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BOSCH REXROTH
R900247925


$18,312.34 USD
  • BOSCH REXROTH
  • Material:R900247925
  • Model:SF 150 B1-1-4X//12

Quantity in stock: 0

Note: Sales tax, and shipping will be calculated at checkout.
***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 SF 150 B1-1-4X//12 (R900247925) is a high-quality pilot-operated check valve designed for tank installation and characterized by its robust construction and reliable performance. This model features a housing with a low-pressure flange that can be continuously rotated, providing flexibility and ease of installation in various system configurations. The SF 150 B1-1-4X//12 is equipped with a control cylinder and comes with a clear nameplate for easy identification. The valve's design includes connection ports G for draining, which require a specific tightening torque, and mounting screws for secure attachment. Both port Y and port X can be connected to a flange upon request, ensuring adaptability to different hydraulic circuits. The number of flange mounting screws is evenly arranged at the circumference type of connection A, while the number of valve mounting screws is also evenly arranged around the circumference for stable installation. This Bosch Rexroth check valve comes in version QGZ without position switches, although there is an option to include an inductive position switch if needed. It offers quiet operation due to implemented damping measures that reduce switching noises. The SF 150 B1-1-4X//12 provides the capability for higher operating pressures upon request, demonstrating its suitability for demanding applications. The cartridge valve operates without control open spool check valve functionality and boasts impressive specifications such as compatibility with high maximum operating pressures and substantial maximum flow rates per minute. This model's size and component series X are indicative of its capacity to handle rigorous industrial tasks while maintaining efficiency and reliability within hydraulic systems.

Type SF . .1-1-4X/…

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Type SF . A0-1-4X/Q2G24Z

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Type SF . .0-1-4X/…

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Type SF . .0-1-4X/…

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Type SF 500 .1-1-4X/…

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

1

Housing with low-pressure flange, continuously rotatable

2

Name plate

3

Control cylinder

4

Connection G1 1/2 (draining); tightening torque MA = 300 Nm ±10 %

5

Ring

6

Mounting screws

7

Port Y; connection flange on request

8

Port X; connection flange on request

9 N1

Number of the flange mounting screws evenly arranged at the circumference (type of connection "A")

10 N2

Number of the valve mounting screws evenly arranged at the circumference

11

Version "without position switch"

12

Version "Q2G24Z"

01

Prefill valve

SF

02

Size 125

125

Size 150

150

Size 200

200

Size 250

250

Size 300

300

Size 350

350

Size 400

400

Size 500 (only version "A" and "B")

500

03

Flange connection

A

Tank installation

B

Screw-in cartridge valve without control spool (check valve)

K

04

without pre-decompression

0

With pre-decompression

1

Spring feedback of the main poppet

05

Cracking pressure ≈ 0.2 bar

1

06

Component series 40 to 49 (40 to 49: unchanged installation and connection dimensions)

4X

Spool position monitoring

07

Without position switch

no code

With inductive position switch, position monitoring "open", with connector plug (only version "A0")

Q2G24Z

Seal material

08

NBR seals

no code

Other seals on request

Connection thread

09

Pipe thread according to ISO 228/1

no code

Special version

10

Standard

no code

Operating pressure 420 bar (restricted size selection, please contact us)

SO102

Operating pressure 500 bar (restricted size selection, please contact us)

SO104

11

Further details in the plain text

*

01

02

03

04

05

06

07

08

09

10

11

SF

1

4X

 

/

*

general

Nenngröße

125 150 200 250 300 350 400 500

Masse

Version "A"

kg

75 135 185 365 625 1200 1580 3400

Version "B"

kg

60 105 145 295 545 1000 1400 3100

Version "K"

kg

45 90 105 205 355 670 950 -

Installation position

any

hydraulic

Size

125 150 200 250 300 350 400 500

Maximum operating pressure

Anschluss A

bar

16

Port B

bar

350

Anschluss X

bar

350

Port Y

bar

350

Cracking pressure 1)

bar

≈ 0.2

Maximum flow 2)

Case of application 1

l/min

2500 3900 5600 10000 15600 22480 30600 50000

Case of application 2

l/min

2500 3900 5600 10000 14000 19050 24880 40000

Case of application 3

l/min

1700 2440 4340 6775 9750 13280 17340 28000

Case of application 4

l/min

1470 2120 3770 5890 8480 11540 15080 25000

Case of application 5

l/min

590 850 1510 2360 3400 4620 6050

Druckflüssigkeit

see table

Hydraulic fluid temperature range

°C

-30 … +80

Viscosity range

mm²/s

10 … 800

Maximum admissible degree of contamination of the hydraulic fluid 3)

