HY-CHECK VALVE M-SR 20 KE05-1X/
Manufacturer: Bosch Rexroth
Material #: R900340979
Model : M-SR 20 KE05-1X/
***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 M-SR 20 KE05-1X (R900340979) is a high-quality check valve designed for hydraulic applications. This cartridge-style valve is engineered to enable leak-free blocking in one direction, ensuring efficient and reliable operation in various hydraulic systems. It boasts a maximum operating pressure of up to 315 bar (4568 psi) and can handle a maximum flow of 20 liters per minute (5.28 gpm), making it suitable for high-pressure environments.
The M-SR 20 KE05-1X check valve is part of the MSR product family, which is known for its robustness and performance. It features a poppet-type spool, ensuring precise fluid control and durability. The valve's sealing material is NBR (nitrile butadiene rubber), which provides excellent resistance to oils and hydraulic fluids such as HL, HLP, and HFC.
Designed for direct acting operation, this model does not require pressure presetting, allowing for straightforward installation and maintenance. The product type MSR indicates its suitability for modular integration into block designs, whether as an angle valve or as a straight-through valve.
With its nominal flow capacity and the option to choose from various cracking pressures, the Bosch Rexroth M-SR 20 KE05-1X check valve offers versatility to meet diverse application needs. Its compact size and weight make it an ideal choice for space-constrained installations without compromising on performance or reliability.
$301.00 USD
Availability: 393 In Stock
Note: Sales tax, shipping, and applicable tariffs will be calculated at checkout.| Qty | Price | Savings |
|---|---|---|
| 5+ | $293.47 USD | $7.53 USD |
Qty: Delivered as early as April 22, 2025 when ordered in
This product is eligible for factory repair.
Angle valve (measured with HLP46, ϑOil = 40 ±5 °C)
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 8
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 10
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 15
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 20
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 25
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 30
Straight-through valve (measured with HLP46, ϑOil = 40 ±5 °C)
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 6
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 8
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 10
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 15
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 20
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 25
Pressure differential Δp dependent on the flow qV at cracking pressure
Size 30
With spring
Without spring
Angle valve "KE"
Dimensions in mm
Straight-through valve "KD"
Dimensions in mm
| 1) | For dimensions, see installation bores |
|
NG |
L-0,1 |
|
mm |
|
| 6 | - |
| 8 | 36.3 |
| 10 | 39.3 |
| 15 | 45.8 |
| 20 | 55.3 |
| 25 | 74.3 |
| 30 | 83.3 |
|
1 |
Plug screws, separate order, see "Accessories" |
|
2 |
Seat with -60 °C shrink-fitted |
|
3 |
Poppet stroke |
Installation bores
Installation bore: Angle valve "KE" – plug screw according to ZN 10001
Dimensions in mm
| 1) | Dimensions for countersinking the screw head. For lower installation of the installation kit, dimension T7 has to be extended accordingly. |
| 2) | Depth of fit |
| 3) | Pipe thread "G" according to ISO 228/1 |
|
1 |
Range for outlet bore |
|
NG |
pN |
ØD1 |
ØD2 |
D3 |
ØD4H8 |
ØD5 |
ØD6H7 |
T1 |
T2 |
T3 |
T4 |
T5 |
T6 |
T7 |
X |
Z |
||
|
bar |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
||
| 8 | 420 | 23 | 17.1 | G3/8 | 14 | 8 | 13 | 48.5 | + 0.1 | 47.5 | 38.5 | 20 | 15 | 12 | 6 | + 0.5 | 18 | 0.05 |
| 10 | 420 | 28 | 21.4 | G1/2 | 18 | 10 | 17 | 53.5 | + 0.1 | 52.5 | 43.5 | 24 | 18 | 14 | 6 | + 0.5 | 19 | 0.05 |
| 15 | 420 | 33 | 26.8 | G3/4 | 24 | 15 | 22 | 62 | + 0.1 | 60.5 | 50 | 26 | 20.5 | 16 | 6 | + 0.5 | 24 | 0.05 |
| 20 | 420 | 41 | 33.8 | G1 | 30 | 20 | 28 | 71.5 | + 0.1 | 70 | 56.5 | 26 | 20.5 | 16 | 7 | + 0.5 | 30 | 0.05 |
| 25 | 250 | 51 | 42.5 | G1 1/4 | 38 | 25 | 36 | 90.5 | + 0.1 | 88 | 72.5 | 28 | 22 | 16 | 7 | + 0.5 | 43 | 0.1 |
| 30 | 250 | 56 | 48.5 | G1 1/2 | 44 | 30 | 42 | 99.5 | + 0.1 | 96.5 | 79.5 | 31 | 22 | 16 | 7 | + 0.5 | 48 | 0.1 |
Notice:
Plug screws, separate order, see "Accessories"
Oiling of plug screws prior to installation is recommended.
