TTE 2 Thermostatic Expansion Valves TTE 2 Product
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T/TE 2 Thermostatic Expansion Valves T-TE 2 Product Presentation - 27 -11 -2020 page 1 Refrigeration and Air Conditioning Expect more from us
T/TE 2 Thermostatic Expansion Valves Refrigeration and Air Conditioning The T 2 thermostatic expansion valve family is the most universal and adaptable in the world: • • Wide capacity range Wide temperature range All new and old standard refrigerants With MOP and without MOP T-TE 2 Product Presentation - 27 -11 -2020 page 2 Expect more from us
Danfoss T&TE 2 Thermostatic Expansion Valves for Liquid Injection into Evaporators Refrigeration and Air Conditioning Type T/TE 2 from 0. 2 to 4. 5 TR nominal capacity with 8 orifices T-TE 2 Product Presentation - 27 -11 -2020 page 3 Expect more from us
Multi room installation T-TE 2 Product Presentation - 27 -11 -2020 page 4 Refrigeration and Air Conditioning Expect more from us
T 2 system pipe diagram T-TE 2 Product Presentation - 27 -11 -2020 page 5 Refrigeration and Air Conditioning Expect more from us
T/TE 2 Thermostatic Expansion Valve Refrigeration and Air Conditioning The T/TE 2 will control and maintain the amount of refrigerant to be injected into the Evaporator. It does this by keeping the Superheat Constant where the sensor is mounted on the suction line (In a constant load scenario) T-TE 2 Product Presentation - 27 -11 -2020 page 6 Expect more from us
T/TE 2 Body Types Refrigeration and Air Conditioning T 2, Internal Equalizing, two connections Inlet ¼” or 3/8” flare or solder Outlet ½” flare or solder TE 2, External Equalizing, three connections Inlet ¼” or 3/8” flare or solder Outlet ½” flare or solder Equalizing ¼” flare or solder T/TE 2, All Normal Refrigerants T-TE 2 Product Presentation - 27 -11 -2020 page 7 Expect more from us
REFRIGERANTS & RANGES Standard program: R 22 R 134 a R 502 R 404 A/R 507 NOT: R 410 A Special program: R 23 + various R 407 C Refrigeration and Air Conditioning Ranges: N, -40/+10°C, MOP +15°C NM, -40/-5°C, MOP 0°C NL, -40/-15°C, MOP -10°C B, -60/-25°C, MOP -20°C T-TE 2 Product Presentation - 27 -11 -2020 page 8 Expect more from us
T/TE 2 THERMOSTATIC EXPANSION VALVES T-TE 2 Product Presentation - 27 -11 -2020 page 9 Refrigeration and Air Conditioning Expect more from us
TECHNICAL DATA Type : Refrigerants Media temp. o. C Max. bulb o. C MWP / PB bar Max. test pressure Refrigeration and Air Conditioning T 2 / TE 2 CFC / HFC -40 - +10, Range N -40 - -5, Range NM -40 - -15, Range NL -60 - -25, Range B 100 installed 34 37 T-TE 2 Product Presentation - 27 -11 -2020 page 10 Expect more from us
T/TE 2 Cut-away Model Refrigeration and Air Conditioning T-TE 2 Product Presentation - 27 -11 -2020 page 11 Expect more from us
Label T-TE 2 Product Presentation - 27 -11 -2020 page 12 Refrigeration and Air Conditioning Expect more from us
Function of the T/TE 2 Refrigeration and Air Conditioning The TEV will try to keep a constant superheat at a constant load situation If there is a change in load the TEV will open more at increasing load and open less at decreasing load, and again try to keep a constant superheat The opening degree is decided by a balance between the opening force and the closing forces • Pressure in the Power element is the opening force (Sensor temperature) • Pressure from the refrigerant is a closing force • Pressure from the spring is the other closing force T-TE 2 Product Presentation - 27 -11 -2020 page 13 Expect more from us
Compressor not running. TEV closed. Refrigeration and Air Conditioning 4. 7 bar bulb pressure 0. 7 bar spring 4. 7 bar evaporator pressure 4. 7 bar 4°C 4. 7 bar Valve in R 22 equilibrium 0. 7 4. 7 T-TE 2 Product Presentation - 27 -11 -2020 page 14 Expect more from us
Thermostatic expansion valve is now operating at constant superheat. Refrigeration and Air Conditioning 3. 85 bar bulb pressure 0. 7 bar spring 3. 1 bar evaporator pressure 3. 8 bar -6°C 1, 05°C 3. 8 3. 1 bar R 22 Valve constant opening degree 0. 7 3. 1 T-TE 2 Product Presentation - 27 -11 -2020 page 15 Expect more from us
