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ASCO
ASCO

ASCO - 238 Series Pilot Operated

2/2

  • Normally closed
  • 3/8" up to 2" pipe size
  • Air, inert gas & water
  • Housing in brass or stainless steel
  • Flow rates from 2.1 up to 34 m3/h

Product description

Differential pressure

0-10 bar

Max. allowed pressure

16 bar

Max. viscosity

40 cSt (mm²/s)

Response time

15-120 ms

Media

Water

Media temperature

-20 °C to +85 °C NBR (nitrile)

Ambient temperature

-20 °C to +75 °C (6 W coil)
-20 °C to +50 °C (9/15.3 W coil)

IP-class

IP65

Standard voltages

DC (=) 24 V
AC (~) 24 V-115 V-230 V/50 Hz

Connection

DIN 43650/A

 

 

Design

 

Valve body

Brass

Core tube

Stainless 305SS

Core

Stainless 430FSS

Spring

Stainless 302SS

Seat

Brass

Seals

NBR

Diaphragm

Fibreglass-reinforced NBR

Shading ring

Copper

Coil

Epoxy

 

NC

Connecting drawing to 2/2 Direktverkande 3/8

 

Dimensions

2/2 Direktverkande 3/8

 

Valve

A

B

C

D

E

F

G

H

J

K

Weight (kg)

SCG238A044

80

45

27.5

52

39

27

37

72

85

104

0.55

SCG238A046

80

45

27.5

52

39

27

37

72

85

104

0.5

SCG238A047

80

45

27.5

65

39

27

58

74

87

106

0.75

SCG238A048

80

45

27.5

67

39

32

58

76

92

111

0.7

SCG238A049

80

45

27.5

86

39

41

73

92

112

131

1.3

SCG238A050

80

45

27.5

86

39

41

73

92

112

131

1.2

 

Order number

Item no.

Connection

Orifice

Flow factor Kv

Differential pressure bar

Power W

 

 

 

 

 

water

 

 

 

G

mm

m³/h

l/min.

min.

~

=

~

=

Brass housing, NBR seals

 

 

 

 

 

 

 

SCG238A044

3/8

12.5

2.1

35

0

10

10

6

15.3

SCG238A046

1/2

12.5

2.1

35

0

10

10

6

15.3

SCG238A047

1/2

19.0

4.2

70

0

10

10

6

15.3

SCG238A048

3/4

19.0

4.5

75

0

10

10

6

15.3

SCG238A049

3/4

25.0

10.0

166

0

10

10

9

15.3

SCG238A050

1

25.0

10.0

166

0

10

10

9

15.3



Repair kits and coils

 

Item number

Item number

 

Repair kit

Coils

Valve

AC

DC

24 V DC

24 V AC

115 V AC

230 V AC

SCG238A044

C132486

C132487

400325242

400325101

400325118

400325117

SCG238A046

C132486

C132487

400325242

400325101

400325118

400325117

SCG238A047

C132488

C132489

400325242

400325101

400325118

400325117

SCG238A048

C132488

C132489

400325242

400325101

400325118

400325117

SCG238A049

C132490

C132491

400325242

400325201

400325218

400325217

SCG238A050

C132490

C132491

400325242

400325201

400325218

400325217

 

Special versions

  • Other voltages

Accessories

  • Cable connector - C18209N21

Part numbers

Parts Price Connection Flow factor / flow coefficient Flow max Material of body Power consumption RSK number Temperature operational max Throughput Weight
G3/8 2,1 35 l/min Brass 6 W 4528043 75 °C 12,5 mm 0,55 kg
G1/2 2,1 35 l/min Brass 6 W 4528060 75 °C 12,5 mm 0,5 kg
G1/2 4,2 70 l/min Brass 6 W 4528063 75 °C 19 mm 0,75 kg
G3/4 10 166 l/min Brass 9 W 50 °C 25 mm 1,3 kg
G3/4 10 166 l/min 9 W 50 °C 25 mm 1,3 kg
G1 10 166 l/min Brass 9 W 4528062 50 °C 25 mm 1,2 kg

Part

SCG238A044
Solenoid valve 2/2 NC 3/8" 230/50

Technical data

Connection G3/8
Differential air pressure max 10 bar
Differential pressure max 10 bar
Differential pressure min 0 bar
Differential water pressure max 10 bar
Flow factor / flow coefficient 2,1
Flow max 35 l/min
Function 1 2/2
Function 2 Normally Closed (SPST)
IP class IP65
Material body Brass
Material coil Epoxy
Material internal parts Stainless steel
Material membrane NBR
Material of body Brass
Material of seals NBR
Material plunger Stainless steel
Material plunger tube Stainless steel
Material seat Brass
Material short-circuit ring Copper
Power consumption 6 W
Pressure max 16 bar
RSK number 4528043
Temperature of media from -20 °C
Temperature of media to 85 °C
Temperature operational max 75 °C
Temperature operational min -20 °C
Throughput 12,5 mm
Weight 0,55 kg
Viscosity max 40 cSt
Voltage AC 230 V

Resource

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