Api Pneumatic. GENERAL CATALOG (2019) - page 37

 

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Api Pneumatic. GENERAL CATALOG (2019) - page 37

 

 

5

5.81.5

150

49,25

22,75

22,75

21,25

1

5

1

8

,5

32

60

1

1

,5

3

2

8

,5

5

2

M5

5,3

Ø

G 1/4

G 1/4

G 1/4

12

12

32

24

42

32

84

5

8

30

28,5

22

49,25

22,75

22,75

49,25

1

5

18

,5

60

1

1

,5

3

2

8

,5

5

2

G 1/4

G 1/4

G 1/4

12

12

24

60

60

60

220

30

30

60

84

M5

5

5,3

Ø

8

28,5

22

Version

Symbol

Code

Item

3/2 NC

14

4

5 1

AX1NE230XX*

5/2 solenoid/spring

14

4 2

5 3

1

AX1NE250XX*

Version

Symbol

Code

Item

3/2 solenoid/solenoid

12

14

4

5 1

AX1NE232XX*

5/2 solenoid/solenoid

12

14

4

5

2

3

1

AX1NE251XX*

Functions 3/2

Functions 3/2

Valves series AX1 - Non sparking coil Ex nA

1/4”, 3/2 - 5/2, NAMUR interface, electrically operated Ex nA

* For coil voltage: see code key at page 5.81.1 

* For coil voltage: see code key at page 5.81.1 

5

5.82.1

Valves series AX1 - Intrinsic safety Ex ia

1/4”, 3/2 - 5/2 - 5/3, IN LINE and NAMUR interface, electrically operated Ex ia

Standard executions

Version

Symbol

Code

3/2 NC

12

2

3 1

For code key
see the table 

below

3/2 NO

23

2

1 3

3/2 solenoid/solenoid

10

12

2

3 1

5/2 solenoid/spring

14

4 2

5 3

1

5/2 solenoid/solenoid

12

14

4 2

5 13

5/2 solenoid/solenoid
differential

12

14

4 2

5 3

1

5/3 closed centres

12

14

4 2

5 3

1

5/3 open centres

12

14

4 2

5 3

1

5/3 pressurised centres

12

14

4 2

5 3

1

Technical data

Fluid

Compressed filtered air with or without lubrication. Lubrication, if started, must be continued.

Threaded connection

1/4 Gas - 1/4 NPT

Pressure range

Spring return: 2,5 ÷ 8 bar 

Bistable: 1 ÷ 8 bar 

3 positions: 

2,5 ÷ 8 bar

Minimum external air pressure

2 bar 

Temperature range

-25°C ÷ +50°C

Protection grade

-

Ø Orifice

8 mm

Flow

1.100 Nl/min at 6 bar with ∆P 1 bar

Mounting

In any position (vertical assembly is not recommended for bistable valves subjected to vibration)

Manual override

Bistable

Electrical 
characteristic

Nominal voltage

21.6 ÷ 28 VDC

21.6 ÷ 28 VDC

Max voltage

28 VDC

28 VDC

Nominal current

0.115 A (at 28 VDC)

0.115 A (at 28 VDC)

Nominal power

1.6 W (at 28 VDC)

1.6 W (at 28 VDC)

Duty cycle

100% ED

100% ED

Temp. class

T6

T4

Response time (at 6 bar)

Energising: - ms

Energising: - ms

Energising: - ms

De-energising: - ms

De-energising: - ms

De-energising: - ms

 Materials

(1)

  

Body:

Stainless steel AISI 316L

1

2

3

6

2

4

5

7

8

(2)

 

Cover:

Stainless steel AISI 316L

(3)

 

Spool:

Hard aluminium anodized (AX series)
Stainless steel AISI 316 (AXX series)

(4)

 

Distancers:

Ixef 1022 (AX series)
Stainless steel AISI 316 (AXX series)

(5)

 

Seals:

Hydrogenate Nitrile Butadine Rubber (HNBR)

(6)

 

Spring:

Stainless steel

(7)

 

Operator:

Brass

(8)

 

Coil:

Thermoset resin

Code key

Series

Actuation

Size

Function

Hazardous areas

Voltages

AX1 

= Standard

AXX1*  = Completely in
  

stainless steel

AX1N

    

= NAMUR

AXX1N*

 

= NAMUR 

 

  

Completely in

 