Thermostatic expansion valve operating at slightly reduced load. Refrigeration and Air Conditioning 3. 79 bar bulb pressure 0. 7 bar spring 3. 1 bar evaporator pressure 3. 79 bar -6°C -1. 1°C 3. 79 3. 1 bar R 22 Valve closing little 0. 7 3. 1 T-TE 2 Product Presentation - 27 -11 -2020 page 16 Expect more from us
Thermostatic expansion valve operating at increased load. Refrigeration and Air Conditioning 3. 85 bar bulb pressure 0. 7 bar spring 3. 1 bar evaporator pressure 3. 85 bar -6°C 3. 1 bar 0. 73° C 3. 85 R 22 Valve opening 0. 7 3. 1 T-TE 2 Product Presentation - 27 -11 -2020 page 17 Expect more from us
The compressor is stopped, TEV positively closed. Refrigeration and Air Conditioning 4. 7 bar bulb pressure 0. 7 bar spring 4. 7 bar evaporator pressure 4. 7 bar 4°C 4. 7 bar Valve closed during standstill R 22 0. 7 4. 7 T-TE 2 Product Presentation - 27 -11 -2020 page 18 Expect more from us
Capacity / superheat relationship Refrigeration and Air Conditioning Valve Capacity Full Open Capacity Reserve Capacity Rated Capacity OS SS Superheat OPS T-TE 2 Product Presentation - 27 -11 -2020 page 19 Expect more from us
Adjusting the T/TE 2 Refrigeration and Air Conditioning In most cases it is not necessary to adjust the T/TE 2 If you have the experience, to improve the system performance by adjusting the valve, please do so T-TE 2 Product Presentation - 27 -11 -2020 page 20 Expect more from us
Adjusting the TEV T-TE 2 Product Presentation - 27 -11 -2020 page 21 Refrigeration and Air Conditioning Expect more from us
Adjusting the TEV T-TE 2 Product Presentation - 27 -11 -2020 page 22 Refrigeration and Air Conditioning Expect more from us
Changing the Orifice T-TE 2 Product Presentation - 27 -11 -2020 page 23 Refrigeration and Air Conditioning Expect more from us
Changing the Orifice, solder version T-TE 2 Product Presentation - 27 -11 -2020 page 24 Refrigeration and Air Conditioning Expect more from us
Refrigeration and Air Conditioning Using the T/TE 2 Why ? When ? How ? Where ? Recommendations ! T-TE 2 Product Presentation - 27 -11 -2020 page 25 Expect more from us
Refrigeration and Air Conditioning WHY ? To be able to accurately inject the amount of refrigerant required into the evaporator. T-TE 2 Product Presentation - 27 -11 -2020 page 26 Expect more from us
Refrigeration and Air Conditioning WHEN ? Every time there is a refrigeration system there should be one TEV for each evaporator (If not another means of throttle device is used) T-TE 2 Product Presentation - 27 -11 -2020 page 27 Expect more from us
Refrigeration and Air Conditioning HOW ? By mounting the TEV in the refrigeration circuit with any necessary adjustment T-TE 2 Product Presentation - 27 -11 -2020 page 28 Expect more from us
Refrigeration and Air Conditioning Where ? Always at the inlet of the evaporator T-TE 2 Product Presentation - 27 -11 -2020 page 29 Expect more from us
Refrigeration and Air Conditioning Recommendations ! Adjust if you want to optimize evaporator performance Adjust if the TEV is hunting T-TE 2 Product Presentation - 27 -11 -2020 page 30 Expect more from us
Refrigeration and Air Conditioning SIZING THE T/TE 2 • The Catalogue Way • The Electronic Way T-TE 2 Product Presentation - 27 -11 -2020 page 31 Expect more from us
The Sales Features • • • • Refrigeration and Air Conditioning Hot Stamped Brass Body Metal to metal push pin/guide Stainless steel bulb Stainless steel capillary Stainless steel capsule and diaphragm Laser welding Laser engraving Double contact bulb Eight interchangeable orifices Stainless steel seat and cone Generous inlet filter Six charge versions (Range/MOP) Automated production (ISO 9002) T-TE 2 Product Presentation - 27 -11 -2020 page 32 Expect more from us
Refrigeration and Air Conditioning The Competition • Primary : - Alco (T 2 Copy) - Egelhof (T 2 Copy) - Flica (T 2 Copy) - Sporlan TI(E) TEW TMV Q • Secondary : - FAS (T 2 Copy) - Parker - Saginomiya - Fuji Koki - Teddington TED (T 2 Copy) T-TE 2 Product Presentation - 27 -11 -2020 page 33 Expect more from us
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