Meter-in pressure compensator, direct operated ZDC 6

Артикул: RX7662

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Meter-in pressure compensator, direct operated ZDC 6

Name: Meter-in pressure compensator, direct operated ZDC 6
Brand: Bosch Rexroth
SKU: RX7662

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Description

Size 6
Component series 1X
Maximum operating pressure 250 bar
Maximum flow 35 l/min

Features

Sandwich plate valve
Porting pattern according to DIN 24340 form A
Load compensation in channel P → A or P → B by installed shuttle valve
2-way version "P"
Flow control in case of interaction with proportional directional valve

Product description

Valves of type ZDC are direct operated supply pressure compensators in 2-way version.

As with all throttle cross-sections, the flow of proportional throttle valves and directional valves depends on the pressure differential Δp.

The effect of a load-compensated, electrical flow control valve results from the combination of throttle valve (measuring throttle) and pressure compensator which keeps the pressure differential Δp at the measurement throttle constant. The pressure differential is determined by the pressure compensator spring and depending on the selected design, it ranges between 8 and 25 bar.

The combination of a proportional directional valve with a pressure compensator results in the effect of a flow control valve for 2 directions. The changing load pressure is to be scanned via a shuttle valve. If pulling loads result during deceleration of mass, counterholding valves are to be provided.

Type code

01	02	03	04	05		06		07	08	09	10
Z	DC	6	X		-	1X	/		M		*

01	Sandwich plate valve	Z
02	Meter-in pressure compensator	DC
03	Size 6	6
04	Porting pattern according to DIN 24340 form A	X
05	Load compensation in channel P	P
05	Load compensation in channel A	A
06	Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions) - Size 10	1X
Pressure differential
07	8 bar	8
	14 bar	14
	25 bar	25
Seal material
08	NBR seals	M
09	No special version	no code
	Special setting with directional valve 4WRPE	-291
	Control in P on component side; supply optionally A or P; pilot pressure from B	-287
	Flow in A; pilot pressure from T	-292
10	Further details in the plain text	*

Technical data

allgemein

Nenngröße		6
Geräteserie		1X
Einbaulage		Any
Masse	kg	1.5

hydraulisch

Maximaler Betriebsdruck	bar	250
Maximum flow 1)	l/min	35
Druckflüssigkeitstemperaturbereich	°C	-20 … +70
Maximal zulässiger Verschmutzungsgrad der Druckflüssigkeit; Reinheitsklasse nach ISO 4406 (c) 2)		Class 20/18/15
Viskositätsbereich	mm²/s	15 … 380

1)	depending on the pressure differential
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

Mineral oils and related hydrocarbons

HL, HLP, HLPD, HVLP, HVLPD

NBR

DIN 51524

Important information on hydraulic fluids:

For more information and data on the use of other hydraulic fluids please contact us.

There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.).

Diagrams/characteristic curves

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

Flow control P → A, P → B

Symbols/Circuit diagrams

Type ZDC..P-2X/...-291

Type ZDC..P-2X/...-292

Dimensions

Dimensions in mm

➀	component side - porting pattern according to DIN 24340 form A
➁	plate side - porting pattern according to DIN 24340 form A
1	Name plate
2	Valve mounting bores
3	Identical seal rings for ports A, B, P, and T
Valve mounting screws (separate order) 4 hexagon socket head cap screws ISO 4762 - M5 - 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.