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Pressure Relief Valves

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DIN & ISO Porting Pattern, Subplate Mounting, DBW High Pressure Relief Valve

High Pressure Relief Valve

PRODUCT TYPE: High Pressure Relief Valve
VALVE SIZE: 1, 25, 32mm
CONTROL METHOD: Pilot Operated
APPLICATION Hydraulic Machines
CONNECTION TYPE: Subplate Connection
CONTROL METHOD: Hydraulic
PART NOS.: FT-DBW Series
APPROXIMATE WEIGHT:3.5Kgs/7.70Lbs
RELATED PARTS:
Valve: 
Pilot operated valve 
FEATURE: 
– With standard WE/NG6 solenoid valve
– Pilot operated high pressure relief
– Size 10, 20, 30 optional for different flow

DB/DBW Relief Valve PDF

The high pressure relief valve is a size 20 valve that has four adjustable types: handle knob, adjustable bolts with protected cap, lockable and non-lockable rotary with scale for option. There are five presetting adjustable pressure: 5Mpa, 10Mpa, 20Mpa, 31.5Mpa, 35Mpa.

Finotek’s DBW20 series of high pressure relief valve is size20 valve, the dimensions of service port A B port is 22mm with O-ring size of 28.17×3.53mm. The valve is subplate mounting, the installation dimension comply with the standard of DIN24340 and ISO 6264, in order to change other brand.

 

Valve Ordering Code

Example (Normal code): “FT-DBW 10 B 1 5X/20 EG24NZ5L ”
Explanation As Below:

FT- DB W 10 B   1 5X / 20
(1)   (2) (3) (4) (5) (6) (7)   (8)
    6E G24 N Z5L      
(9) (10) (11) (12) (13) (14) (15) (16) (17)

(1) Producer code= FT
(2) W= With solenoid valve
  No code= Without solenoid valve
(3) Size= 10; 15; 20; 25 or 30
(4) A= Normal closed
  B= Normal open
(5) No code= Modular mounted
  G= Threaded mounted
(6) 1= Hand wheel adjustment
  2= Screw adjustment and protective cap
(7) 5X= Valve series
(8) 20= Settable pressure up to 20Mpa
  5= Settable pressure up to 5Mpa
  10= Settable pressure up to 10Mpa
  31.5= Settable pressure up to 31.5Mpa
(9) No code= Internally piloted, internally drained
  X= Externally piloted, internally drained
  Y= Internally piloted, externally drained
  XY= Externally piloted, externally drained

(10) No code= Standard
  U= Min. opening pressure
(11) 6E= (Wet-pin) Solenoid with detachable coil
(12) G24= DC voltage 24V
  G12= DC voltage 12V
  W220= AC voltage 220~230V 50/60 Hz
   W110= AC voltage 110V 50/60 Hz
(13) N= With manual override
(14) Z5L= Plug-in connection with indicator lamp
(15) No code= Inch thread (Y port threaded)
   2= Metric thread (Y port threaded)
(16) No code = NBR seals for petroleum oil
  V = FPM seals for phosphate ester
(17) No code = Black Galvanization
  B= Blue Powder Coating

Valve Technical Information

Main Raw Materials: Casting Iron
Power: By hydraulic
Brand: Finotek or OEM
Max. Operation Pressure(T): 31.5Mpa
Max. Operating Pressure(P,A,B): 35Mpa
Max. Flow Rate: 250L/min. / 500L/min.
Oil Medium Temperature: -30 to +80(°C)for NBR O-rings

 

Available Voltaege: DC:12V,24V ; AC:110V,220V
Voltage Tolerance: +10% to -15%
Switching Frequency: DC:15000Times/h; AC:7200Times/h
Oil Medium: Mineral oil as per DIN51 524, VDMA 24 568 or rapeseed oil, Viscosity 10 – 400 CST
Recommended Medium Filtration: ISO 4406 Standard, cleanliness class:20/18/15

Valve Function Symbol

DB-DBW-Hydraulic-Pressure-Relief-Valves

Valve Installation Dimensions

DB-DBW-20-30-installation-dimensions

 

Size

L1

L2

L3

L4

L5

L6

B1

B2

D

D1

D2

DB/DBW 20

116

66.7

33.4

55.6

11.1

23.8

100

70

25

18

6

DB/DBW 30

148

88.9

44.5

76.2

12.7

31.8

115

82.6

32

21

7

 

2017-03-05T01:50:07+00:00