Thermostatic expansion valves type TGE 10, TGE 20 and TGE 40
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- Madlyn Bruce
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1 MAKING MODERN LIVING POSSIBLE Technical brochure Thermostatic expansion valves TGE 0, TGE 20 and TGE 40 TGE is a dedicated designed series of thermostatic expansion valves for all standard refrigerants. The hermetic tight design meets the environmental demands for today and future. Versions for no standard refrigerants can be produced to order. Applications Air conditioning systems Heat pumps Water chillers Refrigerated containers Traditional refrigeration systems - and others Features Hermetic TXV for R22, R34a, R404A, R0, R40C, R40A Head pressure independent Version with MOP (Max. Operating Pressure) Straightway flow Balance port (BP) Low hysteresis Max. working pressure 46 bar/ 66 psi Lifetime for heat pump application Cylindrical bulb design with upgraded bulb strap Biflow with expansion in both directions Adjustable superheat setting Laser welded, stainless steel power element / capillary tube Mechanical connections (solder/flare, MIO, ORFS) available Capacity range: 3. to 4 (2.3 to 6 ) R40A Version with or without bleed function DKRCC.PD.AXV.A.02 / 20H499
2 Technical data Thermostatic charge for R40A, R22/R40C, R34a, R40C, R404A and R0: MAH C F For Air Conditioning applications N C without MOP F without MOP For refrigeration applications K 2 +0 C MOP + C +0 F MOP + 60 F For refrigeration applications Static superheat (SS): 4K /.2 F Type Inlet ODF solder Outlet ODF solder TGE 0 3 / 8, ½, / 8 / 8, / 8, - / 8 0, 2, 6 6, 22, 28 TGE 20 / 8, / 8, - / 8 / 8, / 8, - / 8, - 3 / 8 TGE 40 6, 22, 28 6, 22, 28, 3 Capillary tube length Type Capillary tube length TGE 0. m ft TGE 20. m or 3 m ft or 0 ft TGE 40. m or 3 m ft or 0 ft options In addition to the standard prograe, variants of following options may be available: - Refrigerants - Evaporator range - MOP point - Static superheat setting (0K / 0 F 8K / 4.4 F) - Flare connections Please contact your nearest Danfoss sales office to discuss valve options. Operating conditions Max. operating temperature - Thermostatic element MAH charge: 0 C / 302 F N charge: 00 C / 20 F (R40A) K charge: 0 C / 302 F (R40A) body: 0 C / 230 F Max. working pressure 46 bar / 66 psig Max. test pressure bar / 40 psig TGE valves are designed for biflow operations. MOP function Refrigerant R22 R40C R34a R40A R404A/ R0 Range K 2 +0 C / +0 F MOP point for evaporating temperature t e and evaporating pressure p e te = + C/+60 F 00 psig / 6.9 bar (abs) 9 psig / 6.6 bar (abs) psig / bar (abs) 6 psig /. bar (abs) 20 psig / 8.3 bar (abs) Identification Importat valve information is provided on the diaphragm element (fig. ) Main valve example: TGE = 9 = Q nom in tons of refrigeration 32 = Rated Q nom in R40A = Refrigerant 2 / +0 C = Evaporating temperature range ( C) / + 0 F = Evaporating temperature range ( F) 06N3006 = Code number MOP = Max. Operating Pressure PS 46 bar / MWP 66 psig = Max. Working Pressure in bar and psig BE22E = BE = China 22 = week = 20 E = friday Fig. Refrigerant code: R22 = X R40A = L R40C = Z R34a = N R404A/ R0 = S 2 DKRCC.PD.AXV.A.02 / 20H499
3 *) Units / Subcooling t Conditions evap t cond SI ( C) US ( F) * according to ARI standard TGE 0 TGE 20 TGE 40 Range N, K, MAH R34a R40C R404A R22 R40A Design and function. Bulb with capillary tube 2. Thrust pad 3. Thermostatic element 4. Push pin seal. Two-way balance port 6. Static superheat adjustment spindle. body 8. Protective cap Fig. Balanced port design Adjustable setting Fig. 6 Balanced port design Biflow and adjustable setting The central push pin is fitted with a robust seal (4) that ensures maximum tightness for the life of the valve. Static superheat (SS) can be adjusted by the setting spindle (6), see fig.. The standard superheat setting (SS) is 4K /.2 F and adjustable for 0 8K / F. SS = static superheat OS = opening superheat SH = SS+OS= total superheat Example: Static superheat SS = 4K /.2 F (factory setting) Opening superheat OS = 4K/.2 F The opening superheat is 4K, i.e. from the point the valve begins to open up to nominal. Opening superheat is determined by the design and cannot be changed. Total superheat SH = SS+OS SH = 4+4 = 8K/ 4.4 F Total superheat SH can be altered by changing SS (by using the setting spindle). Balanced port design and advantage The TGE series of thermostatic expansion valves have balanced port design. Balanced port design prevents changes in pressure drop across the valve from influencing Fig. operation and provides excellent control on applications having widely varying operating conditions. Balanced port TXV s are recoended in refrigeration and air conditioning systems with any combinations of these conditions: ) Widely varying head pressures Widely varying evaporator loads 3) Widely varying pressure drop across the TXV 4) Fluctuating or extremely low liquid temperatures ) Intermittent liquid line flash gas DKRCC.PD.AXV.A.02 / 20H499 3
