Hydrotech Acquires Isaacs
Hydrotech ecommerce supports the continental US only

BOSCH REXROTH
M-SR25KE15-1X/V
R900500220
Check Valves

Check valves: M-SR 25.-1x/

$421.17

BOSCH REXROTH

MATERIAL:  R900500220

SUMMARY:  Check valves: M-SR 25.-1x/

Add to Cart

01

02

03

04

 

05

06

 

07

08

M-SR

 

 

 

1X

 

/

 

*

01

Check valve, cartridge design

M-SR

Size

02

Size 6 (not version "KE")

6

Size 8

8

Size 10

10

Size 15

15

Size 20

20

Size 25

25

Size 30

30

Unit design

03

Angle valve

KE

Straight-through valve

KD

Cracking pressure

04

0 bar, without spring (not version "KD")

00

0,2 bar

02

0.5 bar (standard)

05

1,5 bar

15

3,0 bar

30

5,0 bar

50

05

Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions)

1X

Orifice in channel B (version "KD" only)

06

Without orifice

no code

Core hole M4

B00

Nozzle Ø 1.0 mm

B10

Nozzle Ø 1.2 mm

B12

Seal material (observe compatibility of seals with hydraulic fluid used, see "Technical data")

(version "KE" only)

07

NBR seals

no code

FKM seals

V

08

Further details in the plain text

*

general

Size

6 8 10 15 20 25 30

Weight

Angle valve "KE"

kg

- 0.03 0.05 0.08 0.14 0.32 0.47

Straight-through valve "KD"

kg

0.05 0.1 0.2 0.25 0.3

Installation position

any

Ambient temperature range

NBR seals

°C

-20 … +80

FKM seals

°C

-20 … +80

MTTFD values according to EN ISO 13849 1)

150 Years
1) For further details, see data sheet 08012 and 90294

hydraulic

Size

6 8 10 15 20 25 30

Maximum operating pressure

bar

420

Cracking pressure

See characteristic curves

Maximum flow

l/min

15 35 50 120 200 300 400

Hydraulic fluid

see table "Hydraulic fluid"

Hydraulic fluid temperature range

NBR seals

°C

-30 … +80

FKM seals

°C

-20 … +80

Viscosity range

mm²/s

2.8 … 500

Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 1)

Class 20/18/15
1) 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

Suitable sealing materials

Standards

Data sheet

Mineral oils

HL, HLP

NBR, FKM

DIN 51524

90220

Bio-degradable

Insoluble in water

HETG

FKM

ISO 15380

90221

HEES

FKM

Soluble in water

HEPG

FKM

ISO 15380

Flame-resistant

Water-free

HFDU (glycol base)

FKM

ISO 12922

90222

HFDU (ester base)

FKM

Containing water

HFC (Fuchs Hydrotherm 46M, Petrofer Ultra Safe 620)

NBR

ISO 12922

90223

Important information on hydraulic fluids:

For more information and data on the use of other hydraulicfluids, 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.). Flame-resistant - containing water: Life cycle as compared to operation with mineral oil HL, HLP 30 … 100%. Maximum hydraulic fluid temperature 60 °C

For applications outside these parameters, please consult us!

Angle valve (measured with HLP46, ϑOil = 40 ±5 °C)

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 8

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 10

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 15

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 20

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 25

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 30

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Straight-through valve (measured with HLP46, ϑOil = 40 ±5 °C)

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 6

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 8

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 10

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 15

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 20

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 25

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Pressure differential Δp dependent on the flow qV at cracking pressure

Size 30

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

With spring

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Without spring

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Angle valve "KE"

Dimensions in mm

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

Straight-through valve "KD"

Dimensions in mm

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/
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

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/
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

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/
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

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/
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

technical illustration-M-SR25KE15-1X/V-Check valves: M-SR 25.-1x/

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

Plug screw according to ZN 10001

Size

Seal material

Designation

Material number

Tightening torques MA ±10 %

Buy

Plug screw according to ZN 10001

Size

Seal material

Designation

Material number

Tightening torques MA ±10 %

Buy

Nm

8 NBR ZN10001-G3/8A-N-ST R913011602 55 eShop
FKM ZN10001-G3/8A-F-ST R913011610 eShop
10 NBR ZN10001-G1/2A-N-ST R913011603 80 eShop
FKM ZN10001-G1/2A-F-ST R913011611 eShop
15 NBR ZN10001-G3/4A-N-ST R913011604 135 eShop
FKM ZN10001-G1 1/2A-F-ST R913011612 eShop
20 NBR ZN10001-G1A-N-ST R913011605 225 eShop
FKM ZN10001-G1A-F-ST R913011613 eShop
25 NBR ZN10001-G1 1/4A-N-ST R913011606 360 eShop
FKM ZN10001-G1 1/4A-F-ST R913011614 eShop
30 NBR ZN10001-G1 1/2A-N-ST R913011607 400 eShop
FKM ZN10001-G1 1/2A-F-ST R913011615 eShop

Plug screw according to RN 143.28 – up to 315 bar

Size

Seal material

Designation

Material number

Tightening torques MA ±10 %

Buy

Nm

25 NBR M42X1,5-ST/320/NBR R900323609 300 eShop
FKM M42X1,5-ST/320/FKM R900301957 eShop
30 NBR M48X1,5-ST/320/NBR R900323610 325 eShop
FKM M48X1,5-ST/320/FKM R900301958 eShop

Plug screw according to RN 143.28 – up to 420 bar

Size

Seal material

Designation

Material number

Tightening torques MA ±10 %

Buy

Nm

25 NBR M42X2-ST-PRECOTE85/630/NBR R901183335 300 eShop
FKM M42X2-ST-PRECOTE85/630/FKM R901253503 eShop
30 NBR M48X2-ST-PRECOTE85/630/NBR R901183336 325 eShop
FKM M48X2-ST-PRECOTE85/630/FKM R901253504 eShop
Show all products