{"id":4433,"date":"2025-11-17T11:30:44","date_gmt":"2025-11-17T11:30:44","guid":{"rendered":"https:\/\/castelnew.sviluppo.host\/product-lines\/polyhedra\/"},"modified":"2026-01-29T13:53:47","modified_gmt":"2026-01-29T13:53:47","slug":"polyhedra","status":"publish","type":"page","link":"https:\/\/castelnew.sviluppo.host\/en\/product-lines\/polyhedra\/","title":{"rendered":"Polyhedra"},"content":{"rendered":"
Polyhedra<\/div>\n
Products of POLYHEDRA line are suitable with systems that use new refrigerants HC, HFO and HFO Blends (Group 1 and 2, A1, A2L and A3 safety groups ASHRAE)
You can install POLYHEDRA range inside systems that use HFC refrigerants or for maintenance of old systems. <\/p>\n

– Only one series of products for all refrigerants except R22.<\/p><\/div>\n

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\n \n \"Expansion\n \n\t\t\t\t\t\t\t\tExpansion valve\t\t\t\t\t\t\t<\/span>\n\n Expansion valves are components capable of taking refrigerant from its condensation pressure to its evaporation pressure. They are proportional control devices that act to regulate the flow ...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n \n
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\n \n \"Solenoid\n \n\t\t\t\t\t\t\t\tSolenoid valves\t\t\t\t\t\t\t<\/span>\n\n Solenoid valves can be used in industrial applications, for air, water and other fluids used in refrigeration and air conditioning systems, for fluorinated refrigerants (HCFC, HFC and HFO) a...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n \n
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\n \n \"SAFETY\n \n\t\t\t\t\t\t\t\tSafety devices\t\t\t\t\t\t\t<\/span>\n\n Safety devices for refrigeration systems are devices for humidity control and dehydration, as well as mechanical filters for the refrigerant. Indicators and filters used in refrigeration and...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n \n
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\n \n \"CHECK\n \n\t\t\t\t\t\t\t\tCheck valves\t\t\t\t\t\t\t<\/span>\n\n A check valve is a device that allows fluids to cross in a single direction inside a pipeline or a conduit, for which it is important to check the correspondence between the direction of the...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n \n
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\n \n \"PRESSURE\n \n\t\t\t\t\t\t\t\tPressure regulators\t\t\t\t\t\t\t<\/span>\n\n Pressure regulators can be installed on three main branches of a line (liquid line, intake line, and hot gas line) as well as on the high and low pressure lines, ensuring constant pressure t...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n \n
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\n \n \"Refrigerating\n \n\t\t\t\t\t\t\t\tRefrigerating systems protectors\t\t\t\t\t\t\t<\/span>\n\n Refrigerating systems protectors are devices for humidity control and dehydration, as well as mechanical filters for the refrigerant. Indicators and filters used in refrigeration and air con...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n \n
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\n \n \"OIL\n \n\t\t\t\t\t\t\t\tOil control systems\t\t\t\t\t\t\t<\/span>\n\n A proper oil control system is essential to ensuring compressor lubrication and energy efficient cooling. Excessive oil in a refrigerating system can lead to oil slugging to the compressor. ...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n \n
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\n \n \"VALVES\n \n\t\t\t\t\t\t\t\tValves with screw shutter\t\t\t\t\t\t\t<\/span>\n\n \\nCastel offers a wide range of ball valves for each application and under all working conditions, including those with or without a filling connection.\\nCastel has also a wide range of valv...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n \n
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\n \n \"VIBRATION\n \n\t\t\t\t\t\t\t\tVibration absorbers\t\t\t\t\t\t\t<\/span>\n\n Vibration absorbers are installed on commercial refrigerating systems and on civil and industrial air conditioning systems with the objective of eliminating the transmission of compressor\u2019...<\/span>\n\n\t\t\t\t\t\t\t\"\"<\/span>\n <\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n<\/div>\n
Explore products from other series…\n<\/div>\n