FEATURES
- Hole pattern according to DIN 24340 Form A6, ISO 4401-03, nominal
size 06
- Pressure relief valve sandwich plate type with
single side relief function and drain to tank
- easy to assemble under body mounted spool valves according to DIN
24340 Form A6, ISO 4401 (use longer screws)
- type according to ISO 7790
- adjustable by tool
Types
- type PT: Pressure relief in P, Drain T
- type AT: Pressure relief in A, Drain T
- type BT: Pressure relief in B, Drain T
- type ABT: Pressure relief in A-B (double), Drain T
- type AB: Pressure relief in B, Drain and relief in A, Drain in B
SPECIFICATIONS
Operating pressure: max
. 350 bar
Adjusting pressure ranges: up to 70, 140, 210, 350 bar
Nominal flow: max. 75 l/min
Fluids: hydraulic oil according to DIN 51524
Part 1 and 2
Media operating temp. range: -20°C up to max. +80°C
Ambient temperature range: -20°C up to max. +50°C
Viscosity range: 10 – 400 mm²/s is recommended
Filtration: Class 20/18/15 to ISO 4406 or cleaner
Weight: 1,4 kg incl. valve (AB, ABT = 2,1 kg)
PERFORMANCE
measured at t = 50°C, ν = 32mm²/s
Function
P1 T1
P2 T2
Pressure drop ∆p-Q
Regulation
1 - controlled ports
(Types PT, AT, BT)
2 - controlled ports
(only AB, ABT)
3 - free ports
( Index 1 = valve side / Index 2 = sub plate side)
Pmax = 350 bar
Qma
x = 75 l/min
Pilot operated pressure
reli
ef valve
sandwich plate type
ZW-DB06
E 5.169.4 /08.10
SYMBOL
ZW-DB06 PT ZW-DB06 AT
ZW-DB06 BT
ZW-DB06 ABT
ZW-DB06 AB
T2 A2 B2P2
T1 A1 B1P1
T2
A2 B2
P2
T1 A1 B1P1
794
MODEL CODE
ZW-DB06 – 01 - PT – 140V – V
Name and nominal size
Pilot operated pressure relief valve
Sandwich plate type NW6
Series
01 = Standard, phosphated
Types
- type PT: Pressure relief in P, Drain T
- type AT: Pressure relief in A, Drain T
- type BT: Pressure relief in B, Drain T
- type ABT: Pressure relief in A-B (double), Drain T
- type AB: Pressure relief in A-B (double), Drain B/A
Pressure ranges
70 = 70 bar
140 = 140 bar
210 = 210 bar
350 = 350 bar
Seals
V = Viton (Standard)
N = NBR
Mounting plate according to ISO 4401-03
Sta
ndard models Part No.
ZW-DB06-01-PT 350V-V 6074657
ZW-DB06-01-AT 350V-V 6074661
ZW-DB06-01-BT 350V-V 6074664
ZW-DB06-01-AB 350V-V 6074667
ZW-DB06-01-ABT 350V-V 6074670
Other types on request
Dimensions
1 – Hex size 17
2 – Allen tool size 5
3 – O-Ring 9,25 x 1,78-90Sh Viton (4 pcs.)
All dimensions in mm.
Fixing elements are not in scope of
delivery.
HYDAC Fluidtechnik GmbH
Jus
tus-von-Liebig-Str. 5
D - 66280 Sulzbach / Saar
Tel. 06897 / 509 -01
Fax 06897 / 509 -598
Email flutec@hydac.com
Annotation
The information in this brochure
relates to the operating conditions
and applications described.
For applications or operating
conditions not described, please
contact the relevant technical
department.
Subject to technical modifications.
795
