Rexroth Pressure reducing valve, direct operated ZDR6D Series
Size 6
Component series 4X
Maximum operating pressure 350 bar
Maximum flow 50 l/min
Features
Sandwich plate valve
Porting pattern according to ISO 4401-03-02-0-05 (with or without loSAARing hole)
4 pressure ratings
4 adjustment types:
• Rotary knob
• Sleeve with hexagon and protective cap
• Lockable rotary knob with scale
• Rotary knob with scale
Pressure reduction in channel A, B or channel P
Check valve, optional (version “A” only)
Corrosion-protected design
Type Code
|
01
|
02
|
03
|
04
|
05
|
06
|
|
07
|
|
08
|
09
|
10
|
11
|
12
|
13
|
14
|
|
Z
|
DR
|
6
|
D
|
|
|
–
|
4X
|
/
|
|
Y
|
|
|
|
|
*
|
|
01
|
Sandwich plate valve
|
Z
|
|
02
|
Pressure reducing valve
|
DR
|
|
03
|
Size 6
|
6
|
|
04
|
Direct operated
|
D
|
|
05
|
Pressure reduction in channel A➁
|
A
|
|
Pressure reduction in channel B➁
|
B
|
|
Pressure reduction in channel P➁
|
P
|
|
Adjustment type
|
|
06
|
Rotary knob
|
1
|
|
Sleeve with hexagon and protective cap
("J3" version without protective cap)
|
2
|
|
Lockable rotary knob with scale
|
3 1)
|
|
Rotary knob with scale
|
7
|
|
07
|
Component series 40 … 49 (40 … 49: unchanged installation and mounting dimensions)
|
4X
|
|
08
|
Secondary pressure up to 25 bar
|
25
|
|
Secondary pressure up to 75 bar
|
75
|
|
Secondary pressure up to 150 bar
|
150
|
|
Secondary pressure 210 bar
|
210
|
|
Secondary pressure up to 315 bar (only version "B", "P", and "2")
|
315
|
|
09
|
Internal pilot oil supply, external pilot oil return
|
Y
|
|
10
|
With check valve
(only version "A")
|
no code
|
|
Without check valve
|
M
|
|
Corrosion resistance
|
|
11
|
None
|
no code
|
|
Improved corrosion protection (240 h salt spray test according to EN ISO 9227)
|
J3
|
|
Seal material
|
|
12
|
NBR seals
|
no code
|
|
FKM seals
|
V
|
|
Observe compatibility of seals with hydraulic fluid used.
|
|
13
|
Without loSAARing hole
|
no code
|
|
With loSAARing hole
|
/60 2)
|
|
With loSAARing hole and locking pin ISO 8752-3x8-St
|
/62
|
|
13
|
Further details in the plain text
|
*
|
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