Installation bore: Angle valve – plug screw according to RN 143.28 – up to 315 bar
Dimensions in mm
| 1) | Dimensions for countersinking the screw head. For lower installation of the installation kit, dimension T7 has to be extended accordingly. |
| 2) | Depth of fit |
| 3) | Metric ISO fine thread according to DIN 13 |
|
1 |
Range for outlet bore |
|
NG |
pN |
ØD1 |
ØD2H8 |
D3 |
ØD4H8 |
ØD5 |
ØD6H7 |
T1 |
T2 |
T3 |
T4 |
T5 |
T6 |
T7 |
T8 |
X |
||||
|
bar |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
||
| 25 | 315 | 56 | + 0.5 | 44 | M42 x 1,5 | 38 | 25 | 36 | 106.5 | + 0.1 | 104 | 88.5 | 45 | 39 | 33 | 5 | + 0.5 | 12 | + 0.2 | 43 |
| 30 | 315 | 62 | + 0.5 | 50 | M48 x 1,5 | 44 | 30 | 42 | 115.5 | + 0.1 | 112.5 | 95.5 | 48 | 39 | 33 | 5 | + 0.5 | 12 | + 0.2 | 48 |
Notice:
Plug screws, separate order, see "Accessories"
To be replaced in case of maintenance.
Installation bore: Angle valve – plug screw according to RN 143.28 – up to 420 bar
Dimensions in mm
| 1) | Dimensions for countersinking the screw head. For lower installation of the installation kit, dimension T7 has to be extended accordingly. |
| 2) | Depth of fit |
| 3) | Metric ISO fine thread according to DIN 13 |
|
1 |
Range for outlet bore |
|
NG |
pN |
ØD1 |
ØD2H8 |
D3 |
ØD4H8 |
ØD5 |
ØD6H7 |
ØD7 |
ØD8 |
T1 |
T2 |
T3 |
T4 |
T5 |
T6 |
T7 |
T8 |
X |
||||
|
bar |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
||
| 25 | 420 | 51 | + 0.5 | 44 | M42 x 2 | 38 | 25 | 36 | 37.58 | 35.58 | 101.5 | + 0.1 | 100 | 83.5 | 40 | 34 | 27 | 6 | + 0.5 | 7.8 | + 0.2 | 43 |
| 30 | 420 | 61 | + 0.5 | 50 | M48 x 2 | 44 | 30 | 42 | 43.58 | 41.58 | 110.5 | + 0.1 | 108.5 | 90.5 | 43 | 34 | 27 | 6 | + 0.5 | 7.8 | + 0.2 | 48 |
Notice:
Plug screws, separate order, see "Accessories" Oiling of plug screws prior to installation is recommended. From an operating pressure larger 350 bar, the plug screw has to be glued by means of Loctite 243 over the complete thread circumference.Installation bore: Straight-through valve
Dimensions in mm
|
NG |
ØD1H7 |
ØD3H8 |
D4 1) |
ØD5 |
D4 2) |
ØD5 |
ØD6 |
T1 |
T2 3) |
T3 |
T4 3) |
T5 |
T6 |
Z |
Poppet stroke |
|||
|
mm |
mm |
mm 1) |
mm |
mm 2) |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
|||
| 6 | 10 | 11 | G1/4 | 13.6 | ± 0.1 | M14 x 1,5 | 14.4 | ± 0.1 | 25 | 29.8 | - 0.1 | 27.8 | 21.8 | 19 | 12 | 16 | 0.1 | 4 |
| 8 | 13 | 14 | G3/8 | 17.1 | ± 0.1 | M18 x 1,5 | 18.4 | ± 0.1 | 28 | 32.8 | - 0.1 | 30.8 | 22.8 | 18 | 12 | 16 | 0.1 | 4 |
| 10 | 17 | 18 | G1/2 | 21.4 | ± 0.1 | M22 x 1.5 | 22.4 | ± 0.1 | 34 | 38.8 | - 0.1 | 36.8 | 28.8 | 21 | 14 | 19 | 0.1 | 4 |
| 15 | 22 | 24 | G3/4 | 26.8 | ± 0.1 | M27 x 2 | 27.4 | ± 0.1 | 42 | 48.4 | - 0.1 | 46.4 | 36.4 | 27 | 16 | 21 | 0.2 | 5 |
| 20 | 28 | 30 | G1 | 33.8 | ± 0.1 | M33 x 2 | 33.5 | ± 0.1 | 47 | 59 | - 0.1 | 57 | 44 | 29 | 18 | 24 | 0.2 | 5 |
| 25 | 36 | 38 | G1 1/4 | 42.5 | ± 0.1 | M42 x 2 | 42.5 | ± 0.1 | 58 | 73 | - 0.1 | 71 | 55 | 39 | 20 | 26 | 0.2 | 7 |
| 30 | 42 | 44 | G1 1/2 | 48.5 | ± 0.1 | M48 x 2 | 48.5 | ± 0.1 | 65 | 83 | - 0.1 | 81 | 63 | 42 | 22 | 28 | 0.2 | 7 |
| 1) | Pipe thread "G" according to ISO 228/1 |
| 2) | Metric ISO fine thread according to DIN 13 |
| 3) | Depth of fit |
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