M-SR25KE05-1X/

For installation in block designs

• As angle valve

• As straight-through valve
Leakage-free blocking in one direction
Various cracking pressures, optional

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
03	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
07	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
Weight	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
Ambient temperature range	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
Hydraulic fluid temperature range	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
	Insoluble in water	HEES	FKM	ISO 15380
	Soluble in water	HEPG	FKM	ISO 15380
Flame-resistant	Water-free	HFDU (glycol base)	FKM	ISO 12922	90222
	Water-free	HFDU (ester base)	FKM	ISO 12922	90222
	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 values, please consult us!)

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

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

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

Angle valve "KE"

Dimensions in mm

Straight-through valve "KD"

Dimensions in mm

1)	For dimensions, see installation bores

NG	L-0,1
NG	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
NG	bar	mm	mm	D3		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
NG	bar	mm	mm	mm	D3		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
NG	bar	mm	mm	mm	D3		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
NG	mm	mm	D4 1)	mm 1)	mm	D4 2)	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

NG	L-0,1
6	-
8	36.3
10	39.3
15	45.8
20	55.3
25	74.3
30	83.3

NG	pN	ØD1	ØD2	D3	ØD4H8	ØD5	ØD6H7	T1	T2	T3	T4	T5	T6	T7	X	Z
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

NG	pN	ØD1	ØD2H8	D3	ØD4H8	ØD5	ØD6H7	T1	T2	T3	T4	T5	T6	T7	T8	X
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

NG	pN	ØD1	ØD2H8	D3	ØD4H8	ØD5	ØD6H7	ØD7	ØD8	T1	T2	T3	T4	T5	T6	T7	T8	X
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

NG	ØD1H7	ØD3H8	D4 1)	ØD5	D4 2)	ØD5	ØD6	T1	T2 3)	T3	T4 3)	T5	T6	Z	Poppet stroke
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

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

Quantity:
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Product Category

general

hydraulic

(For applications outside these values, please consult us!)

general

hydraulic

(For applications outside these values, please consult us!)

Angle valve "KE"

Straight-through valve "KD"

Installation bores

Installation bore: Angle valve "KE" – plug screw according to ZN 10001

Installation bore: Angle valve – plug screw according to RN 143.28 – up to 315 bar

Installation bore: Angle valve – plug screw according to RN 143.28 – up to 420 bar

Installation bore: Straight-through valve

Angle valve "KE"

Straight-through valve "KD"

Installation bores

Installation bore: Angle valve "KE" – plug screw according to ZN 10001

Installation bore: Angle valve – plug screw according to RN 143.28 – up to 315 bar

Installation bore: Angle valve – plug screw according to RN 143.28 – up to 420 bar

Installation bore: Straight-through valve

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

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

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

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

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

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

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

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

Pressure differential Δp dependent on the flow qV at cracking pressure

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