BOSCH REXROTH
R901454190
$239.25 USD
- BOSCH REXROTH
- Material:R901454190
- Model:S25A05-1X/420J3/12
Quantity in stock: 0
The Bosch Rexroth S25A05-1X/420J3/12 (R901454190) is a mechanically actuated industrial hydraulic seat valve that stands out for its high performance and reliable, leakage-free blocking of selected ports. This direct-actuated valve is part of component series X and features a spool symbol A B, indicating its specific functionality within the system. It's designed to withstand maximum pressure levels and offers an electrical connection that simplifies integration into various hydraulic circuits. This model boasts impressive corrosion protection, having passed a rigorous salt spray test for hours according to EN ISO standards, which ensures its longevity even in harsh operating environments. The S25A05-1X/420J3/12 valve has a total of ports for comprehensive control and is characterized by its mechanical actuation, which provides precise operation without the need for electrical power. With a size specification that denotes its capacity for handling fluid flow, the valve can accommodate a max flow rate of l/min. It comes with threaded connections for secure installation and has switching positions to facilitate versatile system configurations. Weighing in at kg, it's robust yet manageable in terms of installation and maintenance. The Bosch Rexroth S25A05-1X/420J3/12 is compatible with a wide range of hydraulic fluids including HL, HLP, HLPD, HVLP, HVLPD, HETG, HEES, HEPG, HFDU, HFDR, and HFC. This compatibility ensures that it can be integrated seamlessly into systems with different fluid requirements. Additionally, the option to select various cracking pressures allows users to tailor the valve's performance to specific application needs. In summary, this Bosch Rexroth industrial hydraulic valve is engineered for high-performance applications requiring precise mechanical actuation and leak-free operation across numerous ports with robust construction ensuring durability under demanding conditions.
Size 25, A → B, mechanically actuated
Industrial hydraulic valve in a high performance range. Reliable leakage-free blocking of selected ports.
Unpacked Weight: 2.401 kg
| Seat valve |
| Direct actuated |
| Improve corrosion protection (salt spray test for 240 hours according to EN ISO 9227) |
| Size 6 … 30 |
| Maximum operating pressure 450 bar |
| Component series 1X |
| Maximum flow 450 l/min |
| Data Sheet | Download Data Sheet |
| 3D CAD | Download 3D CAD |
| Manual | Download Manual |
| Manual | Download Manual |
| Manual | Download Manual |
| Manual | Download Manual |
| Manual | Download Manual |
| Spool symbol | A → B |
| Max. pressure | 450 |
| Electrical connection description | 0 |
| Productgroup ID | 9,10,11,12,13,14 |
| Number of ports | 2 |
| Type of actuation | with mechanical actuation |
| Size | 25 |
| Max. flow | 350 |
| Type of connection | Threaded connection |
| Connection diagram | Pipe thread G1 5/8-12 UN |
| Number of switching positions | 2 |
| Weight | 2.401 |
| Seals | without |
| Hydraulic fluid | HL,HLP,HLPD,HVLP,HVLPD,HETG,HEES,HEPG,HFDU,HFDR,HFC |
|
01 |
02 |
03 |
04 |
05 |
06 |
07 |
08 |
09 |
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S |
A |
- |
1X |
/ |
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Type |
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01 |
Isolator valve |
S |
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Size |
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02 |
Size 6 |
6 |
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Size 8 |
8 |
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Size 10 |
10 |
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Size 15 |
15 |
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Size 20 |
20 |
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Size 25 |
25 |
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Size 30 |
30 |
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Connection |
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03 |
Threaded connection |
A |
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Cracking pressure (see characteristic curves) |
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04 |
0 bar (without spring) |
00 |
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0,2 bar |
02 |
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0.5 bar (standard) |
05 |
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1,5 bar |
15 |
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3,0 bar |
30 |
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5 bar |
50 |
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8 bar (only NG25 and 30) |
80 |
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Component series |
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05 |
Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions) |
1X |
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Maximum operating pressure |
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06 |
Maximum operating pressure 420 bar (Nominal size 25 and 30) |
420 |
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Maximum operating pressure 450 bar (Nominal size 6 ... 20) |
450 |