Class 20/18/15 according to ISO 4406 (c)
1) Pressure differential at the main poppet for overcoming the spring force
2) A to B, Δp = 0.3 bar
3) 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

Mineral oils and related hydrocarbons

HL, HLP, HVLP

NBR, FKM 3)

DIN 51524

Bio-degradable

Insoluble in water

HETG

NBR, FKM 3)

VDMA 24568

HEES

FKM 3)

Soluble in water

HEPG

FKM 3)

VDMA 24568

Flame-resistant

Water-free

HFDU, HFDR

FKM 3)

ISO 12922

HFC

NBR

ISO 12922

Important information on hydraulic fluids!

Flame-resistant and bio-degradable:

3) Upon request

Flow ‒ case of application 1 (A to B)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Flow ‒ case of application 2 (A to B)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Flow ‒ case of application 3 (A to B)

Size of the filling tank at least 1.5 x cylinder content

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Flow ‒ case of application 4 (A to B)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Flow ‒ case of application 5 (A to B)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Notice!

An underdimensioned prefill valve and/or an underdimensioned line leads to gas leaks from the hydraulic fluid with corresponding consequences and often to long-term damage at the cylinder seals.

For boundary areas, please ask us!

Information on case of application 1 to 5

For limit areas, please contact us. It is often enough, to select a pipeline which is one size larger.

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

1

Cylinders

2

Prefill valve

3

This sheet is not included in the scope of delivery. With smaller tank dimensions and minimum hydraulic fluid level (a), it prevents the formation of tunnels.

a

at least 300 mm with extended cylinder

b

up to 1000 mm with the specified maximum flows

c

h ≤ 500 mm

h

300 mm ≤ h < 500 mm

For applications outside these parameters, please consult us!

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

Δp-qv characteristic curves – NG125 … 250 (A → B)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Δp-qv characteristic curves – NG125 … 250 (A → B)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Δp-qv characteristic curves – NG125 … 250 (B → A)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Δp-qv characteristic curves – NG125 … 250 (B → A)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Version "A" and "B" (NG125 to 400)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Version "A" and "B" (NG500)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Version "K" (NG125 to 400)

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Version "A", flange connection

Poppet geometry and determination of the minimum pilot pressure

Dimensions in mm

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Dimensions in mm

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Modification from type of connection „A“ to „B“

Loosen the mounting screws (6) Remove the ring (5) Remove the housing (1)

Rotate the housing (1)

Loosen the mounting screws (6) Rotate the housing (1) Tighten the mounting screws (6)

Version "B", tank installation

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Modification from type of connection „B“ to type of connection „K“

Loosen the mounting screws (6) Remove the control cylinder (3)

Version "A" and "B"

Version "K", cartridge valve without control spool

Dimensions in mm

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request
1) 1) Depth of fit

Control cover with remote control port

Dimensions in mm

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request
1) 1) Depth of fit

1

Housing with low-pressure flange, continuously rotatable

2

Name plate

3

Control cylinder

4

Port G1 1/2; tightening torque MA = 300 Nm ±10 %

5

Ring

6

Mounting screws

7

Port Y; connection flange on request

8

Port X; connection flange on request

9 N1

Number of the flange mounting screws evenly arranged at the circumference (type of connection "A")

10 N2

Number of the valve mounting screws evenly arranged at the circumference

11

Version "without position switch"

12

Version "Q2G24Z"

Dimensions in mm

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request
1) 1) Depth of fit

Dimensions in mm

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request
1) 1) Depth of fit

Notice!

Valve contact face (e.g. pressing cylinders, bearing structures, etc.) must be sufficiently rigid!

The prefill valve must not be loaded by bending!

