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Ac expansion valve for automobile

Original Ac expansion valve catalogue

Information - Expansion valve air conditioning

Expansion valve is a part that serves to control the amount of coolant that enters the evaporator. When speaking about its construction, the expansion valve is a variable section throttle. This spare part is set up behind the drier’s filter on the evaporator inlet branch. Its main function is to reduce coolant pressure and temperature to such a limit that when passing through the evaporator evaporation and intensive heat exchange to be provided. As for the sensing hole, it lowers the pressure of the fluid entering the valve. That coolant that enters the drier filter is a liquid under high pressure.

When the coolant passes through expansion valve opening, it is sprayed. At the same time, the temperature and pressure of the substance decreases. This is necessary to facilitate the entire evaporation process of the coolant directly in the evaporator. To find out how the amount of the coolant that passes through the thermostatic expansion valve is regulated let us describe the process. In thermal contact with the evaporator exhaust pipe there is located temperature sensor.

Inside it in the capillary tube and the bellows there is gas - coolant. When the temperature of the exhaust pipe is increased, the pressure of the coolant in the sensor respectively increases and the bellows stretches. Through the traction bottom of the bellows pressures on the ball or needle that increases coolant flow when moving. It passes through the expansion valve and causes temperature decrease of the output tubes and evaporator. As a reaction, coolant pressure in the sensor is reduced, the bellows is compressed and the ball closes the throttle. This results in coolant flow reduction.

If it was diagnosed that the expansion valve is damage, it must be replaced by a new one, since it is not subject to repair. To save your money do not buy spare parts, like fan, hoses or radiator in car workshops. It is better to visit our web site where you will find necessary original car parts at the best prices.

What you need to know about air conditioner expansion valve: lifetime limits, common defects and their signs, tips and recommendations

An air conditioner expansion valve has no certain lifetime limit. Replacement of the air conditioner expansion valve is performed in case of its heavy clogging, for example, with metal debris. Moreover, the AC expansion valve is replaced because of jamming or mechanical damage.

Defects of the air conditioner expansion valve can be indicated by such signs: irregularities of cool air supply into the cabin, spontaneous turning off of the conditioner. In some cases the car conditioner works correctly only at high engine rpm.

Diagnostics of the AC thermal expansion valve (TXV) should be performed at a service station only. For this you’ll need to measure the refrigerant pressure in different parts of the circuit. Also, specialists will estimate the air conditioning system state if necessary (for example, icing on the evaporator can indicate clogging of an AC compressor control valve).

Replacement of the car AC expansion valve is performed at a service station because incorrect servicing can cause depressurization of the whole system. Moreover, this procedure requires a refrigerant recovery station, a vacuum pump and other special equipment.