  

stainless steel

* On reuqest

E = electrical Ø9
K = electrical Ø9
  

external air pilot

2  = 1/4 Gas
2N = 1/4 NPT

30 = 3/2 NC
31 = 3/2 NO
32 = 3/2 solenoid/solenoid
50 = 5/2 solenoid/spring
51 = 5/2 solenoid/solenoid
52 = 5/2 solenoid/solenoid
  

      differential

70 = 5/3 CC 
71 = 5/3 OC 
72 = 5/3 PC

XA   = II 2G Ex ia IIC T6 Gb

          II 2D Ex tb IIIC T80°C Db X IP65

XA1 = II 2G Ex ia IIC T4 Gb

          II 2D Ex tb IIIC T80°C Db X IP65

C = 24 VDC

New series of “AX” valves with functions 3/2 - 5/2 - 5/3 connection in line on 
the body or NAMUR. Electric and electric servo pilot.
They are manufactured in AISI 316L stainless steel, especially suitable in 
the food, chemical, pharmaceutical, Oil & gas and mining industry.
AX valves are manufactured according to 2014/34/EU Directive to be used 
in potentially explosive environment.
Conforming to 2014/34/EU Directive, certified:

 

II 2G Ex ia IIC T6 Gb

 

II 2D Ex tb IIIC T80°C Db X IP65

 

II 2G Ex ia IIC T4 Gb

 

