Important notice - Our website is under going construction, therefore you may notice some issues. Please bare with us and contact or customer support team if you need any product information - 0116 284 9900
Important notice - Our website is under going construction, therefore you may notice some issues. Please bare with us and contact or customer support team if you need any product information - 0116 284 9900
ASCO
There are many different versions of series 551. It can be provided with most voltage variants, with ATEX approved coil for explosive environments and with a low power pilot valve. In addition to aluminium, housing is available in SS316 steel or brass for low temperatures, -40 °C. All electrically and air operated valves with Aluminium housing have environmental protection as standard. This means that all the internal parts are totally sealed against fluids, dust, corrosive substances etc. that may be present in the direct surroundings. Even the exhaust from the return chamber is led to the exhaust ports via an internal channel. For further protection, the pilot exhaust can also be led away to prevent contamination. The environmental protection makes the 551 series an excellent choice for both dirty environments and clean rooms. The electrical enclosure protection for all models is IP65.
General Data |
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|---|---|
| IP class | IP65 |
| Flow factor / flow coefficient | 12,5 |
| Connection | G1/4 |
Material Data |
|
| Material of seals | NBR, PUR |
| Material internal parts | Aluminium, POM, Stainless steel |
Additional Data |
|
|---|---|
| Weight | 0,43 kg |
| Close delay | 11 ms |
| Pressure max | 10 bar |
| Approvals | IEC, TÜV |
| Power consumption | 0 W |
| Throughput | 6 mm |
| Type of valve | Electrically controlled |
| Short circuit protection | Yes |
| Response time off | 14 ms |
| Temperature operational min | -25 °C |
| Temperature operational max | 60 °C |
| Material coil | Epoxy |
| Connection port 1-2 | G1/4 |
| Connection port 3 | G1/4 |
| Differential pressure max | 10 bar |
| Differential pressure min | 2 bar |
| Flow max | 860 l/min |
| Function 1 | 3/2 |
| Function 2 | Normally Closed (SPST) |
| Manual operation | Yes |
| Material of body | Anodised aluminum |
| Material plunger | Stainless steel |
| Material short-circuit ring | Copper |
| Mounting | None |
There are many different versions of series 551. It can be provided with most voltage variants, with ATEX approved coil for explosive environments and with a low power pilot valve. In addition to aluminium, housing is available in SS316 steel or brass for low temperatures, -40 °C. All electrically and air operated valves with Aluminium housing have environmental protection as standard. This means that all the internal parts are totally sealed against fluids, dust, corrosive substances etc. that may be present in the direct surroundings. Even the exhaust from the return chamber is led to the exhaust ports via an internal channel. For further protection, the pilot exhaust can also be led away to prevent contamination. The environmental protection makes the 551 series an excellent choice for both dirty environments and clean rooms. The electrical enclosure protection for all models is IP65.
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When selecting a SUCO mechanical pressure switch, it's essential to consider several key factors...
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When it comes to solenoid valves, reliability and ease of maintenance are essential. That’s why our new Emerson, high flow solenoid valve is designed with unique features that streamline testing, commissioning, and ongoing operation.
Did you get a chance to visit IATECH at The Leicester Marriott Hotel? We had over 33 exhibitors and 8 fantastic Tech Talks throughout the day, Read all about the day, here.
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| Parts | Flow factor / flow coefficient | Connection | Material of seals | Material internal parts | Weight | Close delay | Pressure max | Approvals | Power consumption | Throughput | Type of valve | Short circuit protection | Response time off | Material coil | Connection port 1-2 | Connection port 3 | Function 1 | Function 2 | Manual operation | Material plunger | Material short-circuit ring | Mounting | Voltage AC | Voltage dc | Price | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Valve 3/2 NC. Monostable w/o coil. G1/4
Art:
G551A005MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
0 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
3/2
|
Normally Closed (SPST)
|
Yes
|
Stainless steel
|
Copper
|
None
|
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| ||
|
Valve 3/2NC G1/4. sol / spring 230/50
Art:
SCG551A005MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
2,5 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
3/2
|
Normally Closed (SPST)
|
Yes
|
Stainless steel
|
Copper
|
None
|
230 V
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| ||
Art:
SCG551A005MSS2
Copied
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1/4 BSP
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1/4 BSP
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1/4 BSP
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3/2
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Normally Closed (SPST)
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24 V
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Valve 3/2 NC 24VDC G1/4"
Art:
SCG551A005MSS3
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
3 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
3/2
|
Normally Closed (SPST)
|
Yes
|
Stainless steel
|
Copper
|
None
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24 V
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| ||
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Bistable valve 3/2 NC without coil
Art:
G551A006MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,35 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
0 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
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Epoxy
|
G1/4
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G1/4
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3/2
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Normally Closed (SPST)
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Yes
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Stainless steel
|
Copper
|
None
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| ||
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Bistable valve 3/2 NC 230 VAC G1/4"
Art:
SCG551A006MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,35 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
2,5 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
3/2
|
Normally Closed (SPST)
|
Yes
|
Stainless steel
|
Copper
|
None
|
230 V
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| ||
Art:
SCG551A006MSS2
Copied
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1/4 BSP
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1/4 BSP
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1/4 BSP
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3/2
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Normally Closed (SPST)
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24 V
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Bistable valve 3/2 NC 24VDC G1/4"
Art:
SCG551A006MSS3
Copied
|
12,5
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G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,35 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
3 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
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Epoxy
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G1/4
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G1/4