4 Application TGE Fig. 2 is a diagram of a traditional refrigeration plant where TGE is used for flow in one direction only. EVR Fig. 2 Traditional refrigeration plant SGI/SGN DCL/DML Indoor coil TGE 4-way valve SGI/SGN DCB/DMB Outdoor coil TGE Fig. 3 is a conventional split heat pump system shown in cooling mode. This system has two TGE thermostatic expansion valves with fixed direction flow. An NRV check valve is placed in series with each TGE to allow liquid refrigerant to bypass when flow is opposite the TXV fixed direction. NRV Fig. 3 Conventional system with suer/winter operation NRV Indoor coil DCR TGE Fig. 4 Simplified heat pump system Outdoor coil Fig. 4 is a heat pump system similar to that in fig. 3 but with a more compact design, where the distance between evaporator and condenser is very short. This system has only one bi-flow TGE valve metering liquid refrigerant effectively in both directions. Changeover is by means of a 4-way valve. A suction filter drier is often placed in suction lines just before the compressor. The normal flow direction of TGE is determined by the primary function, i.e. cooling or heating. Ordering The valve and bulb straps are supplied in industrial s or multi s:, TGE 0 / 2 pcs, TGE 20 / 8 pcs, TGE 40 / 8 pcs Multi, TGE 0 / 2 pcs Multi, TGE 20 / 8 pcs Multi, TGE 40 / 6 pcs 4 DKRCC.PD.AXV.A.02 / 20H499
5 Ordering Standard range Range N = C OS = 4 K Multi R22/R40C version Multi TGEX / 8 / 8 06N20 06N N290 06N220 TGEX / 2 / 8 06N2 06N N29 06N22 TGEX / 2 / 8 06N22 06N N292 06N222 TGEX / 2 / 8 06N23 06N N293 06N223 TGEX / 2 / 8 06N24 06N N294 06N224 TGEX / 8 / 8 06N2 06N N29 06N22 TGEX / 8 / 8 06N26 06N N296 06N226 TGEX 0 38 / 8 / 8 06N2 06N N29 06N22 TGEX 0 38 / 8 / 8 06N28 06N N298 06N228 TGEX / 8 / 8 06N29 06N N299 06N229 TGEX / 8 / 8 06N260 06N N N2220 TGEX / 8 / 8 06N26 06N N220 06N222 TGEX / 8 / 8 06N262 06N N N2222 TGEX / 8 / 8 06N263 06N N N2223 TGEX / 8 3 / 8 06N264 06N N N2224 TGEX / 8 3 / 8 06N26 06N N220 06N222 TGEX / 8 3 / 8 06N266 06N N N2226 TGEX / 8 3 / 8 06N26 06N N220 06N222 TGEX / 8 3 / 8 06N268 06N N N2228 TGEX / 8 3 / 8 06N269 06N N N2229 Range K = 2 +0 C with MOP 00 psig/ 6.9 bar abs. OS = 4 K Multi version Multi TGEX / 8 / 8 06N N N N2060 TGEX / 2 / 8 06N200 06N N204 06N206 TGEX / 2 / 8 06N N N N2062 TGEX / 2 / 8 06N N N N2063 TGEX / 2 / 8 06N N N N2064 TGEX / 8 / 8 06N200 06N N204 06N206 TGEX / 8 / 8 06N N N N2066 TGEX 0 38 / 8 / 8 06N200 06N N204 06N206 TGEX 0 38 / 8 / 8 06N N N N2068 TGEX / 8 / 8 06N N N N2069 TGEX / 8 / 8 06N200 06N N200 06N200 TGEX / 8 / 8 06N20 06N N20 06N20 TGEX / 8 / 8 06N202 06N N202 06N202 TGEX / 8 / 8 06N203 06N N203 06N203 TGEX / 8 3 / 8 06N204 06N N204 06N204 TGEX / 8 3 / 8 06N20 06N N20 06N20 TGEX / 8 3 / 8 06N206 06N N206 06N206 TGEX / 8 3 / 8 06N20 06N N20 06N20 TGEX / 8 3 / 8 06N208 06N N208 06N208 TGEX / 8 3 / 8 06N209 06N N209 06N209 ) Pressure equalisation = / 4 in (6 ) ODF The nominal is based on: ARI standard Evaporating temperature, T e = 4.4 C, Liquid temperature, T l = 3 C Condensing temperature, T c = 38 C, Openning surperheat, OS = 4K R22/R40C DKRCC.PD.AXV.A.02 / 20H499
