Older cooling unit designs used a fixedarea restrictiontype expansion device such as a plug orifice or a capillary tube. Te 55 is supplied as a parts program with a wide range of valve bodies. This document and other information from parkerhannifin corporation, its subsidiaries and authorized distributors provide product or system options for further investigation by users having. The exchangeable power element is produced with the well known danfoss laser welding technology for extended lifetime capability. Balanced port thermostatic expansion valve selection chart for chandler. View sanhua rfkh series thermostatic expansion valve orifice. With danfoss thermostatic expansion valves, you can expect precise operation and long.
Valve body with connections the orifice is refrigerant and range independend. Valve body head valve base orifice cartridge with strainer pressure equaliser series tlex 4. Buy danfoss 068z340300 thermal expansion valve tes2 r404a less orifice for danfoss 881076. Do you have any programs or mobile apps to assist with part selection. Jun 03, 2014 how txv works thermostatic expansion valve working principle, hvac basics vrv heat pump duration. Expansion valve for ac and refrigeration browse txv. Data sheet thermostatic expansion valves type te 5 te 55.
Valves with fixed orifice thermostatic expansion valves with fixed orifice are used pre ferentially for serial produced. Technical brochure thermostatic expansion valves, type tuatuae making modern living possible. The danfoss t2te2 thermostatic expansion valves provide efficient control of the injection of refrigerant liquid into evaporators in food retail refrigeration applications. Tge thermostatic expansion valves, fixed orifice tge is an innovatively designed series of thermostatic expansion valves for fluorinated refrigerants. Tgetype thermal expansion valve is the use of a number of innovative technologies designed specifically for thermal expansion valve series for.
Thermostatic expansion valves are rated in tons of refrigeration capacity based on the size of the metering orifice in the device. Refer to bulletin 109 for a complete discussion on the theory of operation and application of thermostatic expansion valves. How txv works thermostatic expansion valve working principle, hvac basics vrv heat pump duration. The akv 10 valves covers a capacity range from 1 kw to 16 kw r22 and are divided up. The tu stainless steel thermostatic expansion valves allow you to control the refrigerant flow to the evaporator. Tih thermo expansion valves designed for heat pumps, air conditioning. The valve opens slowly as bulb temperature rises and closes quickly as bulb temperature fails. For a complete valve, the power assembly, orifice and flange must be selected and ordered separately. Technical brochure thermostatic expansion valves t2. Tr6 thermostatic expansion valve kits danfoss tr6 kits include a valve, aeroquip, chatleff, and 3. Danfoss 068z340300 thermal expansion valve tes2 r404a less. Carel electronic expansion valves are designed to meet any cooling capacity requirements up to 2000 kw in airconditioning and refrigeration applications, and stand out above all for their excellent flow control, even at lower flowrates.
Danfoss tx valve orifice tuatuae airefrig part number orifice number nominal capacity in kw range n. Programs or selection tables from expansion valve manufacturers can be used to find a suitable size based on the calculated pressure drop over the tev and the nominal refrigeration capacity. Tex 2 with orifice 01, two code numbers are 1 thermostatic element required. The movement of the pushpins depends on the pressure on the diaphragm, which is opposed by the force of a spring. Coolselector2 helps you optimize energy consumption and increase efficiency in any hvacr system. T2 te2 thermostatic expansion valves, exchangeable orifice. The adaptor is for use with thermostatic expansion valves t2 and te2.
Stainless steel bulb and danfoss patented bulb strap fast and easy to install. The replaceable orifice 2 design permits easy sizing of the valve from 110 to 4. Danfoss range of thermostatic expansion valves are designed to ensure a precise control of the injection of refrigerant liquid into evaporators. Identification the thermostatic element is fitted with a laser.
T2 and te2 valves have an interchangeable orifice assembly. Valves for special temperature ranges can be supplied. For example, if the valve is used on the r12 refrigerant system, the following occurs. Contractor hub everything you need in one place danfoss. Tih thermoexpansion valves designed for heat pumps, air conditioning, small chillers, precision cooling and refrigeration.
An expansion valve is a piece of device that helps in reducing pressure in the system. N, c, ec, sc ebs, o h, ha hc, hca bleed denoted by b. Pressure equalizing flare hc14fw rcd12fw nif14 ff14 gf14 df14 ra14fa. To ensure long operating life, the valve cone and seat are made of a special alloy with particularly good wear properties. Design protected thermostatic expansion valves regulate the injection of refrigerant liquid into evaporators. Automatic expansion valves parker a series parker na.
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. The danfoss contractor hub is the hvacr contractors onestop digital. Technical brochure thermostatic expansion valves t2 te2. General characteristics electronic expansion valves summary of selection guide. Dec 06, 2000 the valve body, with one or more pushpins operated by the diaphragm. Thermo expansion valve series t with exchangeable power assemblies and orifices. Hvac danfoss thermostatic expansion valves tgex11 067n2157 r22 r407c25. Balanced port thermostatic expansion valve selection chart for heat transfer products group unit coolers. Orifice assemblies with filters, designed for use with either solder adapter product configurations or standard product. Kooltech ltd registered office strathaird, 12 mossland rd, hillington park, glasgow, g52 4xz.
