ASCO
ASCO - 238 Series Pilot Operated
2/2
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) |
IP-class | IP65 |
Standard voltages | DC (=) 24 V |
Connection | DIN 43650/A |
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Design |
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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 |
|
Dimensions
|
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 | ||||
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| water |
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| G | mm | m³/h | l/min. | min. | ~ | = | ~ | = |
Brass housing, NBR seals |
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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
- 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
Selected variant
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 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 |
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) |
IP-class | IP65 |
Standard voltages | DC (=) 24 V |
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 |
|
Dimensions
|
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
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