6 Ordering Standard range (continued) Range N = C OS = 4 K ODF ODF ) Multi version Multi R34a TGEN / 8 / 8 06N0 06N N90 06N20 TGEN / 2 / 8 06N 06N N9 06N2 TGEN / 2 / 8 06N2 06N N92 06N22 TGEN / 2 / 8 06N3 06N N93 06N23 TGEN / 2 / 8 06N4 06N N94 06N24 TGEN / 8 / 8 06N 06N N9 06N2 TGEN / 8 / 8 06N6 06N N96 06N26 TGEN 0 24 / 8 / 8 06N 06N N9 06N2 TGEN 0 24 / 8 / 8 06N8 06N N98 06N28 TGEN / 8 / 8 06N9 06N N99 06N29 TGEN / 8 / 8 06N60 06N N200 06N220 TGEN / 8 / 8 06N6 06N N20 06N22 TGEN / 8 / 8 06N62 06N N202 06N222 TGEN / 8 / 8 06N63 06N N203 06N223 TGEN / 8 3 / 8 06N64 06N N204 06N224 TGEN / 8 3 / 8 06N6 06N N20 06N22 TGEN / 8 3 / 8 06N66 06N N206 06N226 TGEN / 8 3 / 8 06N6 06N N20 06N22 TGEN / 8 3 / 8 06N68 06N N208 06N228 TGEN / 8 3 / 8 06N69 06N N209 06N229 Range K = 2 +0 C with MOP psig/ bar abs. OS = 4 K Multi ODF ODF ) ODF ODF ) version Multi R34a TGEN / 8 / 8 06N000 06N N040 06N060 TGEN / 2 / 8 06N00 06N N04 06N06 TGEN / 2 / 8 06N002 06N N042 06N062 TGEN / 2 / 8 06N003 06N N043 06N063 TGEN / 2 / 8 06N004 06N N044 06N064 TGEN / 8 / 8 06N00 06N N04 06N06 TGEN / 8 / 8 06N006 06N N046 06N066 TGEN 0 24 / 8 / 8 06N00 06N N04 06N06 TGEN 0 24 / 8 / 8 06N008 06N N048 06N068 TGEN / 8 / 8 06N009 06N N049 06N069 TGEN / 8 / 8 06N00 06N N00 06N00 TGEN / 8 / 8 06N0 06N N0 06N0 TGEN / 8 / 8 06N02 06N N02 06N02 TGEN / 8 / 8 06N03 06N N03 06N03 TGEN / 8 3 / 8 06N04 06N N04 06N04 TGEN / 8 3 / 8 06N0 06N N0 06N0 TGEN / 8 3 / 8 06N06 06N N06 06N06 TGEN / 8 3 / 8 06N0 06N N0 06N0 TGEN / 8 3 / 8 06N08 06N N08 06N08 TGEN / 8 3 / 8 06N09 06N N09 06N09 ) Pressure equalisation = / 4 in (6 ) ODF The nominal is based on: ARI standard Evaporating temperature, T e = 4.4 C, Liquid temperature, T l = 3 C Condensing temperature, T c = 38 C, Openning surperheat, OS = 4K 6 DKRCC.PD.AXV.A.02 / 20H499
7 Ordering Standard range (continued) Range N = C OS = 4 K Screw In. version Multi R34a TGEN / 2 / 8 / 4 MIO 06N0 TGEN / 2 / 8 / 4 Flare 06N TGEN / 2 / 8 / 4 MIO 06N2 TGEN / 8 ½ MIO / 4 F 06N3 TGEN / 8 ½ / 4 Flare 06N4 TGEN / 8 ½ / 4 Flare 06N TGEN / 2 / 8 / 4 Flare 06N6 TGEN / 2 / 8 / 4 Flare 06N TGEN / 8 ½ MIO / 4 F 06N8 TGEN / 8 ½ / 4 Flare 06N9 TGEN / 8 ½ / 4 Flare 06N60 TGEN ½ / 8 / 4 MIO 06N6 TGEN 0 24 ½ / 8 / 4 Flare 06N62 TGEN ½ / 8 / 4 Flare 06N63 TGEN / 8 ½ MIO / 4 F 06N64 TGEN / 8 3 / 4 / 4 MIO 06N6 TGEN 0 24 / 8 3 / 4 / 4 MIO 06N66 TGEN / 8 3 / 4 / 4 MIO 06N6 TGEN / 8 3 / 4 / 4 Flare 06N68 TGEN / 8 3 / 4 / 4 MIO 06N0 Range K = 2 +0 C with MOP psig/ bar abs. OS = 4 K Screw Multi R34a TGEN / 8 ½ / 4 F 06N000 TGEN / 8 ½ / 4 F 06N003 