Refer to bulletin 1011 for a complete discussion on installing and servicing thermostatic expansion valves. Stop valve shutoff valve sight glass expansion valve orifice. The new castel 22 series are designed to work with interchangeable orifice assembly, to provide flexibility in selection of capacities, and can be used in a wide range of. Thermostatic expansion valve tev install, inspect, diagnose. Note that the extra pressure drop over the distribution system, dpdist, will decrease the actual pressure difference over the tev, which often means that a. Thermostatic expansion valve installation or repair guide. The akv valves can be used for hcfc and hfc, r744 refrigerants. In this video i go over sporlan txv selection for refrigeration applications. In the danfoss range of thermostatic expansion valves you can find the product to match. Thermostatic expansion valve selection chart for l. Danfoss thermostatic expansion valves danfoss type tuatuae tuatuae range 16 to 412 tr r22 features type tuatuae is available with interchangeable orifice assembly and removable strainer in a straightway design. The injection is controlled by the refrigerant superheat.
The expansion device regulates the amount of refrigerant that flows into the evaporator, which determines the superheating at the evaporator outlet. This type of expansion valve is usually used in heating, air conditioning and ventilation system. Sep 22, 2015 in this video i go over sporlan txv selection for refrigeration applications. Parker a series automatic expansion valves control downstream refrigerant pressure. How do i know what orifice is installed in a tuae type thermostatic expansion valve. T2 selection and installation guide 1 valve body internal. Danfoss thermostatic radiator valves, ra 2000 thermostatic radiator valves regulate the flow of hot water of hot water or steam through freestanding radiators, baseboards or convectors in hot water and twopipe low pressure steam systems. The flare orifice in t2 and te2 can be used with a solder adaptor when the orifice filter is replaced with a. All valves have a balanced port design which reduces the influence from varying condensing pressures.
Fitters notes thermostatic expansion valves contents page. The new castel 22 series are designed to work with interchangeable orifice assembly, to provide flexibility in. Sanhua rfkh series thermostatic expansion valve orifice. Mop ballast charge thermostatic expansion valve selection the thermostatic expansion valve can be selected when the following are known. Tge has copper connections upgraded to highpressure applications for hermetically tight soldering, and is available with a wide variety of connection types and sizes. Expansion valves thermostatic expansion valves with fixed orifice thermostatic expansion valves with fixed orifice are used pre ferentially for serial produced systems.
The valve senses the refrigerant level and, when needed, injects liquid to keep the air conditioning system working at an optimum level. Thermostatic expansion valves alco 0604 emergency service number. Thermoexpansion valve series t with exchangeable power assemblies and orifices. Valve series orifice type angle style straight through connection inlet x outlet. The fixed area restrictor expansion device is simply a precisely formed restriction through which liquid refrigerant flows. Kooltech ltd registered office strathaird, 12 mossland rd, hillington park, glasgow, g52 4xz, registered in scotland company registration number 293806 vat. Akv are electrically operated expansion valves designed for refrigerating plant. The akv valves are supplied as a component programme, as follows. Alco controls thermoexpansion valves t, l, 935, zzseries technical bulletin 25. Danfoss honeywell orifice size capacity kw capacity tons series 0. Castel thermostatic expansion valves series 22 regulate the flow of refrigerant liquid into evaporators. Danfoss danfoss thermostatic danfoss radiator valves. Therefore the valves are especially suitable for liquid injection in dry evaporators where the superheat at the evaporator outlet is proportional to the evaporator load.
Injection is controlled by the refrigerant superheat. Alco controls thermoexpansion valves t, l, 935, zzseries. Electronic expansion valves stators cables accessories. Danfoss 2005 points out that the expansion valve itself is installed in the liquid refrigerant line ahead of the evaporator coil. Coolselector2 features unbiased calculations for the selection of refrigeration and air. Thermostatic expansion valve tev install, test, repair. They also protect the compressor motor against liquid refrigerant entering it. Expansion valve guides to choose a expansion valve. Thermal expansion valves empower refrigeration efficiency.
All valves are equipped with external pressure equalization. Replaceable orifice 2 introduction and overview danfoss tuatuae are stainless steel 1 thermostatic expansion valves designed for use in a wide range of applications with several contractor friendly features builtin. The valves are offered in rated capacities up to 4. Tuatuae refrigeration thermal expansion valve orifice size 0 068u1030 tuatuae refrigeration thermal expansion valve orifice size 0 sku. When the adaptor is fitted correctly it meets the sealing requirements of din 8964. The flare orifice in t2 and te2 can be used with a solder adaptor when the orifice filter is replaced with a specific filter intended for solder adaptors. Two common examples of this type of device are the capillary tube, or cap tube, and the short tube restrictor, or plug orifice. Akv 10 valve complete with orifice danfoss akv electronic expansion valves akv are electrically operated expansion valves designed for refrigerating plant. One of the most common types of expansion valve is the thermostatic expansion valve or the tmv. Add to cart add to cart add to cart add to cart customer rating. T2 te2 quick selection sheet danfoss refrigeration. They can be used in hot gas bypass, expansion, or freeze protection applications. Tuatuae refrigeration thermal expansion valve orifice.