II 2D Ex tb IIIC T80°C Db X IP65

Connectors have to be ordered separately:
For connector type A18209N/ATEX 

see page 2.210.50

Valves series AX1 - Intrinsic safety Ex ia

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex ia

5.82.2

130

21,5

22

7

,5

3

2

1

2

,5

49,4

60,4

49,6

21,5

21,75

1

1

,5

18

,5

1

5

32,5

G 1/4

G 1/4

G 1/4

Ø 4.2

5

2

3

0

30

3

0

4

0

25,5

1

5

G 1/8

12

190

49,4

22

7

,5

3

2

1

2

,5

49,4

60,4

49,6

21,5

49,6

1

1

,5

18

,5

1

5

60,4

G 1/4

G 1/4

G 1/4

Ø 4.2

5

2

3

0

30

30

3

0

3

0

4

0

25,5

1

5

G 1/8

12

Version

Symbol

Code

Item

3/2 NC

12

2

3 1

AX1E230XAC

3/2 NO

23

2

1 3

AX1E231XAC

3/2 NC 
external air pilot

12

2

3 1

AX1K230XAC

Version

Symbol

Code

Item

3/2 solenoid/solenoid

10

12

2

3 1

AX1E232XAC

3/2 solenoid/solenoid
external air pilot

10

12

2

3 1

AX1K232XAC

Actuation = K

Actuation = K

* For coil voltage: see code key at page 5.82.1 

* For coil voltage: see code key at page 5.82.1 

5

5.82.3

Valves series AX1 - Intrinsic safety Ex ia

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex ia

150

22,75

1

5

1

8

,5

1

5

33

G 1/4

G 1/4

Ø 4.2

5

2

3

0

G 1/4

G 1/4

22,75

49,25

21,25

61

22

33

9

3

4

9

22

61

G 1/4

30

3

0

4

0

25,5

1

5

G 1/8

12

220

22,75

1

5

18

,5

1

5

G 1/4

G 1/4

G 1/4

Ø 4.2

5

2

3

0

22,75

49,25

49,25

G 1/4

61

22

61

9

3

4

9

61

22

61

G 1/4

30

3

0

4

0

30

25,5

1

5

G 1/8

12

Version

Symbol

Code

Item

5/2 solenoid/spring

14

4 2

5 3

1

AX1E250XAC

Version

Symbol

Code

Item

5/2 solenoid/solenoid

12

14

4 2

5 13

AX1E251XAC

5/2 solenoid/solenoid
differential

12

14

4 2

5 3

1

AX1E252XAC

Actuation = K

Actuation = K

* For coil voltage: see code key at page 5.82.1 

* For coil voltage: see code key at page 5.82.1 

5.82.4

237

22,75

1

5

18

,5

1

5

G 1/4

G 1/4

G 1/4

Ø 4.2

5

2

3

0

22,75

66,25

49,25

G 1/4

78

22

61

9

3

4

9

78

22

61

G 1/4

30

3

0

4

0

30

25,5

1

5

G 1/8

12

Version

Symbol

Code

Item

5/3 closed centres,
external air pilot

12

14

4 2

5 3

1

AX1K270XAC

5/3 open centres,
external air pilot

12

14

4 2

5 3

1

AX1K271XAC

5/3 pressurised centres
external air pilot

12

14

4 2

5 3

1

AX1K272XAC

Version

Symbol

Code

Item

5/3 closed centres

12

14

4 2

5 3

1

AX1E270XAC

5/3 open centres

12

14

4 2

5 3

1

AX1E271XAC

5/3 pressurised centres

12

14

4 2

5 3

1

AX1E272XAC

Valves series AX1 - Intrinsic safety Ex ia

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex ia

Actuation = K

* For coil voltage: see code key at page 5.82.1 

5

5.82.5

150

49,25

22,75

22,75

21,25

1

5

1

8

,5

32

60

1

1

,5

3

2

8

,5

5

2

M5

5,3

Ø

G 1/4

G 1/4

G 1/4

12

12

32

24

42

4

0

3

0

32

84

5

8

49,25

22,75

22,75

49,25

1

5

18

,5

60

1

1

,5

3

2

8

,5

5

2

G 1/4

G 1/4

G 1/4

12

12

24

4

0

3

0

60

60

60

220

30

30

60

84

M5

5

5,3

Ø

8

Functions 3/2

Functions 3/2

Valves series AX1 - Intrinsic safety Ex ia

1/4”, 3/2 - 5/2, NAMUR interface, electrically operated Ex ia

Version

Symbol

Code

Item

3/2 NC

14

4

5 1

AX1NE230XAC

5/2 solenoid/spring

14

4 2

5 3

1

AX1NE250XAC

Version

Symbol

Code

Item

3/2 solenoid/solenoid

12

14

4

5 1

AX1NE232XAC

5/2 solenoid/solenoid

12

14

4

5

2

3

1

AX1NE251XAC

* For coil voltage: see code key at page 5.82.1 

* For coil voltage: see code key at page 5.82.1 

5

5.83.1

Valves series AX1 - Encapsulated coil Ex dm

1/4”, 3/2 - 5/2 - 5/3, IN LINE and NAMUR interface, electrically operated Ex dm

New series of “AX” valves with functions 3/2 - 5/2 - 5/3 connection in line on 
the body or NAMUR. Electric and electric servo pilot.

They are manufactured in AISI 316L stainless steel, especially suitable in 
the food, chemical, pharmaceutical, Oil & Gas and mining industry.

AX valves are manufactured according to 2014/34/EU Directive to be used 
in potentially explosive environment.

Solenoid operator with a special coil for pneumatic application in potentially 
explosive environment (group II). The protection is assured by a thermal 
fuse that, in case of damage, disconnects the coil from power.

Solenoid system is conforming to 2014/34/EU Directive, certified:

 

II 2G Ex db mb IIC T5 Gb 

 

II 2D Ex tb IIIC T95°C Db IP66

Technical data

Fluid

Compressed filtered air with or without lubrication. Lubrication, if started, must be continued.

Threaded connection

1/4 Gas - 1/4 NPT

Pressure range

Spring return: 2,5 ÷ 10 bar

Bistable: 1 ÷ 10 bar

3 positions

: 2,5 ÷ 10 bar

Minimum external air pressure

1.5 bar 

Temperature range

-25°C ÷ +50°C

Protection grade

IP66

Ø Orifice

8 mm

Flow

1.100 Nl/min at 6 bar with ∆P 1 bar

Mounting

In any position (vertical assembly is not recommended for bistable valves subjected to vibration)

Manual override

Bistable

Electrical 
characteristic

Nominal voltage

6 VDC

12 VDC

24 VDC

48 VDC

12 VAC

24VAC

48 VAC

100 VAC 110 VAC 115 VAC 120 VAC 220 VAC 230 VAC 240 VAC

Frequency

-

-

-

-

50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz

Nominal current

0.510 A

0.250 A

0.125 A

0.063 A

0.270 A

0.133 A

0.067 A

0.032 A

0.029 A

0.028 A

0.027 A

0.014 A

0.014 A

0.013 A

Nominal power

3 W

3 W

3 W

3 W

3.2 VA

3.2 VA

3.2 VA

3.2 VA

3.2 VA

3.2 VA

3.2 VA

3.2 VA

3.2 VA

3.2 VA

Duty cycle

100% ED

Temp. class

T5

Response time (at 6 bar)

