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ZDR10VP4-3X/315YMV/12

Manufacturer: Bosch Rexroth

Material #: R978918944

Model : ZDR10VP4-3X/315YMV/12

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$1,341.00 USD

Availability: Backordered

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Delivered as early as December 21, 2026

$1,408.05 USD

Availability: Backordered

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Delivered as early as December 21, 2026

This product is eligible for factory repair.

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Sandwich plate valve Porting pattern according to ISO 4401-05-04-0-05 4 pressure ratings 4 optional adjustment types:• Rotary knob• Sleeve with hexagon and protective cap• Lockable rotary knob with scale• Rotary knob with scale Check valve, optional (versions "A" and "B") Pressure gauge connection

Pressure valves of type ZDR 10 V are pilot-operated pressure reducing valves in sandwich plate design. They are used for reducing a system pressure.

The pressure valves basically consist of pilot control valve (1) and housing (2). The secondary pressure is set via the adjustment type (4).

Pressure reduction in channel P➀ ("P")

In initial position, the valves are open. Hydraulic fluid can flow from channel P➁ to channel P➀ without restrictions.

The pressure in channel P➀ acts simultaneously at the main spool (6), via the bore (5) at the spring-loaded inside of the main spool (6) and via the nozzle (9) on the pilot poppet (8).

If the pressure in channel P➁ exceeds the value set at the compression spring (7), the pilot poppet (8) opens.

Hydraulic fluid flows from the spring-loaded inside of the main spool (6) via the nozzle (9) and the pilot poppet (8) into the spring chamber (10). The main spool (6) assumes its control position and keeps the value in channel P➀ set at the compression spring (7) constant. The pilot oil return from the spring chamber (10) is realized via port TA.

Pressure reduction in channel A➁ and B➁ ("A" and "B")

For free return flow from channel A➁ to A➀ / B➁ to B➀ , a check valve can be optionally installed (not possible with version "P").

A pressure gauge connection (3) enables control of the secondary pressure.

Type ZDR 10 VP5–3X/.YM…

➀	component side
➁	plate side

01	02	03	04	05	06		07		08	09	10	11	12	13
Z	DR	10	V			–	3X	/		Y				*

01	Sandwich plate valve	Z
02	3-way pressure reducing valve	DR
03	Size 10	10
04	Pilot-operated	V
Pressure reduction
05	In channel A2	A
	In channel B2	B
	In channel P1	P
Adjustment type
06	Rotary knob	4
	Sleeve with hexagon and protective cap	5
	Lockable rotary knob with scale	6 1)
	Rotary knob with scale	7
07	Component series 30 ... 39 (30 ... 39: unchanged installation and connection dimensions)	3X
Secondary pressure
08	Up to 50 bar	50
	Up to 100 bar	100
	Up to 200 bar	200
	Up to 315 bar	315
09	Internal pilot oil supply, external pilot oil return	Y
10	With check valve (only versions "A" and "B")	no code
10	Without check valve	M
Seal material
11	NBR seals	no code
	FKM seals	V
	Observe compatibility of seals with hydraulic fluid used. (Other seals upon request)
Connection thread
12	Pipe thread according to ISO 228/1	no code
12	SAE thread	12
13	Further details in the plain text	*

	1) H-key with material no. R900008158 is included in the scope of delivery

Notice! Preferred types and standard units are specified in the EPS (standard price list).

general

Size			10
Weight (approx.)	Version "A"	kg	2.3
	Version "P"	kg	2.3
	Version "B"	kg	2.7
Ambient temperature range	NBR seals	°C	-30 … +80
Ambient temperature range	FKM seals	°C	-20 … +80
Storage temperature range	NBR seals	°C	-30 ... +80
Storage temperature range	FKM seals	°C	-20 ... +80

hydraulic

Size			10
Maximum set pressure		bar	50 100 200 315
Maximum inlet pressure	Port A①	bar	315
	Port B①	bar	315
	Port P②	bar	315
Maximum secondary pressure	Port A②	bar	315
	Port B②	bar	315
	Port P①	bar	315
Maximum counter pressure	Port TA	bar	160
Maximum counter pressure	Port TB	bar	160
Maximum flow		l/min	100
Hydraulic fluid			see table
Hydraulic fluid temperature range	NBR seals	°C	-30 … +80
Hydraulic fluid temperature range	FKM seals	°C	-20 … +80
Viscosity range		mm²/s	10 … 800
Maximum admissible degree of contamination of the hydraulic fluid 1)			Class 20/18/15 according to ISO 4406 (c)

