
Fantini Cosmi
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Pertanyaan umum tentang Fantini Cosmi dari 3G Electric.
What pressure ranges are available in Fantini Cosmi pressure switches?
Fantini Cosmi pressure switches cover a wide spectrum, from vacuum applications down to -0.82 bar up to high-pressure systems at 300 bar. For example, the B12ANY and B12AN4 models handle -0.82 to 0 bar, while the B12MN is rated for 1-5 bar, and the B12ERNY covers 8-28 bar. The B01A series operates from 0.7-3 bar, and the B01B from 2-5.5 bar. This range allows selection based on specific system requirements, whether for low-pressure pneumatic circuits or high-pressure hydraulic lines.
What are the connection and protection ratings for Fantini Cosmi pressure switches?
Most Fantini Cosmi pressure switches feature G 1/4 threaded or flange connections, which are standard for industrial piping and equipment. Protection ratings are typically IP40 for indoor cabinet mounting, but some models are available with IP68 for submersible or harsh environments. The IP40 rating ensures protection against solid objects larger than 1mm, while IP68 offers full dust ingress protection and continuous immersion in water. These ratings are critical for ensuring the devices operate reliably in their intended environments.
Can Fantini Cosmi pressure switches be used with steam or high-temperature fluids?
Yes, certain models are specifically designed for steam and high-temperature applications. The B12MN pressure switch, for instance, is rated for steam generators and inert fluids, with a stainless steel diaphragm that withstands high temperatures. Maximum fluid temperature ratings for many models reach up to 120°C, and operating ambient temperatures range from -35°C to 80°C. It is important to verify the specific model's temperature limits to ensure compatibility with your process media.
What is the difference between fixed and adjustable differential in Fantini Cosmi switches?
Fixed differential switches, like the B12ANY with a 0.1 bar differential, have a set hysteresis that cannot be changed. Adjustable differential switches, such as the B12ERNY with a 2-6 bar range, allow the user to set the difference between the cut-in and cut-out pressures. This adjustability is useful for systems where the pressure fluctuation tolerance needs to be tuned. Fixed differentials are simpler and provide consistent performance, while adjustable ones offer flexibility in system design.
Are Fantini Cosmi pressure switches compliant with EU energy regulations?
Fantini Cosmi products, particularly those used in boiler and heating controls, are designed to align with ErP (Energy-related Products) directives. This compliance is relevant for systems sold into EU markets, where energy efficiency and environmental impact are regulated. The devices are engineered to support efficient operation of heating plants, contributing to reduced energy consumption. For specific compliance documentation, refer to the technical datasheets provided by 3G Electric.
Does 3G Electric supply Fantini Cosmi products?
Yes — 3G Electric (S) Pte. Ltd. supplies Fantini Cosmi products. We stock the Fantini Cosmi catalog and supply genuine factory-original products with full manufacturer warranty and technical support.