Energising: - ms

Energising: - ms

Energising: - ms

De-energising: - ms

De-energising: - ms

De-energising: - ms

 Materials

(1)

  

Body:

Stainless steel AISI 316L

1

2

3

6

2

4

5

7

8

(2)

 

Cover:

Stainless steel AISI 316L

(3)

 

Spool:

Hard aluminium anodized (AX series)
Stainless steel AISI 316 (AXX series)

(4)

 

Distancers:

Ixef 1022 (AX series)
Stainless steel AISI 316 (AXX series)

(5)

 

Seals:

Hydrogenate Nitrile Butadine Rubber (HNBR)

(6)

 

Spring:

Stainless steel

(7)

 

Operator:

Stainless steel

(8)

 

Coil:

Thermoset  resin

Standard executions

Version

Symbol

Code

3/2 NC

12

2

3 1

For code key
see the table 

below

3/2 NO

23

2

1 3

3/2 solenoid/solenoid

10

12

2

3 1

5/2 solenoid/spring

14

4 2

5 3

1

5/2 solenoid/solenoid

12

14

4 2

5 13

5/2 solenoid/solenoid
differential

12

14

4 2

5 3

1

5/3 closed centres

12

14

4 2

5 3

1

5/3 open centres

12

14

4 2

5 3

1

5/3 pressurised centres

12

14

4 2

5 3

1

Code key

Series

Actuation

Size

Function

Hazardous areas

Voltages

AX1 

= Standard

AXX1*  = Completely in
  

stainless steel

AX1N

    

= NAMUR

AXX1N*

 

= NAMUR 

 

  

Completely in

 

  

stainless steel

* On reuqest

E = electrical Ø9
K = electrical Ø9
 

external air pilot

2  = 1/4 Gas
2N = 1/4 NPT

30 = 3/2 NC
31 = 3/2 NO
32 = 3/2 solenoid/solenoid
50 = 5/2 solenoid/spring
51 = 5/2 solenoid/solenoid
52 = 5/2 solenoid/solenoid
  

      differential

70 = 5/3 CC 
71 = 5/3 OC 
72 = 5/3 PC

XB = II 2G Ex db mb IIC T5 Gb

        II 2D Ex tb IIIC T95°C Db IP66 

A =    6 VDC
B =  12 VDC
C =  24 VDC *
D =  48 VDC

E =    12 VAC
F  =    24 VAC
G =    48 VAC
H =  100 VAC
I  =  110 VAC
L  =  115 VAC
M =  120 VAC
O =  220 VAC
P =  230 VAC
Q =  240 VAC