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Corrosion resistance |
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|
07 |
Improved corrosion protection (240 h salt spray test according to EN ISO 9227) |
J3 |
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High corrosion protection (720 h salt spray test according to EN ISO 9227) |
J5 |
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Piston bore (orifice in channel B) |
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08 |
Without piston bore |
no code |
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Thread M4; not fitted |
B00 |
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Orifice Ø1.0 mm |
B10 |
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Orifice Ø1.2 mm |
B12 |
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Orifice Ø1.5 mm |
B15 |
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Connection thread 1) |
||
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09 |
Pipe thread "G" according to ISO 228-1 |
no code |
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Pipe thread "M" according to ISO 261 |
/2 |
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Pipe thread “UNF/UN” according to ANSI/ASME B 1.1 |
/12 |
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| 1) | Other versions available on request |
general
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Size |
6 | 8 | 10 | 15 | 20 | 25 | 30 | |
|
Weight |
kg |
0.1 | 0.2 | 0.3 | 0.5 | 1 | 2 | 2.5 |
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MTTFD values according to EN ISO 13849 |
Years |
150 1) | ||||||
| 1) | Not for version "00"; Certificate "Assumed exclusion of faults according to EN ISO 13849-2:2012-10 tab. C4" available upon request. For further details, see data sheet 08012 |
hydraulic
|
Size |
6 | 8 | 10 | 15 | 20 | 25 | 30 | |
|
Maximum operating pressure 1) |
bar |
450 | 420 | |||||
|
Cracking pressure |
See characteristic curves | |||||||
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Maximum flow |
See characteristic curves | |||||||
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Hydraulic fluid |
see table | |||||||
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Hydraulic fluid temperature range |
°C |
-30 … +80 | ||||||
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Viscosity range |
mm²/s |
2.8 … 500 | ||||||
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Maximum admissible degree of contamination of the hydraulic fluid 2) |
Class 20/18/15 according to ISO 4406 (c) | |||||||
| 1) | Maximum operating pressures up to 1000 bar upon request. |
| 2) | The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter. |
|
Hydraulic fluid |
Classification |
Standards |
Data sheet |
|
|
Mineral oils |
HL,HLP, HLPD, HVLP, HVLPD |
DIN 51524 |
90220 |
|
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Bio-degradable 1) |
Insoluble in water |
HETG |
ISO 15380 |
90221 |
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HEES |
||||
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Soluble in water |
HEPG |
ISO 15380 |
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Flame-resistant |
Water-free |
HFDU (glycol base) |
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HFDU (ester base) 1) |
ISO 12922 |
90222 |
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Containing water 1) |
HFC (Fuchs Hydrotherm 46M, Petrofer Ultra Safe 620) |
ISO 12922 |
90223 |
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Important information on hydraulic fluids: For further information and data on the use of other hydraulic fluids, please refer to the data sheets above or contact us. There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.). The ignition temperature of the hydraulic fluid used must be 50 K higher than the maximum surface temperature. Flame-resistant – containing water: Life cycle as compared to operation with mineral oil HL, HLP 30 … 100% Maximum hydraulic fluid temperature 60 °C |
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| 1) | Small amounts of dissolved zinc may get into the hydraulic system during use. |
For applications outside these parameters, please consult us!
(measured with HLP46, ϑOil = 40 ±5 °C)
∆p-qV characteristic curves with cracking pressure
Size 6
Size 8
Size 10
Size 15
Size 20
Size 25
Size 30
Without spring
With spring
With piston bore/orifice
Dimensions in mm
|
NG |
6 | 8 | 10 | 15 | 20 | 25 | 30 | |||
|
ØD1 |
mm |
22.5 | 28 | 34 | 34 | 42 | 52 | 68 | 74.5 | |
|
D2 |
G |
G1/4 | G3/8 | - | G1/2 | G3/4 | G1 | G1 1/4 | G1 1/2 | |
|
M |
M14 x 1,5 | M18 x 1,5 | - | M22 x 1.5 | M27 x 2 | M33 x 2 | M42 x 2 | M48 x 2 | ||
|
UNF/UN |
- | - | 3/4-16 UNF | 3/4-16 UNF | 1 1/6-12 UN | 1 5/16-12 UN | 1 5/8-12 UN | 1 7/8-12 UN | ||
|
L1 |
G |
mm |
58 | 58 | - | 72 | 88 | 98 | 120 | 132 |
|
M |
mm |
58 | 58 | - | 72 | 88 | 98 | 120 | 132 | |
|
UNF/UN |
mm |
- | - | 66 | 72 | 92 | 105 | 120 | 132 | |
|
L1 |
mm |
- | 160 1) | 168 1) | ||||||
|
L2 |
mm |
10.5 | 11.5 | 13 | 13 | 15.5 | 19 | 25 | 28 | |
|
T1 |
G |
mm |
13 | 13 | - | 15 | 18 | 19 | 22 | 22.5 |
|
M |
mm |
12 | 12 | - | 14 | 16 | 18 | 20 | 22 | |
|
UNF/UN |
mm |
- | - | 15 | 15 | 20 | 20 | 20 | 20 | |
|
SW |
G |
mm |
19 | 24 | 30 | 30 | 36 | 46 | 60 | 65 |
| 1) | Version "...A80..." |