Dimensions

NG

B1

B2

B3

ØD1

ØD2

D3

ØD4

ØD5

ØD6

ØD7

ØD8

ØD9

ØD10

ØD11

ØD12

ØD13

ØD14

ØD15

ØD16

D17 1)

ØD18

ØD19

ØD20

ØD21

H1

H2

H3

H4

H5

H6

H7

H8

H9

N1

N2

T1

T2 2)

T3

T4

T5

T6

T7

T8

R1

R2

W1

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

°

125 210 22 3 110 42 G3/4 178 250 188 132 210 18 33 120 175 200 250 310 180 M30 159 156 130 105 490 136 185 35 80 515 25 207 28 8 12 37 26 5 40 1 14 12 3 3 0.5 30
150 250 22 3 130 42 G3/4 229 285 212 159 240 22 40 145 220 250 310 380 230 M36 200 195 160 130 604 160 220 35 90 603 26 248 31 8 12 37 26 5 60 1 14 12 3 3 0.5 30
200 275 24 3 150 47 - 273 340 268 207 295 22 40 155 265 290 350 420 270 M36 235 230 185 155 695 180 255 35 100 671 27 298 36 12 15 37 26 5 50 1 14 12 3 3 0.5 24
250 330 26 3 190 58 G1 1/4 356 405 320 260 355 26 46 180 350 380 445 530 355 M42 315 310 250 206 835 240 320 55 120 756 38 379 44 12 18 57 42 8 60 1 21 19 4.5 5 1.6 20
300 380 28 4 225 58 G1 1/4 419 460 378 310 410 26 46 220 420 450 525 610 425 M42 375 370 300 255 1085 305 390 55 160 935 38 442 59 12 24 57 42 8 75 1 21 19 4.5 5 1.6 15
350 440 30 4 275 65 G1 1/2 508 520 438 340 470 26 55 295 515 550 640 750 520 M52 455 450 350 305 1259 360 460 55 200 1045 50 500 60 16 24 57 42 8 80 1 30 27 8 5 1.6 15
400 530 32 4 320 65 G1 1/2 572 580 490 390 525 30 68 345 600 625 720 850 605 M64 530 525 400 355 1463 423 510 55 210 1195 63 577 80 16 20 57 42 8 95 1 30 27 6 5 1.6 18
500 620 34 4 398 - - 802 715 610 492 650 33 68 450 770 800 940 1070 785 M64 750 745 - - 1750 700 600 55 250 1290 70 686 90 20 24 60 45 10 110 2 - - - 5 - 15
1) In earlier data sheet versions, fine threads were moreover specified. Please note when selecting the mounting screws!
2) Depth of fit

Poppet geometry and determination of the minimum pilot pressure – Version "A" and "B"

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request
1) Not applicable for version "without pre-decompression" (SF...0...)

Poppet geometry and determination of the minimum pilot pressure – Version "K"

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

A1

Effective area of the main poppet

A2

Effective area of the pilot poppet

A3

Effective area of the control spool

s1

Stroke of the main poppet

s2

Stroke of the control spool

F1

Spring force of the valve spring

F2

Spring force of the compression spring of the control spool

Vst X

Pilot oil volume for opening the valve

Vst Y

Pilot oil volume for closing the valve

pSt

Pilot pressure at port X

pB

System pressure at port B

technical illustration-R900247925-Pilot operated check valve, with or without pre-decompression Flange connection Tank installation Cartridge valve without control open spool (check valve) Reduced switching noises due to damping measures Rotatable low-pressure connection (housing) Inductive position switch, optional Higher operating pressures, on request

Example: Type SF 300 ...

pB = 30 bar;

pSt = 4.0 x 30 bar = 120 bar

NG

A1

A2 1)

A3

s1

s2

F1

F2

VstX

Vst Y

Unchecking ratio

cm²

cm²

cm²

mm

mm

N

N

cm³

cm³

125 101 2.5 24.6 28 25 220 … 360 780 … 2,340 62 - 4.1 0.1
150 153.9 3.8 38.5 35 29 350 … 570 1,530 … 3,550 112 4 0.1
200 216.4 4.9 50.3 42 34 490 … 760 1,920 … 4,540 171 4.3 0.1
250 373.3 9.6 95 53 41 870 … 1,460 4,160 … 7,260 390 3.9 0.1
300 572.6 13.9 143.1 63 48 1,490 … 2,630 6,080 … 11,040 687 4 0.1
350 826.6 21.2 213.8 78 58 2,180 … 3,880 9,490 … 15,600 1240 3.9 0.1
400 1158 32.2 314.2 93 68 3,310 … 6,230 13,900 … 22,570 2136 3.7 0.1
500 1948 49 490.9 140 100 6,520 … 13,800 - 4909 1767 4 0.1
1) Not applicable for version "without pre-decompression" (SF...0...)
2) Without pre-decompression
3) With pre-decompression