Indoor, Outdoor, Offshore – Control Cabinets Must Be Tightly Sealed!
CONTROL CABINETS ARE EXTREMELY IMPORTANT FOR MODERN PROCESSES AND PRODUCTION FACILITIES. THEY SERVE AS CONTROL CENTERS IN WHICH IMPORTANT ELECTRONIC COMPONENTS OF MACHINES AND SYSTEMS MUST BE RELIABLY PROTECTED FROM MOISTURE, DIRT, HEAT, AND COLD. FOR THIS CHALLENGING TASK, HIGH-PERFORMANCE SEALING FOAMS MADE OF POLYURETHANE AND SILICONE, DEVELOPED AND PRODUCED BY RAMPF POLYMER SOLUTIONS, ARE IDEALLY SUITED.
Control cabinets protect those electric/electronic components that are not directly placed in a machine but in an empty housing. Typical applications include:
- Switchboards for production plants
- Paint shops
- Charging stations for electric vehicles
- Power distribution boxes for power pylons
- IT housings
- PC cabinet systems
Depending on where they are used, control cabinets are exposed to different influences. While the interior of control cabinets in a factory hall, for example, have to be protected against dust, oils, and caustic vapors, outdoor control cabinets are exposed to UV radiation, heat, frost, and rain.
Since the mid-1980s, most control cabinets are being equipped with a machine-applied, two-component polyurethane gasket (RAKU® PUR), which protects the interior of the control cabinet against external influences.
The development of CNC and subsequently of robot technology has enabled the in-situ application of sealing systems. From this, the so-called "Formed In Place-Foam Gasket" technology (FIPFG) was developed, a low-pressure foaming process for the application of sealing foams.
This technology facilitates the automated application of the sealing foam, sealing the components of control cabinets cost-effectively and to the highest consistent quality in large quantities and with a wide variety of geometries. After the foam has cured, it is firmly connected to the component and ready for further processing.
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Indoor, outdoor, and offshore control cabinets must meet different requirements depending on their operating environment. And that is why sealing foams made by RAMPF Polymer Solutions are tailor-made for the respective application areas.:
Indoor / General requirements for sealing systems for control cabinet applications
- Good adhesion to painted surfaces
- Good mechanical strength, especially in hinge areas
- Good chemical resistance
- Simple processing via two-component mixing and dispensing system
Additional requirements for outdoor applications
- Sealing quality up to IP 68, no water ingress
- Resistance to heat, frost, UV radiation, hydrolysis, and fungicides
Additional requirements for offshore applications
- ATEX (Explosion protection)
- Saltwater and UV resistance
Sebastian Kärcher, Market Segment Manager Sealing Systems bei RAMPF Polymer Solutions:
The performance and complexity of electrical/electronic components are rapidly increasing – and so is the importance of control cabinets. With RAKU® polyurethane and silicone sealing systems, we offer control cabinet manufacturers high-quality products that are flexible in design and easy to process.
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