* = Standard voltages

5.83.2

Valves series AX1 - Encapsulated coil Ex dm

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex dm

22

7

,5

3

2

1

2

,5

49,4

49,6

21,5

1

1

,5

18

,5

1

5

G 1/4

G 1/4

Ø 4.2

5

2

3

0

21,5

36,6

130

4

1

,5

20

3

6

21,75

32,5

G 1/4

PG 9
DIN 46 320

25,5

1

5

G 1/8

12

22

7

,5

3

2

1

2

,5

49,4

49,6

21,5

1

1

,5

18

,5

1

5

G 1/4

G 1/4

Ø 4.2

5

2

3

0

49.4

36,6

36,6

190

4

1

,5

20

3

6

49,6

G 1/4

PG 9
DIN 46 320

20

3

6

25,5

1

5

G 1/8

12

Version

Symbol

Code

Item

3/2 NC

12

2

3 1

AX1E230XB*

3/2 NO

23

2

1 3

AX1E231XB*

3/2 NC 
external air pilot

12

2

3 1

AX1K230XB*

Version

Symbol

Code

Item

3/2 solenoid/solenoid

10

12

2

3 1

AX1E232XB*

3/2 solenoid/solenoid
external air pilot

10

12

2

3 1

AX1K232XB*

Actuation = K

Actuation = K

* For coil voltage: see code key at page 5.83.1 

* For coil voltage: see code key at page 5.83.1 

5

5.83.3

Valves series AX1 - Encapsulated coil Ex dm

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex dm

61

49,6

22.75

22

36,6

150

20

3

6

PG 9
DIN 46 320

G 1/4

G 1/4

G 1/4

G 1/4

22,75

22

G 1/4

Ø 4.2

1

5

3

0

1

5

1

8

,5

21,25

5

2

33

9

3

4

9

25,5

1

5

G 1/8

12

61

49,6

22.75

1

1

,5

18

,5

1

5

5

2

3

0

61

22

36,6

36,6

220

4

1

,5

20

3

6

49,6

PG 9
DIN 46 320

20

3

6

G 1/4

G 1/4

G 1/4

G 1/4

22,75

22

G 1/4

Ø 4.2

9

3

4

9

25,5

1

5

G 1/8

12

Version

Symbol

Code

Item

5/2 solenoid/spring

14

4 2

5 3

1

AX1E250XB*

Version

Symbol

Code

Item

5/2 solenoid/solenoid

12

14

4 2

5 13

AX1E251XB*

5/2 solenoid/solenoid
differential

12

14

4 2

5 3

1

AX1E252XB*

Actuation = K

Actuation = K

* For coil voltage: see code key at page 5.83.1 

* For coil voltage: see code key at page 5.83.1 

5.83.4

66.25

66.25

22.75

1

1

,5

18

,5

1

5

5

2

3

0

61

22

36,6

36,6

220

4

1

,5

20

3

6

49,6

PG 9
DIN 46 320

20

3

6

G 1/4

G 1/4

G 1/4

G 1/4

22,75

22

G 1/4

Ø 4.2

9

3

4

9

25,5

1

5

G 1/8

12

Version

Symbol

Code

Item

5/3 closed centres,
external air pilot

12

14

4 2

5 3

1

AX1K270XB*

5/3 open centres,
external air pilot

12

14

4 2

5 3

1

AX1K271XB*

5/3 pressurised centres
external air pilot

12

14

4 2

5 3

1

AX1K272XB*

Version

Symbol

Code

Item

5/3 closed centres

12

14

4 2

5 3

1

AX1E270XB*

5/3 open centres

12

14

4 2

5 3

1

AX1E271XB*

5/3 pressurised centres

12

14

4 2

5 3

1

AX1E272XB*

Valves series AX1 - Encapsulated coil Ex dm

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex dm

Actuation = K

* For coil voltage: see code key at page 5.83.1 

5

5.83.5

49,25

22,75

22,75

21,25

1

5

1

8

,5

32

60

1

1

,5

3

2

8

,5

5

2

M5

5,3

Ø

G 1/4

G 1/4

G 1/4

12

12

32

24

60

150

8

32

84

3

6

36,6

20

PG 9
DIN 46 320

5

49,25

22,75

22,75

49.25

1

5

1

8

,5

60

60

1

1

,5

3

2

8

,5

5

2

M5

5,3

Ø

G 1/4

G 1/4

G 1/4

12

12

32

24

60

220

60

84

3

6

36,6

20

PG 9
DIN 46 320

36,6

20

8

5

Functions 3/2

Functions 3/2

Valves series AX1 - Encapsulated coil Ex dm

1/4”, 3/2 - 5/2, NAMUR interface, electrically operated Ex dm

Version

Symbol

Code

Item

3/2 NC

14

4

5 1

AX1NE230XB*

5/2 solenoid/spring

14

4 2

5 3

1

AX1NE250XB*

Version

Symbol

Code

Item

3/2 solenoid/solenoid

12

14

4

5 1

AX1NE232XB*

5/2 solenoid/solenoid

12

14

4

5

2

3

1

AX1NE251XB*

* For coil voltage: see code key at page 5.83.1 

* For coil voltage: see code key at page 5.83.1 

5

Valves series AX1 - Flameproof coil Ex db

1/4”, 3/2 - 5/2 - 5/3, IN LINE and NAMUR interface, electrically operated Ex db

New series of “AX” valves with functions 3/2 - 5/2 - 5/3 connection in line on 
the body or NAMUR. Electric and electric servo pilot.
They are manufactured in AISI 316L stainless steel, especially suitable in 
the food, chemical, pharmaceutical, Oil & Gas and mining industry.
AX valves are manufactured according to 2014/34/EU Directive to be used 
in potentially explosive environment.
Flameproof solenoid operator is used extensively to prevent possible 
overheating or sparking of electrical equipment causing ignition in an 
potentially explosive atmosphere.
Flameproof solenoid coil is equipped with a robust enclosure which will 
contain an explosion in case should it occur.
All construction joints in the enclosure are known as flame paths which 
prevent the transmission of a flame from within the enclosure to the 
external atmosphere.

