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For more than 70 years, ALCO has been on the cutting edge of HVAC control valve technology, providing innovative and high quality products. ALCO Controls specializes in the design and manufacture of pressure valves that are specifically for use in the HVAC industry. ALCO products are both durable and high quality. The company managed to build a name for itself in the field of HVAC appliances, with the help of their vast product catalog.
Coils have a great asset in their design, their structure is both space-saving and easy to install. Most coil windings are protected against shock, vibration, water, and heat, through a system of insulated shields. The standard voltage of a coil is 120V – 50/60 Hz, but if you need more power, there are versions that reach up to 240V – 50/60 Hz.
Oil control utilities will monitor the oil status throughout your refrigerator system. Some oil separators have multiple compressor racks. They contain solid copper connections, making them highly durable. High efficiency oil filters should be used in conformity to your scroll compressor. The oil filter is designed to protect the compressor from solid contaminants, dirt, metallic magnet particles and other impurities that might hinder the compressor’s work. Oil level control systems have various applications, such as oil level protective control of compressor crankcases, level control for refrigeration scroll compressors and semi hermetic compressors and so on. They feature self-contained units with oil level sensors and integral solenoid to manage oil levels.
The regulator component offers greater stability and control, unlike older systems that were not always safe. Regulators will discharge gas to the system if they sense that there is a risk and they will balance system capacity to load demands.
Shut Off Valves
Shut off valves are usually used in the liquid line of a HVACR system. They make external control is much easier to use. You can manually isolate discharges, suction and liquid line, which means that you will have full control over the pipe work during a maintenance check, or a shutdown period. The shut off valves have a forged brass body with copper extension stubs and have a hermetic design. They feature a bi-directional flow system and a stem cap held by straps, which is attached to the main body. The maximum working pressure for most valves is around 450 psig and they support fluid temperatures from –40 F to +250 F. Almost all Alco shut off valves include a one-handed sealing that is extremely easy to turn.
Thermo Expansion Valves (Alco TXV’s)
TXV (thermostatic expansion valves) are the most famous of their products. Their services in the field of thermo expansion valves offer a large variety of products, including; A-series valves, AFA valves, HFK valves, T-series valves or TRAE+ valves. The A- Series offer stable and accurate control over a large variety of operating conditions, with their anti-leakage protective system, stainless steel power element and compact size. The TRAE+ series are designed for large capacity refrigeration, air conditioning and chiller applications. They feature a fully interchangeable cage assembly and a square body structure. Choosing the right thermostatic expansion valve is really up to your needs and preferences.
Temperature Pressure Controls (Alco TPC’s)
Temperature pressure controls are used for various purposes related to system protection and control. Compression cycling, defrost control, and pump-downs are all control appliances handled by temperature pressure controls. The protective side includes functions like excessive pressure cutting, freeze protection, pressure limiting or cut outs against loss of charge. Their temperature pressure controls are usually equipped with display pointers that indicate approximate settings (with a very low error).