TGEN / 8 ½ / 4 F 06N00 TGEN / 2 / 8 / 4 F 06N004 TGEN / 2 / 8 / 4 F 06N00 TGEN / 2 / 8 / 4 F 06N008 TGEN / 8 3 / 4 / 4 F 06N03 TGEN 0 24 / 8 3 / 4 / 4 F 06N06 TGEN / 8 3 / 4 / 4 F 06N08 TGEN / 8 3 / 4 / 4 F 06N020 TGEN / 8 3 / 4 / 4 F 06N02 TGEN / 8 ½ MIO / 4 F 06N00 TGEN ½ / 8 / 4 MIO 06N002 TGEN ½ / 8 / 4 MIO 06N00 TGEN ½ / 8 / 4 MIO 06N0 TGEN ½ / 8 MIO / 4 F 06N006 TGEN ½ / 8 MIO / 4 F 06N009 TGEN / 8 3 / 4 / 4 MIO 06N02 TGEN 0 24 / 8 3 / 4 / 4 MIO 06N0 TGEN / 8 3 / 4 / 4 MIO 06N0 TGEN / 8 3 / 4 / 4 MIO 06N09 TGEN / 8 ½ ORFS / 4 F 06N040 TGEN / 8 ½ ORFS / 4 F 06N04 TGEN / 8 ½ ORFS / 4 F 06N042 TGEN / 8 3 / 4 ORFS / 4 F 06N043 TGEN / 8 3 / 4 ORFS / 4 F 06N044 ) The nominal is based on: ARI standard Evaporating temperature, T e = 4.4 C, Liquid temperature, T l = 3 C Condensing temperature, T c = 38 C, Openning surperheat, OS = 4K F: Flare MIO: Male inserts O-ring ORFS: O-ring face seal DKRCC.PD.AXV.A.02 / 20H499
8 Ordering Standard range (continued) Range N = C OS = 4 K R40C Multi version Multi TGEZ / 8 / 8 06N40 06N N490 06N420 TGEZ / 2 / 8 06N4 06N N49 06N42 TGEZ / 2 / 8 06N42 06N N492 06N422 TGEZ / 2 / 8 06N43 06N N493 06N423 TGEZ / 2 / 8 06N44 06N N494 06N424 TGEZ / 8 / 8 06N4 06N N49 06N42 TGEZ / 8 / 8 06N46 06N N496 06N426 TGEZ / 8 / 8 06N4 06N N49 06N42 TGEZ / 8 / 8 06N48 06N N498 06N428 TGEZ / 8 / 8 06N49 06N N499 06N429 TGEZ / 8 / 8 06N460 06N N N4220 TGEZ / 8 / 8 06N46 06N N420 06N422 TGEZ / 8 / 8 06N462 06N N N4222 TGEZ / 8 / 8 06N463 06N N N4223 TGEZ / 8 3 / 8 06N464 06N N N4224 TGEZ / 8 3 / 8 06N46 06N N420 06N422 TGEZ / 8 3 / 8 06N466 06N N N4226 TGEZ / 8 3 / 8 06N46 06N N420 06N422 TGEZ / 8 3 / 8 06N468 06N N N4228 TGEZ / 8 3 / 8 06N469 06N N N4229 Range K = 2 +0 C with MOP 9 psig/ 6.6 bar abs. OS = 4 K Multi version Multi R40C TGEZ / 8 / 8 06N N N N4060 TGEZ / 2 / 8 06N400 06N N404 06N406 TGEZ / 2 / 8 06N N N N4062 TGEZ / 2 / 8 06N N N N4063 TGEZ / 2 / 8 06N N N N4064 TGEZ / 8 / 8 06N400 06N N404 06N406 TGEZ / 8 / 8 06N N N N4066 TGEZ / 8 / 8 06N400 06N N404 06N406 TGEZ / 8 / 8 06N N N N4068 TGEZ / 8 / 8 06N N N N4069 TGEZ / 8 / 8 06N400 06N N400 06N400 TGEZ / 8 / 8 06N40 06N N40 06N40 TGEZ / 8 / 8 06N402 06N N402 06N402 TGEZ / 8 / 8 06N403 06N N403 06N403 TGEZ / 8 3 / 8 06N404 06N N404 06N404 TGEZ / 8 3 / 8 06N40 06N N40 06N40 TGEZ / 8 3 / 8 06N406 06N N406 06N406 TGEZ / 8 3 / 8 06N40 06N N40 06N40 TGEZ / 8 3 / 8 06N408 06N N408 06N408 TGEZ / 8 3 / 8 06N409 06N N409 06N409 ) Pressure equalisation = / 4 in (6 ) ODF The nominal is based on: ARI standard Evaporating temperature, T e = 4.4 C, Liquid temperature, T l = 3 C Condensing temperature, T c = 38 C, Openning surperheat, OS = 4K 8 DKRCC.PD.AXV.A.02 / 20H499
