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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