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
Mineral oils		HL,HLP	NBR, FKM	DIN 51524
Bio-degradable	Insoluble in water	HETG	NBR, FKM	VDMA 24568
	Insoluble in water	HEES	FKM	VDMA 24568
	Soluble in water	HEPG	FKM	VDMA 24568
Containing water	Water-free	HFDU, HFDR	FKM	ISO 12922
Containing water	Containing water	HFC (Fuchs Hydrotherm 46M, Petrofer Ultra Safe 620)	NBR	ISO 12922
Important information on hydraulic fluids! For further information and data on the use of other hydraulic fluids, please refer to data sheet 90220 or contact us! There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.)! Flame-resistant – containing water: Maximum pressure differential per control edge 210 bar210 bar, otherwise, increased cavitation Life cycle compared to operation with mineral oil HL, HLP 30 to 100 % Maximum hydraulic fluid temperature 60 °C

For applications outside these parameters, please consult us!

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

pA-qV characteristic curves

pA-qV characteristic curves (up to 50 bar)

Δpmin-qV characteristic curves

Δp-qV characteristic curves

qV St-qV characteristic curves at Δp (pE – pA)

➀	component side
➁	plate side

Pressure reduction in channel A➁ (“A”)

Pressure reduction in channel B➁ (“B”)

Pressure reduction in channel A➁ (“A…M”)

Pressure reduction in channel B➁ (“B…M”)

Pressure reduction in channel P➀ (“P…M”)

Notice!

Deviating from ISO 4401, port T is referred to as TA and port T1 is referred to as TB in this data sheet.

Versions "A" and "P"

Dimensions in mm

➀	plate side – Porting pattern according to ISO 4401-05-04-0-05
➁	component side – Porting pattern according to ISO 4401-05-04-0-05
1	Name plate
2	Adjustment type "4"
3	Adjustment type "5"
4	Adjustment type "6"
5	Adjustment type "7"
6	Dimensions required to remove the key
7	Valve mounting bores
8	Lock nut SW24
9	Hexagon SW10
10	Identical seal rings for ports A➁, B➁, P➁, TA➁, TB➁ (plate side)
11	Pressure gauge connection G1/8 ; 8.5 deep; internal hexagon SW5
12	Hexagon SW30, tightening torque MA = 50 Nm

Valve mounting screws (separate order)

4 hexagon socket head cap screws ISO 4762 - M6 - 10.9-flZn-240h-L

Friction coefficient µtotal = 0.09 to 0.14,

Tightening torque MA = 12 Nm ± 10 %

Notices!

Deviating from ISO 4401, port T is referred to as TA and port T1 is referred to as TB in this data sheet. Bored for port X and Y (e. G. for pilot-operated directional valve NG10), version SO30 is applicable! The dimensions are nominal dimensions which are subject to tolerances.

Version "B"

Dimensions in mm

➀	plate side – Porting pattern according to ISO 4401-05-04-0-05
➁	component side – Porting pattern according to ISO 4401-05-04-0-05
1	Name plate
2	Adjustment type "4"
3	Adjustment type "5"
4	Adjustment type "6"
5	Adjustment type "7"
6	Dimensions required to remove the key
7	Valve mounting bores
8	Lock nut SW24
9	Hexagon SW10
10	Identical seal rings for ports A➁, B➁, P➁, TA➁, TB➁ (plate side)
11	Pressure gauge connection G1/8 ; 8.5 deep; internal hexagon SW5
12	Hexagon SW30, tightening torque MA = 50 Nm

Rexroth Training

ZDR10VP4-3X/315YMV/12

Manufacturer: Bosch Rexroth

Material #: R978918944

Model : ZDR10VP4-3X/315YMV/12

Availability: Backordered

Availability: Backordered

This product is eligible for factory repair.

Type ZDR 10 VP5–3X/.YM…

general

hydraulic

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

pA-qV characteristic curves

pA-qV characteristic curves (up to 50 bar)

Δpmin-qV characteristic curves

Δp-qV characteristic curves

qV St-qV characteristic curves at Δp (pE – pA)

Pressure reduction in channel A➁ (“A”)

Pressure reduction in channel B➁ (“B”)

Pressure reduction in channel A➁ (“A…M”)

Pressure reduction in channel B➁ (“B…M”)

Pressure reduction in channel P➀ (“P…M”)

Versions "A" and "P"

Version "B"

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