090110_DBT_e
07.2019
1/ 7
Characteristics 1
Technical Data 2
Performance 2
Dimensions 3
Type code 6
Accessories and additional information 7
Pressure relief valve DBT
Table of contents
Contents Page
Characteristics
screw-in pressure relief valve
also available in in-line body or sandwich body
compact design
maintenance-free
direct operated
operating pressure max. 350 bar
volume ow max. 50 l/min
1
2
2 / 7
090110_DBT_e | ValveTech
Performance
Hydraulic
Operating pressure max.: 350 bar
Tank pressure max.: DBT1: 350 bar, DBT2 and DBT3: 70 bar
Flow rate: see type code
Flow direction: 1 (P) to 2 (T)
Pressure setting range: see type code
Hydraulic uid: mineral oil according to DIN 51524,
other hydraulic uids upon request
Viscosity range: 7,4 - 420 cSt
Filtration: oil cleanliness according to ISO 4406 (1999)
18/16/13, lter with β 5(c) > 200
Technical Data
Mechanic
Design: screw-in valve
Fluid temperature: -30 ° C to +80 ° C
Ambient temperature: -30 ° C to +80 ° C
Storage temperature: -30 ° C to +60 ° C (non-condensing)
Installation position: any
Weight: DBT1, DBT3: 0,14 kg
DBT2: 0,10 kg
Material: valve parts: steel
seals: NBR, backup rings: PU, teon
Surface protection: zinc coated
NOTE
The pressure on port 2 (T) adds directly to the set pressure. The total pressure of
port 1 (P) and 2 (T) must not exceed the maximum operating pressure.
Pressure relief valve
0 2 4 6 8 10 12 14 16 18 20 22 24 26
0
25
50
75
100
125
150
175
200
225
250
W
B
A
p [bar]
Q [l/min]
0 2 4 6 8 10
0
25
50
75
100
125
150
175
200
225
250
D
A
p [bar]
Q [l/min]
Pressure diagram (p/Q) DBT1 and DBT3 Pressure diagram (p/Q) DBT2
Test conditions
Oil: HLP 32, temperature: 40 ° C (~32 cSt)
Higher viscosities change the performance curves.
3 / 7
ValveTech | 090110_DBT_e
Dimensions
Screw-in valve DBT1
Cavity DBT1
HM4/14 11 22
NOTE
The valve is also available in an in-line body. Dimension sheets are available upon
request.
HM4/14 33 09
Pressure relief valve
1234
A
B
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F
M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
Allgemein
HALBZEUG
MATERIAL
V4
REPL. FOR
ART.-NR. / PART NO.
134.0007
FORMAT
REVISION
REVISION
GEAEND.
HM4 / 14 33 09
ERSATZ FUER
MODIF.
A4
GEPR.
CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.
AEND.-NR.
jakab
SIZE
DATUM
DRAWING NO.
ZEICHN.-NR.
OF
VON
MASZSTAB
WEIGHT approx.
GEWICHT ca.
BENENNUNG / TITLE
SCALE
20-130 bar, Qmax. 25 l/min
Druckbegrenzungsventil
DATE
GEZ.
WEBER-HYDRAULIK ValveTech GmbH
D-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.
RESP.
NAV.
NAV.
0,02 kg
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
m k
1 : 1
11
anzuwendende Fluid Team Norm:
TLV-003 (Sauberkeit)
AA 05/04 (Expanderbohrung)
- Maße in eckigen Klammern sind
Vorbearbeitungsmaße nach
DIN 406 Teil 10 und Teil 11
- Maße mit E gekennzeichnete
gilt Size ISO 14405
Katalogbereich hochkant
4
4
9
,8
3
3
26,63
24SW
19SW
5S W
1
2
1
2
3
3
,5
163/4- UNF
1
3
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F
M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
Allgemein
HALBZEUG
MATERIAL
V4
REPL. FOR
ART.-NR. / PART NO.
134.0007
FORMAT
REVISION
REVISION
GEAEND.
HM4 / 14 33 09
ERSATZ FUER
MODIF.
A4
GEPR.
CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.
AEND.-NR.
jakab
SIZE
DATUM
DRAWING NO.
ZEICHN.-NR.
OF
VON
MASZSTAB
WEIGHT approx.
GEWICHT ca.
BENENNUNG / TITLE
SCALE
20-130 bar, Qmax. 25 l/min
Druckbegrenzungsventil
DATE
GEZ.