 

II 2G Ex db IIC T6 Gb

Technical data

Fluid

Compressed filtered air with or without lubrication. Lubrication, if started, must be continued.

Threaded connection

1/4 Gas - 1/4 NPT

Pressure range

Spring return: 2,5 ÷ 8 bar

Bistable: 2 ÷ 8 bar

3 positions: 2,5 ÷ 8 bar

Temperature range

-20°C ÷ +60°C

Protection grade

-

Ø Orifice

8 mm

Flow

1.100 Nl/min at 6 bar with ∆P 1 bar

Mounting

In any position (vertical assembly is not recommended for bistable valves subjected to vibration)

Manual override

Bistable

Electrical 
characteristic

Nominal voltage

12 VDC

24 VDC

24 VAC

110 VAC

120 VAC

220 VAC

240 VAC

Frequency

-

-

50 / 60 Hz

50 / 60 Hz

50 / 60 Hz

50 / 60 Hz

50 / 60 Hz

Nominal current

Nominal power

3.5 W

3.5 W

4 VA

4 VA

4 VA

4 VA

4 VA

Duty cycle

100% ED

Temp. class

T6

Response time (at 6 bar)

Energising: - ms

Energising: - ms

Energising: - ms

De-energising: - ms

De-energising: - ms

De-energising: - ms

 Materials

(1)

  

Body:

Stainless steel AISI 316L

1

3

6

2

4

5

7

2

(2)

 

Cover:

Stainless steel AISI 316L

(3)

 

Spool:

Hard aluminium anodized (AX series)
Stainless steel AISI 316 (AXX series)

(4)

 

Distancers:

Ixef 1022 (AX series)
Stainless steel AISI 316 (AXX series)

(5)

 

Seals:

Hydrogenate Nitrile Butadine Rubber (HNBR)

(6)

 

Spring

Stainless steel

(7)

 

Operator:

Stainless steel AISI 316L

5.84.1

Standard executions

Version

Symbol

Code

3/2 NC

12

2

3 1

For code key
see the table 

below

3/2 NO

23

2

1 3

3/2 solenoid/solenoid

10

12

2

3 1

5/2 solenoid/spring

14

4 2

5 3

1

5/2 solenoid/solenoid

12

14

4 2

5 13

5/2 solenoid/solenoid
differential

12

14

4 2

5 3

1

5/3 closed centres

12

14

4 2

5 3

1

5/3 open centres

12

14

4 2

5 3

1

5/3 pressurised centres

12

14

4 2

5 3

1

Code key

Series

Actuation

Size

Function

Hazardous areas

Voltages

AX1 

= Standard

AXX1*  = Completely in
  

stainless steel

AX1N

    

= NAMUR

AXX1N*

 

= NAMUR 

 

  

Completely in

 

  

stainless steel

* On reuqest

E = electrical Ø9

2  = 1/4 Gas
2N = 1/4 NPT

30 = 3/2 NC
31 = 3/2 NO
32 = 3/2 solenoid/solenoid
50 = 5/2 solenoid/spring
51 = 5/2 solenoid/solenoid
52 = 5/2 solenoid/solenoid
  