9 Ordering Standard range (continued) Capacity in for MAH 30 C/+ C at 4 K static superheat SS R40C s ODFxODF Multi version Multi TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ TGEZ / 8 / 8 06N N x 6 06N N9660 / 2 / 8 06N960 06N962 2 x 6 06N964 06N966 / 2 / 8 06N N x 22 06N N9662 / 2 / 8 06N N x 6 06N N9663 / 2 / 8 06N N x 22 06N N9664 / 8 / 8 06N960 06N962 6 x 22 06N964 06N966 / 8 / 8 06N N x 22 06N N9666 / 8 / 8 06N960 06N962 6 x 22 06N964 06N966 / 8 / 8 06N N x 28 06N N9668 / 8 / 8 06N N x 22 06N N9669 / 8 / 8 06N960 06N x 28 06N960 06N960 / 8 / 8 06N96 06N963 6 x 28 06N96 06N96 / 8 / 8 06N962 06N x 28 06N962 06N962 / 8 / 8 06N963 06N x 28 06N963 06N963 / 8 3 / 8 06N964 06N x 3 06N964 06N964 / 8 3 / 8 06N96 06N x 3 06N96 06N96 TGEZ / 8 3 / 8 06N966 06N x 3 06N966 06N966 TGEZ / 8 3 / 8 06N96 06N x 3 06N96 06N96 TGEZ / 8 3 / 8 06N968 06N x 3 06N968 06N968 TGEZ / 8 3 / 8 06N969 06N x 3 06N969 06N969 ) Pressure equalisation = / 4 in (6 ) ODF The nominal is based on: ARI standard Evaporating temperature, T e = 4.4 C, Liquid temperature, T l = 3 C Condensing temperature, T c = 38 C, DKRCC.PD.AXV.A.02 / 20H499 9
10 Ordering Standard range (continued) Range N = C OS = 4 K R40A Multi version Multi TGEL / 8 / 8 06N30 06N N390 06N320 TGEL / 2 / 8 06N3 06N N39 06N32 TGEL / 2 / 8 06N32 06N N392 06N322 TGEL / 2 / 8 06N33 06N N393 06N323 TGEL / 2 / 8 06N34 06N N394 06N324 TGEL / 8 / 8 06N3 06N N39 06N32 TGEL / 8 / 8 06N36 06N N396 06N326 TGEL / 8 / 8 06N3 06N N39 06N32 TGEL / 8 / 8 06N38 06N N398 06N328 TGEL / 8 / 8 06N39 06N N399 06N329 TGEL / 8 / 8 06N360 06N N N3220 TGEL / 8 / 8 06N36 06N N320 06N322 TGEL / 8 / 8 06N362 06N N N3222 TGEL / 8 / 8 06N363 06N N N3223 TGEL / 8 3 / 8 06N364 06N N N3224 TGEL / 8 3 / 8 06N36 06N N320 06N322 TGEL / 8 3 / 8 06N366 06N N N3226 TGEL / 8 3 / 8 06N36 06N N320 06N322 TGEL / 8 3 / 8 06N368 06N N N3228 TGEL / 8 3 / 8 06N369 06N N N3229 Range K = 2 +0 C with MOP 6 psig/. bar abs. OS = 4 K R40A Multi version Multi TGEL / 8 / 8 06N N N N3060 TGEL / 2 / 8 06N300 06N N304 06N306 TGEL / 2 / 8 06N N N N3062 TGEL / 2 / 8 06N N N N3063 TGEL / 2 / 8 06N N N N3064 TGEL / 8 / 8 06N300 06N N304 06N306 TGEL / 8 / 8 06N N N N3066 TGEL / 8 / 8 06N300 06N N304 06N306 TGEL / 8 / 8 06N N N N3068 TGEL / 8 / 8 06N N N N3069 TGEL / 8 / 8 06N300 06N N300 06N300 TGEL / 8 / 8 06N30 06N N30 06N30 TGEL / 8 / 8 06N302 06N N302 06N302 TGEL / 8 / 8 06N303 06N N303 06N303 TGEL / 8 3 / 8 06N304 06N N304 06N304 TGEL / 8 3 / 8 06N30 06N N30 06N30 TGEL / 8 3 / 8 06N306 06N N306 06N306 TGEL / 8 3 / 8 06N30 06N N30 06N30 TGEL / 8 3 / 8 06N308 06N N308 06N308 TGEL / 8 3 / 8 06N309 06N N309 06N309 ) Pressure equalisation = / 4 in (6 ) ODF The nominal is based on: ARI standard Evaporating temperature, T e = 4.4 C, Liquid temperature, T l = 3 C Condensing temperature, T c = 38 C, Openning surperheat, OS = 4K 0 DKRCC.PD.AXV.A.02 / 20H499
