Thermo expansion valves alco txvs txv thermostatic expansion valves are the most famous of their products. Coolselector2 helps you optimize energy consumption and increase efficiency in any hvacr system. The erze valve utilizes the kt45 element design for the higher pressures of r410a. New in box alco thermo expansion valve power assembly xb1019 hc3b. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The brass body comes with an inlet of 38 and an outlet of 12. Dec 17, 2018 whats inside a thermal expansion valve and how the thermostatic expansion valve or txv works in a hvac refrigeration system and the basic working principles that allow it to meter the flow of. Electronic expansion valves ex8m21 alco products made in czech republic, china trading company. Application nominal capacity r22 valve family service replacement style connections configuration port adjustable superheat internal hermetic check replaceable power element field assembled sae odf angle straight conventional balanced air. Alco spent this initial year primarily servicing and manufacturing components for the forestry industry and saw mills from its machine shop on. Thermal expansion valves tev alco tissw r404a hawco. To control refrigeration, air conditioning and heating systems emerson offers a broad range of expansion valves, filter driers, solenoid valves, oil management products, pressure transducers, thermostats, etc. This valve may also be applied in bidirectional applications.
Whats inside a thermal expansion valve txv how it works. Orifice cage flange sales nom duty kw model mop model no hrp code std angle cat. The software not only enables you to calculate and select both commercial and industrial components, it is also intuitive and easy to use. As alco valve distributors, we can provide you with the necessary information to help you choose the most suitable alco valves product for your requirements. Expansion valve txv valve thermostatic expansion valve. Electronic expansion valve carel danfoss emersonalco controls parkersporlan sanhua name name part number name part number name part number name part number kv m3h orifice mm in inch out inch in mm out mm capacity kw range r22 r4a r404a r407c. Electronic expansion valves ex8m21 alco china trading.
All components of alco controls, mechanical as well as electronic, are designed and manufactured to ensure maximum efficiency and. Having been involved in the oil, gas and power sectors since 1977, we hold many approvals from global oil and gas companies and adhere to iso9001 and a number of. The fixed area restrictor expansion device is simply a precisely formed restriction through which liquid refrigerant flows. Alco controls 74 sge127en1101 valve selection for operating conditions other than nominal conditions. Sporlan thermal expansion valves txvs are available in a variety of heat pumps, air conditioning, and refrigeration applications. Run unbiased calculations based on a set of operating conditions such as cooling capacity, refrigerant, evaporation, and condensation temperature and then select the best components for your design. The software offers complete pressure drop calculations. Expansion valves refrigerants compatibilities r410a, r4a, r22, r404a507, r407a, r407f, r1234ze, r448a, r449a, r450a, r5a evaporating temperature range 45 to 16c medium temperature range ts. Expansion devices can be divided into four general categories.
The emerson nxt series is a balanced ported valve designed for high efficiency r410a air conditioning and heat pump applications. Alco solenoid valve 401rb8f911 fast shipping warranty. Alco controls thermo expansion valves t, l, 935, zzseries technical bulletin 25. Thermostatic expansion valves control the flow of liquid refrigerant. For all export orders a member of our team will contact you to arrange shipping please note in some cases the alternatives might be under or over powered or dimensionally different, if you are unsure we recommend calling the office on 01483 869100. Alco valves design, manufacture and deliver trusted solutions for critical applications we manufacture trusted, highquality valves, which are used in critical applications worldwide. The tseries takeapart valves, with adjustable superheat and replaceable, interchangeable components are ideal for original equipment and field replacements in air. This one single valve revolutionized the industry and lessened the need to constantly check and adjust these machines. Replacement power element for hfe thermostatic expansion valve part nox26300hz1 refrigerant class. An experimental study of a direct expansion ground. Expansion valve cross reference thermostatic expansion valve cross reference interchangeable orifice nominal capacity tons connection alco sporlan parker virginia singer danfoss totaline replacement type orifice pn pn body orifice conn. How does an electronic expansion valve work eev exv. During the first year of manufacturing, only 500 alco expansion valves were created and sold. Refer to bulletin 109 for a complete discussion on the theory of operation and application of thermostatic expansion valves.