WEBER-HYDRAULIK ValveTech GmbH
D-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.
RESP.
NAV.
NAV.
0,02 kg
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
m k
1 : 1
11
anzuwendende Fluid Team Norm:
TLV-003 (Sauberkeit)
AA 05/04 (Expanderbohrung)
- Maße in eckigen Klammern sind
Vorbearbeitungsmaße nach
DIN 406 Teil 10 und Teil 11
- Maße mit E gekennzeichnete
gilt Size ISO 14405
Katalogbereich hochkant
4
4
9
,8
3
3
26,63
24SW
19SW
5S W
1
2
1
2
3
3
,5
163/4- UNF
1
3
NOTE
For a detailled drawing of the cavity please see chapter 11 „general information“ or
our online catalogue at www.weber-hydraulik.com.
installation torque 18 - 22 Nm
SW 19
installation torque 40 - 45 Nm
SW 24
4 / 7
090110_DBT_e | ValveTech
Dimensions
Screw-in valve DBT2
Cavity DBT2
(STO)
HM4/14 33 08
NOTE
The valve is also available in an in-line body. Dimension sheets are available upon
request.
HM4/14 33 08
NOTE
For a detailled drawing of the cavity please see chapter 11 „general information“ or
our online catalogue at www.weber-hydraulik.com.
Pressure relief valve
1 234
A
B
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F
M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V13
REPL. FOR
ART.-NR. / PART NO.
FORMAT
REVISION
REVISION
GEAEND.
ERSATZ FUER
MODIF.
A4
GEPR.
CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.
AEND.-NR.
SIZE
DATUM
DRAWING NO.
ZEICHN.-NR.
OF
VON
MASZSTAB
WEIGHT
GEWICHT[KG]
BENENNUNG / TITLE
SCALE
DATE
GEZ.
FLUID TEAM Automationstechnik GmbH
D-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.
RESP.
NAV.
NAV.
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
f H
1 : 1
11
1
2
2
1
DBT2, STO
HM4 / 14 33 08
Lu. B.
3
3
2
6
5S W
17SW
21SW
8
,8
24
n
3/4 - 16 UNF
2
9
1
2
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M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V13
REPL. FOR
ART.-NR. / PART NO.
FORMAT
REVISION
REVISION
GEAEND.
ERSATZ FUER
MODIF.
A4
GEPR.
CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.
AEND.-NR.
SIZE
DATUM
DRAWING NO.
ZEICHN.-NR.
OF
VON
MASZSTAB
WEIGHT
GEWICHT[KG]
BENENNUNG / TITLE
SCALE
DATE
GEZ.
FLUID TEAM Automationstechnik GmbH
D-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.
RESP.
NAV.
NAV.
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
f H
1 : 1
11
1
2
2
1
DBT2, STO
HM4 / 14 33 08
Lu. B.
3
3
2
6
5S W
17SW
21SW
8
,8
24
n
3/4 - 16 UNF
2
9
1
2
5S W
17SW
21SW
5 / 7
ValveTech | 090110_DBT_e
Dimensions
Screw-in valve DBT3
Cavity DBT3
(C-10-2)
HE4/14 10 04
NOTE
The valve is also available in an in-line body or in a sandwich body. Dimension
sheets are available upon request.
HM4/14 33 10
NOTE
For a detailled drawing of the cavity please see chapter 11 „general information“ or
our online catalogue at www.weber-hydraulik.com.
Pressure relief valve
1234
A
B
C
D
E
D
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M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
Allgemein
HALBZEUG
MATERIAL
V18
REPL. FOR
ART.-NR. / PART NO.
FORMAT
REVISION
REVISION
GEAEND.
HM4 / 14 33 10
ERSATZ FUER
MODIF.
A4
GEPR.
CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.
AEND.-NR.
jakab
SIZE
DATUM
DRAWING NO.
ZEICHN.-NR.
OF
VON
MASZSTAB
WEIGHT approx.
GEWICHT ca.
BENENNUNG / TITLE
SCALE
DBT3 - LAN
DATE
GEZ.
WEBER-HYDRAULIK ValveTech GmbH
D-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.
RESP.
NAV.
NAV.
