Danfoss AVTA Thermostatic Valves
Danfoss thermostatically operated valves are a simple and reliable control solution requiring neither electricity nor control air. An example of application is automatic control of water temperature in cooling systems.The valves are available with remote or built-in sensor.
The AVTA needs no power, so if the electricity supply is interrupted, the cooling system won’t fail. The AVTA uses small changes in temperature to move the valve cone and proportionally change the coolant flow.
In addition, the AVTA:
• Is insensitive to dirt, increasing reliability while reducing maintenance costs,
• Is insensitive to water pressure, ensuring reliable function throughout the entire pressure range,
• Minimises the consumption of cooling water,
• Can operate from 0 bar differential pressure,
• Adjusts the temperature to the required value with a high degree of precision, and
• Is easier to install than electrical control valve solutions
AVTA is a self-acting, thermostatically operated valve for use in cooling applications. The valve is commonly used in connection with hydraulic stations, and is often named the "fit and forget" valve, due to its immense reliability, proven throughout decades.
• Self-acting cooling water valves for accurate flow control based on sensor temperature
• Capillary sensor with adsorption charge, mass charge or universal charge
• Open on rising temperature
• Brass or stainless steel valve body
• For extremely aggressive media, also available in titanium
• Medium temp -25 to 130°C
AVTA is a self-acting, thermostatically operated valve for use in cooling applications. The valve is commonly used in connection with hydraulic stations, and is often named the "fit and forget" valve, due to its immense reliability, proven throughout decades.
• Self-acting cooling water valves for accurate flow control based on sensor temperature
• Capillary sensor with adsorption charge, mass charge or universal charge
• Open on rising temperature
• Brass or stainless steel valve body
• For extremely aggressive media, also available in titanium
• Medium temp -25 to 130°C
AVTA Thermostatically Operated Valves with Temperature Sensitive Sensor
|
Code number
|
Type
|
Connection
|
Kv m³/h
|
Temp. range [°C]
|
Body matl.
|
Armoring
|
Charge
|
Cap. tube length [mm]
|
|
003N0031
|
AVTA 20
|
G 3/4
|
3,40
|
25 - 65 °C
|
Brass
|
Yes
|
Universal
|
2.000 mm
|
|
003N0032
|
AVTA 25
|
G 1
|
5,50
|
25 - 65 °C
|
Brass
|
Yes
|
Universal
|
2.000 mm
|
|
003N0034
|
AVTA 15
|
G 1/2
|
1,90
|
25 - 65 °C
|
Brass
|
-
|
Mass
|
5.000 mm
|
|
003N0041
|
AVTA 15
|
G 1/2
|
1,90
|
25 - 65 °C
|
Brass
|
Yes
|
Universal
|
2.000 mm
|
|
003N0042
|
AVTA 15
|
G 1/2
|
1,90
|
0 - 30 °C
|
Brass
|
-
|
Mass
|
2.000 mm
|
|
003N0043
|
AVTA 20
|
G 3/4
|
3,40
|
0 - 30 °C
|
Brass
|
-
|
Mass
|
2.000 mm
|
|
003N0045
|
AVTA 15
|
G 1/2
|
1,90
|
25 - 65 °C
|
Brass
|
-
|
Mass
|
2.000 mm
|
|
003N0046
|
AVTA 20
|
G 3/4
|
3,40
|
25 - 65 °C
|
Brass
|
-
|
Mass
|
2.000 mm
|
|
003N0047
|
AVTA 25
|
G 1
|
5,50
|
25 - 65 °C
|
Brass
|
-
|
Mass
|
2.000 mm
|
|
003N0107
|
AVTA 15
|
G 1/2
|
1,90
|
10 - 80 °C
|
Brass
|
-
|
Adsorption
|
2.300 mm
|
|
003N0108
|
AVTA 20
|
G 3/4
|
3,40
|
10 - 80 °C
|
Brass
|
-
|
Adsorption
|
2.300 mm
|
|
003N0109
|
AVTA 25
|
G 1
|
5,50
|
10 - 80 °C
|
Brass
|
-
|
Adsorption
|
2.300 mm
|
|
003N0299
|
AVTA 15
|
G 1/2
|
1,90
|
25 - 65 °C
|
Brass
|
Yes
|
Mass
|
2.000 mm
|
|
003N1132
|
AVTA 10
|
G 3/8
|
1,40
|
0 - 30 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N1144
