Z2S10B2-3X/V
Manufacturer: Bosch Rexroth
Material #: R900428795
Model : Z2S10B2-3X/V
***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth Z2S10B2-3X/V (R900428795) is a sophisticated isolator valve designed for seamless integration into hydraulic systems requiring the leak-free blocking of actuator ports, even during extended periods of inactivity. This sandwich plate valve allows free flow from A to A or B to B while securely blocking flow in the opposite direction. Its functionality hinges on a control spool that, when activated, opens a ball seat valve and lifts the poppet from its seat, permitting fluid flow from B to B.
One of the key features of this model is its preopening characteristic, which ensures a damped decompression of pressurized fluid to mitigate potential switching shocks that could otherwise harm system components or generate noise. The Z2S10B2-3X/V is designed for reliability and smooth operation even under low pilot pressure conditions due to its two-stage setup with an enhanced control open ratio.
This particular model comes standard with preopening, but it is also available without this feature for applications where it may not be necessary. Users should be aware that valves lacking preopening may experience sudden unloading of pressure, which could lead to premature wear or noise.
The Z2S10B2-3X/V valve adheres to ISO porting patterns, ensuring compatibility with industry standards. It offers various cracking pressures and can be used as part of vertical stacking assemblies within hydraulic systems. To enhance longevity and resilience, the design includes corrosion protection. Additionally, check valve installation sets are available separately for those who require them.
In summary, the Bosch Rexroth Z2S10B2-3X/V (R900428795) is an advanced hydraulic component ensuring reliable operation and control within a wide range of hydraulic applications. Its thoughtful design emphasizes safety, efficiency, and compatibility with existing standards.
$492.00 USD
More are expected on May 29, 2025
Status: This product is temporarily out of stock.
Qty: Delivered as early as May 29, 2025 when ordered in
This product is eligible for factory repair.
The isolator valve type Z2S is a releasable check valve in sandwich plate design.
It is used for the leakage-free blocking of one or two actuator ports, also in case of longer standstill times.
In direction A① to A② or B① to B②, there is a free flow; in the opposite direction, the flow is blocked.
If, for example, there is a flow through the valve in direction A① to A②, the control spool (1) is moved in the direction of the B side, opens the ball seat valve (2) and then pushes the poppet (3) off its seat. Hydraulic fluid can now flow from B➁ to B➀.
In order to allow the ball seat valve (2) to be safely closed, the control spool (1) must be hydraulically unloaded (see circuit example).
Pre-opening
Due to the pre-opening, there is a damped decompression of the pressurized liquid. Thus, possible switching shocks are avoided. The two-stage set-up with an increased control open ratio means even low pilot pressure can be unloaded securely.Type Z2S 10 ‒… (with pre-opening)
Type Z2S 10 A…
Type Z2S 10 A…SO40
Type Z2S 10 A…SO60
Type Z2S 10 ‒…SO41 (without pre-opening)
Type Z2S 10 ‒…SO14
Circuit example, schematic
|
1 |
Control spool, area A2 |
|
2 |
Ball, area A3 |
|
4 |
Poppet, area A1 |
|
5 |
Stop |
|
6 |
Control spool, area A4 |
|
① |
component side |
|
② |
plate side |
Notice:
In valves without pre-opening, sudden unloading of pent-up pressure volume may occur. Resulting switching shocks may lead to premature wear on installed components, as well as noise formation.
Notice:
Deviating from ISO 4401, port T is in this data sheet called TA, port T1 is called TB.
(measured with HLP46, ϑOil = 40 ±5 °C)
Δp-qV characteristic curves
|
① |
component side |
|
② |
plate side |
Version "A"
Version “-”, “-...SO41” and “-...SO14”
Version "B"
Version "A…SO40"
Version "A…SO60"
Version “-...SO150”
Version "A3...QMA"
Version "B3...QMB"
Notice:
Deviating from ISO 4401, port T is in this data sheet called TA, port T1 is called TB.
Inductive position switch type QM
The electrical connection is realized via a 4-pole mating connector (separate order, see "Accessories") with connection thread M12 x 1.
|
Connection voltage: |
24 V +30 %/-15 %, direct voltage |
|
|
Admissible residual ripple: |
≤ 10 % |
|
|
Load capacity: |
maximum 400 mA |
|
Switching outputs:
|
PNP transistor outputs, load between switching outputs and GND |
|
Pinout:
|
1 |
+24 V |
|
2 |
Switching output: 400 mA |
|
|
3 |
0 V, GND |
|
|
4 |
Switching output: 400 mA |
|
Switching logics
Dimensions in mm
|
|
Required surface quality of the valve contact surface |
|
Type |
L1 |
L2 |
|
mm |
mm |
|
| Z2S 10 ...ohne Bez. | 13.5 | 13.5 |
| Z2S 10 ...SO14 | 13.5 | 38.5 |
| Z2S 10 A...SO40 | 6.5 | 13.5 |
| Z2S 10 B...SO40 | 13.5 | 6.5 |
| Z2S 10 ...SO41 | 13.5 | 13.5 |
| Z2S 10 ...SO60 | 13.5 | 13.5 |
| Z2S 10 ...SO150 | 13.5 | 13.5 |
|
① |
component side |
|
② |
plate side |
|
1 |
Name plate |
|
2 |
Through hole for valve mounting |
|
3 |
Identical seal rings for ports A, B, P, TA and TB |
|
4 |
Plug screw SW30, tightening torque MA = 40+5 Nm |
|
5.1 |
Version with position switch “QMA” (for circuitry refer to "Electrical connection") |
|
5.2 |
Version with position switch “QMB” (for circuitry refer to "Electrical connection") |
|
6 |
Porting pattern according to ISO 4401-05-04-0-05, ISO 4401-05-05-0-05; deviating from ISO 4401, port T is referred to with TA and port T1 is referred to with TB in this data sheet. |
Valve mounting screws (separate order)
|
Size |
Quantity |
Hexagon socket head cap screws |
Material number |
|
10 |
4 |
ISO 4762 - M6 10.9 |
- |
Notice:
Length and tightening torque of the valve mounting screws must be calculated according to the components mounted under and over the sandwich plate valve.
Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1
4P Z24
Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1
4P Z24
For sensors and valves with connector “K24”, “K35” and “K72” Mating connectors M12, 4-pole, line cross-section 0.75 mm2Data sheet
Spare parts & repair
Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1, with assembled connection line
4P Z24 +
Mating connectors for sensors and valves with connector “K24”, “K35” and “K72”, M12 x 1, with assembled connection line
4P Z24 +
For sensors and valves with connector “K24”, “K35” and “K72” Mating connectors M12, 4-pole, line cross-section 0.75 mm2Data sheet
Spare parts & repair
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