-
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
anzuwendende Fluid Team Norm:
TLV-003 (Sauberkeit)
AA 05/04 (Expanderbohrung)
- Maße in eckigen Klammern sind
Vorbearbeitungsmaße nach
DIN 406 Teil 10 und Teil 11
- Maße mit E gekennzeichnete
gilt Size ISO 14405
4
5
3
8
1
3
,3
30
n
1
2
27SW
19SW
3
8
1
2
7/8 - 14 UNF
1
6
5S W
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RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V67
REPL. FOR
ART.-NR. / PART NO.
777.0026
FORMAT
REVISION
M. K.
REVISION
GEAEND.
HE4_141004 - Stand a
ERSATZ FUER
MODIF.
A4
GEPR.
CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.
AEND.-NR.
04.03.2014
Lu. B.
SIZE
DATUM
DRAWING NO.
ZEICHN.-NR.
OF
VON
MASZSTAB
WEIGHT
GEWICHT[KG]
BENENNUNG / TITLE
SCALE
Stufenbohrung
C-10-2
DATE
GEZ.
FLUID TEAM Automationstechnik GmbH
D-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.
RESP.
NAV.
NAV.
S. H.
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
Maßstab 1:1
2
1
33,3
>
15,9>
7/8-14 UNF
1234
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N
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.
F
M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
Allgemein
HALBZEUG
MATERIAL
V18
REPL. FOR
ART.-NR. / PART NO.
FORMAT
REVISION
REVISION
GEAEND.
HM4 / 14 33 10
ERSATZ FUER
MODIF.
A4
GEPR.
CHECK
AEND.-DATUM
BLATT
DRAW.
PAGE
MOD. DATE
MOD. NO.
AEND.-NR.
jakab
SIZE
DATUM
DRAWING NO.
ZEICHN.-NR.
OF
VON
MASZSTAB
WEIGHT approx.
GEWICHT ca.
BENENNUNG / TITLE
SCALE
DBT3 - LAN
DATE
GEZ.
WEBER-HYDRAULIK ValveTech GmbH
D-78467 Konstanz
ALLG. TOL. / GEN. TOL.
VERANT.
RESP.
NAV.
NAV.
-
ISO 2768 -
EN ISO 1302
ISO 13715
OBERFLAECHEN / SURFACE
KANTEN / EDGE
x
anzuwendende Fluid Team Norm:
TLV-003 (Sauberkeit)
AA 05/04 (Expanderbohrung)
- Maße in eckigen Klammern sind
Vorbearbeitungsmaße nach
DIN 406 Teil 10 und Teil 11
- Maße mit E gekennzeichnete
gilt Size ISO 14405
4
5
3
8
1
3
,3
30
n
1
2
27SW
19SW
3
8
1
2
7/8 - 14 UNF
1
6
5S W
installation torque 18 - 22 Nm
SW 19
installation torque 55 - 65 Nm
SW 27
6 / 7
090110_DBT_e | ValveTech
Type code
Pressure relief valve
-
-
-
L N
L N
-
-
-
DBT1
DBT2
DBT3
Pressure setting range
20-130 bar B
40-180 bar
A
180-350 bar
W
Pressure setting range
10-60 bar D
40-270 bar
A
Pressure setting range
40-200 bar A
180-350 bar
W
Pressure relief valve
max. 25 l/min
Pressure relief valve
max. 10 l/min
Pressure relief valve
max. 50 l/min
Setting screw
with lock nut
Seal NBR
Seal NBR
Seal NBR
Symbol Body
without
in-line body G 3/8 RG3
11
2
Symbol Body
without
in-line body G 3/8 9702
11
2
Symbol Body
in-line body G 3/8 RG2
sandwich body NG 6
ZW6
11
2
3 41 2
L N
Setting screw
with lock nut
Setting screw
with lock nut
NOTE
Special pressure settings are available on request. Please contact our customer
service: anfrage.dekw@weber-hydraulik.com.
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ValveTech | 090110_DBT_e
Accessories /
Spare parts
Article: Material number:
Seal kit DBT1 (NBR) 407.0003
Seal kit DBT3 (NBR) 407.0007
Accessories and additional information
Manual
Information regarding installation, set-up and maintenance can be found in our
product catalogue in chapter 11 „general information” under the category
„general operating manual“ or will be provided upon request.
Pressure relief valve
www.weber-hydraulik.com
info.de-k@weber-hydraulik.com
All rights reserved
WEBER-HYDRAULIK ValveTech GmbH
Felix-Wankel-Str. 4, 78467 Konstanz
Phone: +49 7531 9748-0
Fax: +49 7531 9748-44