|
AVTA 10
|
G 3/8
|
1,40
|
10 - 80 °C
|
Brass
|
-
|
Adsorption
|
2.300 mm
|
|
003N1162
|
AVTA 10
|
G 3/8
|
1,40
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N1182
|
AVTA 10
|
G 3/8
|
1,40
|
50 - 90 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N1710
|
AVTA 15
|
G 1/2
|
1,90
|
25 - 65 °C
|
Stainless steel
|
-
|
Mass
|
2.000 mm
|
|
003N2114
|
AVTA 15
|
G 1/2
|
1,90
|
10 - 80 °C
|
Brass
|
Yes
|
Adsorption
|
2.000 mm
|
|
003N2132
|
AVTA 15
|
G 1/2
|
1,90
|
0 - 30 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N2133
|
AVTA 15
|
G 1/2
|
1,90
|
0 - 30 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N2150
|
AVTA 15
|
G 1/2
|
1,90
|
10 - 80 °C
|
Stainless steel
|
-
|
Adsorption
|
2.300 mm
|
|
003N2162
|
AVTA 15
|
G 1/2
|
1,90
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N2165
|
AVTA 15
|
G 1/2
|
1,90
|
25 - 65 °C
|
Brass
|
-
|
Mass
|
2.000 mm
|
|
003N2169
|
AVTA 15
|
G 1/2
|
1,90
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N2182
|
AVTA 15
|
G 1/2
|
1,90
|
50 - 90 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N3132
|
AVTA 20
|
G 3/4
|
3,40
|
0 - 30 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N3150
|
AVTA 20
|
G 3/4
|
3,40
|
10 - 80 °C
|
Stainless steel
|
-
|
Adsorption
|
2.300 mm
|
|
003N3162
|
AVTA 20
|
G 3/4
|
3,40
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N3165
|
AVTA 20
|
G 3/4
|
3,40
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
5.000 mm
|
|
003N3182
|
AVTA 20
|
G 3/4
|
3,40
|
50 - 90 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N4132
|
AVTA 25
|
G 1
|
5,50
|
0 - 30 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N4133
|
AVTA 25
|
G 1
|
5,50
|
0 - 30 °C
|
Brass
|
Yes
|
Universal
|
2.000 mm
|
|
003N4150
|
AVTA 25
|
G 1
|
5,50
|
10 - 80 °C
|
Stainless steel
|
-
|
Adsorption
|
2.300 mm
|
|
003N4162
|
AVTA 25
|
G 1
|
5,50
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N4165
|
AVTA 25
|
G 1
|
5,50
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
5.000 mm
|
|
003N4182
|
AVTA 25
|
G 1
|
5,50
|
50 - 90 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N4183
|
AVTA 25
|
G 1
|
5,50
|
50 - 90 °C
|
Brass
|
-
|
Universal
|
3.000 mm
|
|
003N6115
|
AVTA 15
|
NPT 1/2-14
|
1,90
|
10 - 80 °C
|
Brass
|
-
|
Adsorption
|
2.300 mm
|
|
003N6132
|
AVTA 15
|
NPT 1/2-14
|
1,90
|
0 - 30 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N6162
|
AVTA 15
|
NPT 1/2-14
|
1,90
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N6182
|
AVTA 15
|
NPT 1/2-14
|
1,90
|
50 - 90 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N7120
|
AVTA 20
|
NPT 3/4-14
|
3,40
|
10 - 80 °C
|
Brass
|
-
|
Adsorption
|
2.300 mm
|
|
003N7132
|
AVTA 20
|
NPT 3/4-14
|
3,40
|
0 - 30 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N7162
|
AVTA 20
|
NPT 3/4-14
|
3,40
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N7182
|
AVTA 20
|
NPT 3/4-14
|
3,40
|
50 - 90 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N8125
|
AVTA 25
|
NPT 1
|
5,50
|
10 - 80 °C
|
Brass
|
-
|
Adsorption
|
2.300 mm
|
|
003N8132
|
AVTA 25
|
NPT 1
|
5,50
|
0 - 30 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N8162
|
AVTA 25
|
NPT 1
|
5,50
|
25 - 65 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
|
003N8182
|
AVTA 25
|
NPT 1
|
5,50
|
50 - 90 °C
|
Brass
|
-
|
Universal
|
2.000 mm
|
Danfoss AVTA Spare Parts and Accessories
|
Code number
|
Type
|
Type description
|
Application
|
Sensor temp. range [°C]
|
Sensor (diam. x L) [mm]
|
Standard prod
|
Arm. Cap. tube
|
Conn. standard
|
Conn. size [in]
|
Conn. Int./Ext.
