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BOSCH REXROTH
Z1S10TA50-2TB9-4X/F
R901274728
Check Valves

Check valves: Z1S 10.-4x/

$599.00

BOSCH REXROTH

MATERIAL:  R901274728

SUMMARY:  Check valves: Z1S 10.-4x/

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The valve type Z1S is a direct operated check valve in sandwich plate design.

It is used for the leakage-free blocking in one direction and allows for free flow in the opposite direction.

The stroke of the plastic poppet (1) is limited by the plastic socket (2). The installed spring (3) supports the closing movement. When no fluid flows through the valve, the spring (3) keeps the plastic poppet (1) in closed position. Optimum leak-tightness is already achieved at low pressures (0.1 x pmax).

 

Notice:

For all installation positions in which the plastic socket (2) is mounted at the plate side ➁, no additional seal ring may be used at this position! At the component side ➀, the seal ring (as usual) seals the assembly installed downstream.

The installed plastic socket (2) has a sealing function and may not be removed or damaged. Protrusion of the plastic socket (2) is required for design reasons (preload). Dependent on the included hydraulic fluid volume and its temperature variations, static pressure changes, which are not caused by leakage at the seat face, may occur.

Type Z1S 10 P.-1.TB.-2-4X/…

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

component side

plate side

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

Z1S

10

4X

/

F

/

*

01

Check valve, Sandwich plate design

Z1S

02

Size 10

10

Check valve 1 1) – in channel …

03

Channel A

A

Channel B

B

Channel P

P

Channel T

TA

Channel TB

TB

Check valve 1 1) – cracking pressure

04

Without spring

00

0,5 bar

05

3,0 bar

30

5,0 bar

50

Check valve 1 1) – installation direction

05

component side ➀ (direction of flow ➁ → ➀)

1

Plate side ➁ (direction of flow ➀ → ➁)

2

Check valve 1 1) – nozzle diameter (when used as throttle check valve)

06

Without throttle

no code

Ø0,5 mm

D05

Ø1,0 mm

D10

Ø1,5 mm

D15

Check valve 2 (optional) 1) – in channel …

07

Without check valve 2

no code

Channel B

B

Channel P

P

Channel T

TA

Channel TB

TB

Check valve 2 (optional) 1) – cracking pressure

08

Without check valve 2

no code

Without spring

00

0,5 bar

05

3,0 bar

30

5,0 bar

50

Check valve 2 (optional) 1) – installation direction

09

Without check valve 2

no code

component side ➀ (direction of flow ➁ → ➀)

1

Plate side ➁ (direction of flow ➀ → ➁)

2

Check valve 2 (optional) 1) – nozzle diameter (when used as throttle check valve)

10

Without throttle

no code

Ø0,5 mm

D05

Ø1,0 mm

D10

Ø1,5 mm

D15

11

Channels TA and TB free-flowing

no code

Channel TA closed

TA9

Channel TB closed

TB9

12

Component series 40 … 49 (40 … 49: unchanged installation and mounting dimensions)

4X

Seal material

13

FKM seals

F

Observe compatibility of seals with hydraulic fluid used. (Other seals upon request)

Additional pilot oil ports X and Y

14

Without X and Y

no code

With X and Y

XY

Measuring port G1/4

15

Without measuring port

no code

In channel A

MA

In channel B

MB

In channel P

MP

In channel TA

MTA

16

Without measuring port

no code

Measuring port input

A

Measuring port output

B

Corrosion resistance (outside; thick film passivated according to DIN 50979 Fe//Zn8//Cn//T0)

17

None (valve housing primed)

no code

Improved corrosion protection (240 h salt spray test according to EN ISO 9227)

J3

Special version 1)

18

Measuring port in P (G1/2)

068

With tank bracket

120

19

Further details in the plain text

*

1) Symbols; for the possible version, see "Symbols/Circuit diagrams"

general

Size

10

Weight

kg

2.3

Installation position

any

Ambient temperature range

°C

-20 … +80

For applications outside these parameters, please consult us!

hydraulic

Size

10

Maximum operating pressure

bar

350

Cracking pressure

bar

0.5 / 3 / 5

Maximum flow

l/min

100

Hydraulic fluid

see table

Hydraulic fluid temperature range 1)

°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) 2)

Class 20/18/15
1) At the valve working ports
2) 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, HLPD, HVLP, HVLPD

NBR, FKM

DIN 51524

90220

Bio-degradable

Insoluble in water

HETG

NBR, FKM

ISO 15380

90221

HEES

FKM

Soluble in water

HEPG

FKM

ISO 15380

Flame-resistant

Water-free

HFDU

FKM

ISO 12922

90222

HFDR

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.). The ignition temperature of the hydraulic fluid used must be 50 K higher than the maximum surface temperature. Flame-resistant - containing water: Maximum pressure differential per control edge 50 bar Pressure pre-loading at the tank port > 20 % of the pressure differential, otherwise increased cavitation Life cycle as compared to operation with mineral oil HL, HLP 50 … 100%. Bio-degradable and flame-resistant – containing water: If this hydraulic fluid is used, small amounts of dissolved zinc may get into the hydraulic system.

