installation.
Application for sea water, thermal fluids, mineral oils, petrol and various gases, in exemple, in cooling systems for power electronics, pneumatic lines, fuel/lubrication/break lines in vehicles, building services engineering and light-weight construction in general.
Use with seamless or not seamlessly drawn tubes and not drawn pressed tubes.
Characteristics:
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UNIONS ...resistant to vibration, water hammer and temperature change due to the elasticity of the SERTO compression ferrule system.
PVDF (polyvinylidenefluoride) SO-2 Program
Especially resistant to corrosive fluids and suitable for use in contact with foods (in compliance with FDA regulations).
Applications for corrosive air, gases and liquids in an aggressive environment, in exemple, of laboratories, process engineering, biotechnology and medical and laboratory technology.
Characteristics:
PA (polyamide) SO-3 Program
The main field of applications is pneumatic tubing, in possible combination with unions of brass, steel and stainless steel. Should not be subjected to direct sunlight.
Applications of non-corrosive air, gases and liquids in a non-aggressive environmen, in exemple, in industrial equipment manufacturing.
Characteristics:
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VALVES ...connect, distribute and control reliably and are evidence of the expertise and experience of SERTO in a wide range of applications.
Materials
Types
Characteristics
Application
Tubes to use
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SERTO not only offers a wide program of tube unions and valves, but also other complementary products and services. Whether you need - SERTO has it all !
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