|
Cap. Length [mm]
|
|
003N0012
|
Spare part
|
Adjusting handle
|
AVD , AVDA , AVTA , AVTB , FJV
|
-
|
-
|
Yes
|
-
|
-
|
-
|
-
|
-
|
|
003N0050
|
Accessory
|
Sensor pocket
|
AVTA , AVTB
|
-
|
18 x 210 mm
|
Yes
|
-
|
ISO 228-1
|
G
|
External
|
-
|
|
003N0051
|
Accessory
|
Sensor pocket
|
AVTA , AVTB
|
-
|
18 x 210 mm
|
Yes
|
-
|
ANSI/ASME B1.20.1
|
NPT
|
External
|
-
|
|
003N0053
|
Accessory
|
Sensor pocket
|
AVTA , AVTB
|
-
|
18 x 210 mm
|
Yes
|
-
|
ANSI/ASME B1.20.1
|
NPT
|
External
|
-
|
|
003N0056
|
Accessory
|
Capillary tube gland
|
AVTA , AVTB
|
-
|
18 x 210 mm
|
Yes
|
-
|
-
|
-
|
-
|
-
|
|
003N0062
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
50-90°C
|
18 x 210 mm
|
Yes
|
-
|
-
|
-
|
-
|
2000 mm
|
|
003N0063
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
25-65°C
20-60°C
|
18 x 210 mm
|
Yes
|
Yes
|
-
|
-
|
-
|
2000 mm
|
|
003N0066
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
0-30°C
|
9.5 x 180 mm
|
Yes
|
-
|
-
|
-
|
-
|
2000 mm
|
|
003N0068
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
25-65°C
20-60°C
|
9.5 x 180 mm
|
Yes
|
-
|
-
|
-
|
-
|
5000 mm
|
|
003N0075
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
0-30°C
|
18 x 210 mm
|
Yes
|
-
|
-
|
-
|
-
|
2000 mm
|
|
003N0077
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
0-30°C
|
18 x 210 mm
|
Yes
|
-
|
-
|
-
|
-
|
5000 mm
|
|
003N0078
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
25-65°C
20-60°C
|
18 x 210 mm
|
Yes
|
-
|
-
|
-
|
-
|
2000 mm
|
|
003N0079
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
25-65°C
20-60°C
|
18 x 210 mm
|
Yes
|
-
|
-
|
-
|
-
|
3000 mm
|
|
003N0089
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
50-90°C
|
18 x 210 mm
|
Yes
|
-
|
-
|
-
|
-
|
3000 mm
|
|
003N0091
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
25-65°C
20-60°C
|
9.5 x 180 mm
|
Yes
|
-
|
-
|
-
|
-
|
2000 mm
|
|
003N0155
|
Accessory
|
Capillary tube gland
|
AVTA , AVTB
|
-
|
18 x 210 mm
|
Yes
|
-
|
-
|
-
|
-
|
-
|
|
003N0192
|
Accessory
|
Sensor pocket
|
AVTA , AVTB
|
-
|
18 x 210 mm
|
Yes
|
-
|
ISO 7-1
|
R
|
External
|
-
|
|
003N0196
|
Accessory
|
Sensor pocket
|
AVTA , AVTB
|
-
|
9.5 x 150 mm , 9.5 x 180 mm
|
Yes
|
-
|
ISO 7-1
|
R
|
External
|
-
|
|
003N0278
|
Spare part
|
Thermostatic element
|
AVTA , AVTB
|
10-80°C
|
9.5 x 150 mm
|
Yes
|
-
|
-
|
-
|
-
|
2300 mm
|
|
003N0388
|
Accessory
|
Bracket
|
AVTA , WVFX
|
-
|
-
|
Yes
|
-
|
-
|
-
|
-
|
-
|
|
003N0520
|
Spare part
|
Plastic hand knob
|
AVTA , AVTB , FJVA
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
|
003N4006
|
Spare part
|
Repair kit
|
-
|
-
|
-
|
Yes
|
-
|
-
|
-
|
-
|
-
|
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