11 Ordering Standard range (continued) Capacity in for MAH 30 C/+ C at 4 K static superheat SS R40A Multi version Multi TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL TGEL / 8 / 8 06N920 06N N924 06N926 / 2 / 8 06N920 06N N924 06N926 / 2 / 8 06N N N N9262 / 2 / 8 06N N N N9263 / 2 / 8 06N N N N9264 / 8 / 8 06N N N N9260 / 8 / 8 06N N N N9266 / 8 / 8 06N920 06N N924 06N926 / 8 / 8 06N N N N9268 / 8 / 8 06N N N N9269 / 8 / 8 06N920 06N N920 06N920 / 8 / 8 06N92 06N N92 06N92 / 8 / 8 06N922 06N N922 06N922 / 8 / 8 06N923 06N N923 06N923 / 8 3 / 8 06N924 06N N924 06N924 / 8 3 / 8 06N92 06N N92 06N92 TGEL / 8 3 / 8 06N926 06N N926 06N926 TGEL / 8 3 / 8 06N92 06N N92 06N92 TGEL / 8 3 / 8 06N928 06N N928 06N928 TGEL / 8 3 / 8 06N929 06N N929 06N929 ) Pressure equalisation = / 4 in (6 ) ODF The nominal is based on: ARI standard Evaporating temperature, T e = 4.4 C, Liquid temperature, T l = 3 C Condensing temperature, T c = 38 C, DKRCC.PD.AXV.A.02 / 20H499
12 Sizing 4 TGE p e ~t e Q e EVR SGI/SGN DCL/DML Fig. 8 Sizing examples (SI and US) Refrigerant: R40A Evaporator : Q e = 30 / 8.6 Evaporator with several circuits, i.e. a valve with distributor is required Evaporating temperature: t e = 0 C/ 32 F p e = 8 bar / 6 psi Condensing temperature: t c = +36 C / 96.8 F p c = 22 bar / 39 psi Refrigrant liquid temperature: t l = +26 C / 8.8 F Subcooling: t sub = = 0 K / 96.8 F 8.8 F = 8 F Pressure drop p 2 in the liquid distributor can also be assumed as.0 bar / 4. psi. The correction factor at t sub (fsub) = 0 K /8 F is.09. The correction factor at distributer (fp) = The corrected evaporator thus 30 / 8.6 divided by.09 and 0.96 = 28. /8.2. Since the of the expansion valve must be equal to or slightly higher than the corrected evaporator of 28. / 8.2, a TGE 0 orifice 08 giving 3.3 / 8.9 would be a suitable choice (See tables below). Capacity in. Range N: -40 C to +0 C. Range K: -2 C to + 0 C. Opening superheat sh= 4 K Cond. temp. Capacity [] [ C] R40A TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE Subcooling correction factor fsub Subcooling [K] Correction factor Distributer correction factor* Evaporating temp Pressure 0,9 0,9 0,9 0,9 0,9 0,9 0,96 0,96 0,96 0,9 0,94 0,93 drop, 0,96 0,96 0,96 0,9 0,9 0,9 0,9 0,94 0,93 0,93 0,9 0,89 [bar] 2 0,94 0,94 0,94 0,94 0,93 0,93 0,93 0,92 0,9 0,90 0,88 0,8 *calculated at 32 C condensing temperature 2 DKRCC.PD.AXV.A.02 / 20H499