Coolselector2 works both offline and online, so it works wherever you do. The flare orifice in t2 and te2 can be used with a solder adaptor when the orifice filter is replaced with. Correction factor for pressure drop at valve correction tables for thermoexpansion valves. The ideal expansion device for most ac and refrigeration applications. Pressure equalizing flare hc14fw rcd12fw nif14 ff14 gf14 df14 ra14fa. Here you can find txv valves by emerson flow controls and parker haniffin which cover a capacity range from 12 ton to 100 tons. Whats inside a thermal expansion valve and how the thermostatic expansion valve or txv works in a hvac refrigeration system and the basic working principles that allow it to meter the flow of.
Designed to meet any challenge posed by air conditioning or refrigeration applications, parker offers a line of thermostatic expansion valves geared towards real world situations. The grabcad library offers millions of free cad designs, cad files, and 3d models. The software offers complete pressure drop calculations, shown graphically, as well as pipe and valve design analysis. Alco offer a number of different expansion valves for various refrigerant. However, if the filter drier is restricted enough, sometimes it will feel cool or cold to a technicians touch. It will give the same symptoms as a restricted txv since it, too, is in the liquid line. The same goes for pumping down a system to replace the expansion valve, only to find out that the system is still not working. Aautomatic expansion valve for small commercial re b alco thermostatic expansion valve. The symptoms of a restricted txv 20170109 achrnews.
A wide variety of alco thermostatic expansion valve options are available to you, such as refrigeration parts. The ex4ex8 are stepper motor driven valves that are optimized for the control of liquid or gaseous mass flow in refrigeration systems multifunction capability as expansion valve, hot gas bypass, suction gas throttling, head pressure, liquid line actuator and other applications systems. During that time, the alco valve company promoted its only product. Alco electronic expansion valves products including. Almost all alco shut off valves include a onehanded sealing that is extremely easy to turn. Ex4 ex5 ex6 ex7 ex8 alco controls electrical control. The manifold will isolate instrumentation from the process and allow venting for calibration removal from the circuit without effecting the process application and or recovery of a sample etc. Refer to bulletin 1011 for a complete discussion on installing and servicing thermostatic expansion valves. But some systematic troubleshooting, examining system pressures and temperatures, will likely lead to a solid diagnosis, a timely solution, and a satisfied customer.
Alcoefc, valve, thermostatic expansion, expansion valve, cartridge style, element shipping weight lbs. For a complete valve, the power assembly, orifice and flange must be selected and ordered separately. The filter drier is a very likely component to become restricted from moisture andor debris accumulation. Electronic expansion valve carel danfoss emerson alco controls parkersporlan sanhua name name part number name part number name part number name part number kv m3h orifice mm in inch out inch in mm out mm capacity kw range r22 r4a r404a r407c. Alco controls offers a full range of thermo expansion valves for heating and air conditioning applications. May 01, 2019 an assetliability committee alco, also known as surplus management, is a supervisory group a company employs for coordinating the management of assets and liabilities with a goal of earning. This includes a comprehensive range of types and fitting configurations, assuring tights seals and quality processes throughout production. Alco controls offers a full range of thermoexpansion valves for heating and air conditioning applications. Here you can find a thermostatic expansion valve for nearly any hvac job. Emerson flow control alco 055111 replacement parts. In this video were going to cover the basic working principles for how an electronic expansion valve works in a refrigeration system. The adaptor is for use with thermostatic expansion valves t2 and te2. For more information regarding any of our alco products, talk to one of our technical experts today. How eev works electronic expansion valve working principle.
Power head for hfe txv valves, r22, z charge low temp. Thermal expansion valves are designed for a wide range of air conditioning, refrigeration, heat pump, and chiller applications. An assetliability committee alco, also known as surplus management, is a supervisory group a company employs for coordinating the management of. Dec 06, 2000 the same goes for pumping down a system to replace the expansion valve, only to find out that the system is still not working. Thermostatic expansion valves alco 0604 emergency service number. Join the grabcad community today to gain access and download. Correction factor for evaporating and liquid temperature q o. When the adaptor is fitted correctly it meets the sealing requirements of din 8964. The exdu00 is a universal driver that enables the operation of emerson stepper motor driven valves used in applications such as solenoid valves, electronic expansion valves, hot gas bypass or evaporator pressure regulator as capacity control, crankcase pressure regulator, heat reclaim regulator, and liquid level control. Tr6 universal thermal expansion valve with connections.
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