      differential

70 = 5/3 CC 
71 = 5/3 OC 
72 = 5/3 PC

 XC = II 2G Ex db IIC T6 Gb

B = 12 VDC
C = 24 VDC *

F =    24 VAC *
I  =  110 VAC *
M =  120  VAC
O =  220 VAC *
Q = 240  VAC

* = Standard voltages

Valves series AX1 - Flameproof coil Ex db

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex db

5.84.2

54,1

21,5

1

1

,5

1

8

,5

G 1/4

G 1/4

Ø 4.2

21,75

G 1/4

53,85

22

21,5

7

,5

3

2

1

2

,5

5

2

32,5

64,85

1

5

35

132,35

9

4

,2

3

0

M 20x1.5

54,1

54,1

21,5

1

1

,5

1

8

,5

G 1/4

G 1/4

Ø 4.2

G 1/4

53,85

22

53,85

7

,5

3

2

1

2

,5

5

2

64,85

64,85

1

5

35

35

199.7

9

4

,2

3

0

M 20x1.5

M 20x1.5

Version

Symbol

Code

Item

3/2 NC

12

2

3 1

AX1E230XC*

3/2 NO

23

2

1 3

AX1E231XC*

3/2 NC 
external air pilot

12

2

3 1

AX1K230XC*

Version

Symbol

Code

Item

3/2 solenoid/solenoid

10

12

2

3 1

AX1E232XC*

3/2 solenoid/solenoid
external air pilot

10

12

2

3 1

AX1K232XC*

* For coil voltage: see code key at page 5.84.1 

* For coil voltage: see code key at page 5.84.1 

5

Valves series AX1 - Flameproof coil Ex db

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex db

5.84.3

54,1

65,85

65,85

35

155.85

9

4

,2

22,75

1

5

1

8

,5

G 1/4

22,75

21,25

G 1/4

G 1/4

Ø 4.2

5

2

22

33

9

3

4

9

1

5

33

3

0

22

M 20x1.5

54,1

65,85

65,85

65,85

35

155.85

9

4

,2

35

22,75

1

5

1

8

,5

G 1/4

22,75

54,1

G 1/4

G 1/4

Ø 4.2

22

5

2

9

3

4

9

65,85

1

5

3

0

22

M 20x1.5

M 20x1.5

Version

Symbol

Code

Item

5/2 solenoid/spring

14

4 2

5 3

1

AX1E250XC*

Version

Symbol

Code

Item

5/2 solenoid/solenoid

12

14

4 2

5 13

AX1E251XC*

5/2 solenoid/solenoid
differential

12

14

4 2

5 3

1

AX1E252XC*

* For coil voltage: see code key at page 5.84.1 

* For coil voltage: see code key at page 5.84.1 

5.84.4

65,85

172,85

35

22,75

1

5

1

8

,5

G 1/4

22,75

54,1

G 1/4

G 1/4

Ø 4.2

22

5

2

9

3

4

9

71,1

82,85

82,85

35

9

4

,2

65,85

1

5

3

0

22

M 20x1.5

M 20x1.5

Version

Symbol

Code

Item

5/3 closed centres,
external air pilot

12

14

4 2

5 3

1

AX1K270XC*

5/3 open centres,
external air pilot

12

14

4 2

5 3

1

AX1K271XC*

5/3 pressurised centres
external air pilot

12

14

4 2

5 3

1

AX1K272XC*

Version

Symbol

Code

Item

5/3 closed centres

12

14

4 2

5 3

1

AX1E270XC*

5/3 open centres

12

14

4 2

5 3

1

AX1E271XC*

5/3 pressurised centres

12

14

4 2

5 3

1

AX1E272XC*

Valves series AX1 - Flameproof coil Ex db

1/4”, 3/2 - 5/2 - 5/3, IN LINE interface, electrically operated Ex db

* For coil voltage: see code key at page 5.84.1 

5

5.84.5

G 1/4

G 1/4

G 1/4

21,25

22,75

22,75

53,75

1

5

1

8

,5

3

0

35

155,5

32

24

64,5

32

12

12

M5

8

5

Ø 5,3

32

88,5

94

,2

5

2

1

1

,5

3

2

8

,5

M 20x1.5

G 1/4

G 1/4

G 1/4

53.75

22,75

22,75

53,75

35

35

223

64,5

24

64,5

12

12

M5

53,75

88,5

94

,2

5

2

1

1

,5

3

2

8

,5

1

5

1

8

,5

3

0

8

5

Ø 5,3

M 20x1.5

M 20x1.5

Functions 3/2

Functions 3/2

Valves series AX1 - Flameproof coil Ex db

1/4”, 3/2 - 5/2, NAMUR interface, electrically operated Ex db

Version

Symbol

Code

Item

3/2 NC

14

4

5 1

AX1NE230XC*

5/2 solenoid/spring

14

4 2

5 3

1

AX1NE250XC*

Version

Symbol

Code

Item

3/2 solenoid/solenoid

12

14

4

5 1

AX1NE232XC*

5/2 solenoid/solenoid

12

14

4

5

2

3

1

AX1NE251XC*

* For coil voltage: see code key at page 5.84.1 

* For coil voltage: see code key at page 5.84.1 

 

 

 

 

 

 

 

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