13 Capacity in. Range N: -40 C to +0 C. Range K: -2 C to + 0 C. Opening superheat sh= 4 K R22 Cond. temp. Capacity [] [ C] TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE Subcooling correction factor fsub Subcooling [K] Correction factor Distributer correction factor (fp)* Evaporating temp Pressure drop [bar] *calculated at 32 C condensing temperature DKRCC.PD.AXV.A.02 / 20H499 3
14 Capacity in. Range N: -40 C to +0 C. Range K: -2 C to + 0 C. Opening superheat sh= 4 K R34a Cond. temp. Capacity [] [ C] TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE Subcooling correction factor fsub Subcooling [K] Correction factor Distributer correction factor (fp)* Evaporating temp Pressure drop [bar] *calculated at 32 C condensing temperature 4 DKRCC.PD.AXV.A.02 / 20H499
15 Capacity in. Range N: -40 C to +0 C. Range K: -2 C to + 0 C. Opening superheat sh= 4 K R404A/R0 Cond. temp. Capacity [] [ C] TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE Subcooling correction factor fsub Subcooling [K] Correction factor Distributer correction factor (fp)* Evaporating temp Pressure drop [bar] *calculated at 32 C condensing temperature DKRCC.PD.AXV.A.02 / 20H499
16 Capacity in. Range N: -40 C to +0 C. Range K: -2 C to + 0 C. Opening superheat sh= 4 K R40C Cond. temp. Capacity [] [ C] TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE Subcooling correction factor fsub Subcooling [K] Correction factor Distributer correction factor (fp)* Evaporating temp Pressure drop [bar] *calculated at 32 C condensing temperature 6 DKRCC.PD.AXV.A.02 / 20H499
17 Capacity in. Range N: -40 C to +0 C. Range K: -2 C to + 0 C. Opening superheat sh= 4 K R40A Cond. temp. Capacity [] [ C] TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE TGE Subcooling correction factor fsub Subcooling [K] Correction factor Distributer correction factor (fp)* Evaporating temp Pressure 0,9 0,9 0,9 0,9 0,9 0,9 0,96 0,96 0,96 0,9 0,94 0,93 drop, 0,96 0,96 0,96 0,9 0,9 0,9 0,9 0,94 0,93 0,93 0,9 0,89 [bar] 2 0,94 0,94 0,94 0,94 0,93 0,93 0,93 0,92 0,9 0,90 0,88 0,8 *calculated at 32 C condensing temperature DKRCC.PD.AXV.A.02 / 20H499
18 Dimensions and weights Fig. 9 Type TGE 0 inlet outlet ODF solder 3 /8 /8 0 6 /2 /8 2 6 Capillary tube length m H H 2 H 3 H 4 L 4. L 2 4. /2 / /8 /8 4. /8 / /8 / L 3 L 4 ØD ØD 2 Weight kg /8 / /8 / TGE 20 /8 / /8 / /8 3 / TGE 40 /8 3 / /8 / /8 3 / Type TGE 0 inlet outlet ODF solder 3 /8 /8 0 6 /2 /8 2 6 Capillary tube length ft H in /2 / /8 /8.9 /8 / /8 /8 H 2 in H 3 in H 4 in L in.63.9 L 2 in L 3 L 4 ØD ØD 2 Weight in in in in lbs /8 / /8 / TGE 20 /8 / /8 / /8 3 / /8 3 / TGE 40 /8 / /8 3 / DKRCC.PD.AXV.A.02 / 20H499 Danfoss A/S, (AC-SMC / bpv),
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