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MAHLE ORIGINAL AVE95000S AC expansion valve
AVE 95 000S
Article №: AVE 95 000S
Car Ac expansion valve MAHLE ORIGINAL AVE 95 000S
£ 29,49
incl. 20% VAT, excl. delivery costs
  • Inlet Diameter 1 [mm]: 14,9
  • Connection Diameter 1 [mm]: 17,8
  • Inlet Diameter 2 [mm]: 8,7
  • Connection Diameter 2 [mm]: 11,9
  • Refrigerant: R134a
  • Packaging length [cm]: 10,0
  • Packaging height [cm]: 4,00
  • Packaging width [cm]: 5,00
  • Net Weight [g]: 210
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL AVE114000P AC expansion valve
AVE 114 000P
Article №: AVE 114 000P
Car Expansion valve MAHLE ORIGINAL AVE 114 000P
£ 25,49
incl. 20% VAT, excl. delivery costs
  • Inlet Diameter 1 [mm]: 8,7
  • Connection Diameter 1 [mm]: 11,9
  • Inlet Diameter 2 [mm]: 17,8
  • Connection Diameter 2 [mm]: 17,8
  • Refrigerant: R134a
  • Packaging height [cm]: 7,20
  • Packaging width [cm]: 7,50
  • Packaging length [cm]: 9,5
  • Net Weight [g]: 148
  • Condition: New
Details
Over 100 in stock
NRF 38212 AC expansion valve
38212
Article №: 38212
Car Expansion valve air conditioning NRF 38212
£ 1,99
incl. 20% VAT, excl. delivery costs
  • Refrigerant: R134a
  • Condition: New
Details
Over 100 in stock
DENSO DVE12001 AC expansion valve
DVE12001
Article №: DVE12001
Car Ac expansion valve DENSO DVE12001
£ 20,99
incl. 20% VAT, excl. delivery costs
  • Weight [g]: 127
  • Gross Weight [g]: 147
  • alternative item: -
  • Condition: New
Details
Over 100 in stock
DENSO DVE20005 AC expansion valve
DVE20005
Article №: DVE20005
Car Expansion valve DENSO DVE20005
£ 42,99
incl. 20% VAT, excl. delivery costs
  • for OE number: 55702406
  • Weight [g]: 134
  • Gross Weight [g]: 163
  • alternative item: -
  • Condition: New
Details
Over 100 in stock
MAHLE ORIGINAL AVE51000S Injector Nozzle, expansion valve
AVE 51 000S
Article №: AVE 51 000S
Car Expansion valve air conditioning MAHLE ORIGINAL AVE 51 000S
£ 2,99
incl. 20% VAT, excl. delivery costs
  • Colour: Orange
  • Diameter [mm]: 1,4478
  • Number of sealing rings: 1
  • Refrigerant: R134a
  • Packaging width [cm]: 1,00
  • Packaging height [cm]: 1,00
  • Net Weight [g]: 2
  • Packaging length [cm]: 9,0
  • Condition: New
Details
Over 100 in stock
NRF 38353 AC expansion valve
Article №: 38353
NRF 38353 Ac expansion valve price
£ 1,99
incl. 20% VAT, excl. delivery costs
Details
Over 100 in stock
NRF 38479 AC expansion valve
38479
Article №: 38479
NRF 38479 Expansion valve price
£ 20,99
incl. 20% VAT, excl. delivery costs
  • Refrigerant: R12
  • Condition: New
Details
Over 100 in stock
DENSO DVE09004 AC expansion valve
DVE09004
Article №: DVE09004
DENSO DVE09004 Expansion valve air conditioning price
£ 43,49
incl. 20% VAT, excl. delivery costs
  • for OE number: 46722958
  • Weight [g]: 217
  • Gross Weight [g]: 237
  • alternative item: -
  • Condition: New
Details
Over 100 in stock
ENERGY NE00531 Injector Nozzle, expansion valve
NE00531
Article №: NE00531
ENERGY NE00531 Ac expansion valve price
£ 2,47
incl. 20% VAT, excl. delivery costs
  • Vehicle type: Audi
  • Colour: black
  • Quantity Unit: Piece
Details
Over 100 in stock
MAHLE ORIGINAL AVE98000P AC expansion valve
AVE 98 000P
Article №: AVE 98 000P
MAHLE ORIGINAL AVE 98 000P Expansion valve price
£ 31,99
incl. 20% VAT, excl. delivery costs
  • Inlet Diameter 1 [mm]: 8,6
  • Connection Diameter 1 [mm]: 11,8
  • Inlet Diameter 2 [mm]: 14,6
  • Connection Diameter 2 [mm]: 17,7
  • Refrigerant: R134a
  • Supplementary Article / Supplementary Info Info 2: with flange
  • Packaging width [cm]: 7,60
  • Packaging height [cm]: 7,80
  • Packaging length [cm]: 9,4
  • Net Weight [g]: 143
  • Condition: New
Details
Over 100 in stock
DENSO DVE09003 AC expansion valve
DVE09003
Article №: DVE09003
DENSO DVE09003 Expansion valve air conditioning price
£ 24,49
incl. 20% VAT, excl. delivery costs
  • for OE number: 1307750080
  • Weight [g]: 125
  • Gross Weight [g]: 160
  • alternative item: -
  • Condition: New
Details
Over 100 in stock
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