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

Δp-qV characteristic curves

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

component side

plate side

Version "A.-1"

(check valve in channel A)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "B.-2"

(Check valve in channel B)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "A.-2B"

(Check valve in channel A and B)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "TA.-2-TB9"

(Check valve in channel TA, TB closed)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "TA.-2D10"

(Check valve in channel A with orifice Ø1.0 mm)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "P.-1TA-2TB9"

(Check valve in channel TA and P, TB closed)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "TA.-2TB"

(Check valve in channel TA and TB)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "P.-1-.F/XY"

(Check valve in channel P, additionally channels X and Y)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "P.-1-4X/F/.MPB"

(check valve in channel P, measuring port P Out G1/4)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "TB.-2-TA9"

(Check valve in channel TB, TA closed)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Special versions

Version "P.-1…-068"

(Check valve in channel P, measuring port P (G1/2)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Version "TA.-2-TB9…-120"

(Check valve in channel TA, with tank bracket)

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Dimensions in mm

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/
1) on request (depending on order option)
technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Required surface quality of the valve contact surface

component side

plate side

1

Name plate

2

Identical seal rings for ports A, B, P, TA, and TB; identical seal rings for ports X and Y (plate side)

3

Plastic socket (position and number dependent on order option)

4

Valve mounting bores

5

Porting pattern according to ISO 4401-05-04-0-05 and ISO 4401-05-05-0-05

6

Plug screw for measuring port (position and quantity depend on order option)

Connection G1/4: Tightening torque MA = 30 Nm +10 % Connection G1/2 (Version "068"): Tightening torque MA = 80 Nm +10 %

7

Dimension of version "120"

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.

Check valve installation set: Disassembly and assembly

technical illustration-Z1S10TA50-2TB9-4X/F-Check valves: Z1S 10.-4x/

Disassembly/assembly without causing damage is achieved by using the special multi-purpose tool (1) (separate order, material no. R901182853).

 

Disassembly:

Push out the check valve installation set.

 

Assembly:

Insert the check valve installation set and push in the plastic socket (2).

With correct assembly using the special multi-purpose tool (1), the protrusion of the plastic socket (2) is approx. 0.3 mm.

 

Notice:

Once removed, plastic sockets may no not be used again.

 

Valve housing (steel) and plastic spool with plastic socket can be disassembled into individual components for proper disposal. Deviating from ISO 4401, port T is referred to with TA and port T1 is referred to with TB in this data sheet. The check valve installation set is available separately (plastic socket, plastic spool, spring): E-Mail: spare.parts@boschrexroth.de The plastic socket has a sealing function and may therefore not be damaged. For assembly and disassembly of the check valve installation set, a special multi-purpose tool is required, see "Assembly".

Troubleshooting

External leakage at the flow passages

Seal ring faulty.

Replace seal rings (seal kit).

Lip of the plastic socket is damaged.

Replace check valve installation set.

1)

Mounting screws tightened unevenly.

Loosen screws and tighten them again crosswise using the recommended tightening torque.

Internal leakage at the check valve installation set

Foreign particle on poppet surface.

Check poppet surface from the outside for foreign particles and remove them.

Poppet does not move freely.

Check free movement of the poppet from the outside using an appropriate mandrel.

Do not push the plastic socket out of the housing!

Leakage caused by downstream assembly.

Check if the check valve installation set is the reason for the leakage.

Hydraulic fluid quality does not correspond to the specification.

Check hydraulic fluid quality and adjust it to the specifications, if required.

Dependent on the included hydraulic fluid volume and its temperature variations, there may be pressure changes which are not due to leakage.

If the measures described above are not successful.

Completely replace the check valve installation set.

1)

External leakage at measuring points

Seal faulty.

Replace profile seal.

Plug screw or fitting not tightened correctly.

Tighten plug screw or fitting using the specified tightening torque.

1) Use the special multi-purpose tool to avoid damaging the plastic socket, see "Mounting".