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3/2
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Normally Closed (SPST)
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Yes
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Stainless steel
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Copper
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None
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24 V
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Valve 5/2. Monostable w/o coil. G1/4
Art:
G551A017MS
Copied
|
12,5
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G1/4
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NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,35 kg
|
11 ms
|
10 bar
|
IEC, TÜV
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0 W
|
6 mm
|
Electrically controlled
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Yes
|
14 ms
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Epoxy
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G1/4
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G1/4
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5/2
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Power steering with spring return
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Yes
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Stainless steel
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Copper
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None
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Valve 5/2 monostable. 230VAC, G1/4"
Art:
SCG551A017MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,35 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
2,5 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
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G1/4
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G1/4
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5/2
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Power steering with spring return
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Yes
|
Stainless steel
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Copper
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None
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230 V
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Art:
SCG551A017MSS2
Copied
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1/4 BSP
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Electrically controlled
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5/2
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Power steering with spring return
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24 V
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Valve, 5/2, G1/4", 24VDC
Art:
SCG551A017MSS3
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,35 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
3 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
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G1/4
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5/2
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Power steering with spring return
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Yes
|
Stainless steel
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Copper
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None
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24 V
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| ||
Valve 5/2. Bistable w/o coil. G1/4
Art:
G551A018MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
0 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
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G1/4
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5/2
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Electric
|
Yes
|
Stainless steel
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Copper
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None
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Valve 5/2. Bistable 230 VAC. G1/4"
Art:
SCG551A018MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
2,5 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
5/2
|
Electric
|
Yes
|
Stainless steel
|
Copper
|
None
|
230 V
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| ||
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Art:
SCG551A018MSS2
Copied
|
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G1/4
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6 mm
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G1/4
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G1/4
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5/2
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Electric
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24 V
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Valve 5/2. Bistable 24 VDC G1/4
Art:
SCG551A018MSS3
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
3 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
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5/2
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Electric
|
Yes
|
Stainless steel
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Copper
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None
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24 V
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| ||
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Valve 5/3. Closed center .w/o coil. G1/4
Art:
G551A067MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
0 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
5/3
|
Closed center position
|
Yes
|
Stainless steel
|
Copper
|
None
|
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| ||
|
Valve 5/3. Closed center. Sol/Spring 230 VAC. G1/4
Art:
SCG551A067MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
2,5 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
5/3
|
Closed center position
|
Yes
|
Stainless steel
|
Copper
|
None
|
230 V
|
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| ||
|
Art:
SCG551A067MSS2
Copied
|
|
1/4 BSP
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5/3
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Closed center position
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24 V
|
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| ||
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Valve 5/3. Closed center, Sol/spring. 24 VDC. G1/4"
Art:
SCG551A067MSS3
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
3 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
5/3
|
Closed center position
|
Yes
|
Stainless steel
|
Copper
|
None
|
|
24 V
|
| ||
|
Valve 5/3. Open center w/o coils. G1/4
Art:
G551A068MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
0 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
5/3
|
Vented central position
|
Yes
|
Stainless steel
|
Copper
|
None
|
|
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| ||
|
Valve 5/3. Open center. Sol/Spring 230 VAC. G1/4"
Art:
SCG551A068MS
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
2,5 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
5/3
|
Vented central position
|
Yes
|
Stainless steel
|
Copper
|
None
|
230 V
|
|
| ||
|
Art:
SCG551A068MSS2
Copied
|
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1/4 BSP
|
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5/3
|
Vented central position
|
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24 V
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| ||
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Valve 5/3. Open center. Sol/Spring. 24 VDC. G1/4"
Art:
SCG551A068MSS3
Copied
|
12,5
|
G1/4
|
NBR, PUR
|
Aluminium, POM, Stainless steel
|
0,43 kg
|
11 ms
|
10 bar
|
IEC, TÜV
|
3 W
|
6 mm
|
Electrically controlled
|
Yes
|
14 ms
|
Epoxy
|
G1/4
|
G1/4
|
5/3
|
Vented central position
|
Yes
|
Stainless steel
|
Copper
|
None
|
|
24 V
|
|
Select a variant in the list
