090450_STO_e
06.2019
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Throttle valve STO
Table of contents
Contents Page
Characteristics
screw-in throttle valve
for manual limitation of volume flows
compact design
maintenance-free
max. operating pressure 315 bar
screw-in valve for cavity STO
Characteristics 1
Technical Data 2
Performance 2
Dimensions 3
Type code 4
Accessories and additional information 4
1 2
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090450_STO_e | ValveTech
Hydraulic
Operating pressure max.: 315 bar
Flow direction: throttling in both directions, the pressure at port 1
should be the higher pressure
Nominal width: Ø 3 mm
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
Adjusting method: with spindle-setting screw, optionally hand wheel
Adjusting range: approx. 4 turns
Fluid temperature: -20 ° C to +80 ° C
Ambient temperature: -20 ° C to +80 ° C
Storage temperature: -20 ° C to +60 ° C (non-condensing)
Installation position: any
Weight: 0,08 kg
Material: valve parts: steel
O-rings: NBR, backup ring: teon
Performance
0 5 10 15 20 25 30 35
0
10
20
30
40
Δp [bar]
Q [l/min]
Pressure drop diagram Δp/Q STO fully opened
Test conditions
Oil: HLP 32, temperature: 40 ° C (~32 cSt)
Throttle valve
3 / 4
ValveTech | 090450_STO_e
Throttle valve STO
Cavity
STO (DBT2)
HE4/14 33 08
installation torque 35 - 40 Nm
SW 21
NOTE
For a detailled drawing of the cavity please see chapter 11 „general information“ or
our online catalogue at www.weber-hydraulik.com.
Throttle valve
1 2 3 4
A
B
C
D
E
DIESE VORLAGE IST GEHEIMZUHALTEN. FUER DEN FALL DER ERTEILUNG EINES SCHUTZRECHTES BEHALTEN W
IR UNS ALLE RECHTE VOR.
THIS DOCUMENT IS CONFIDENTIAL. ALL RIGHTS RESERVED IN THE EVENT OF THE GRANT OF A PATENT.
F
M.K.
ENTSTANDEN AUS
RAW MAT. NO.
WERKSTOFF
DERIVATE FROM
HALBZEUG
MATERIAL
V6
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
1 1
2
1
1
2
DBT2, STO
HE4 / 14 33 08
Lu. B.
59
<
26
21SW
17SW
5SW
26
59
<
Dimensions
1 234
A
B
C
D
E
D
IE
S
E
V
O
R
L
A
G
E
IS
T
G
E
H
E
IM
Z
U
H
A
L
T
E
N
.
F
U
E
R
D
E
N
F
A
L
L
D
E
R
E
R
T
E
IL
U
N
G
E
IN
E
S
S
C
H
U
T
Z
R
E
C
H
T
E
S
B
E
H
A
L
T
E
N
W
IR
U
N
S
A
L
L
E
R
E
C
H
T
E
V
O
R
.
T
H
IS
D
O
C
U
M
E
N
T
IS
C
O
N
F
ID
E
N
T
IA
L
.
A
L
L
R
IG
H
T
S
R
E
S
E
R
V
E
D
IN
T
H
E
E
V
E
N
T
O
F
T
H
E
G
R
A
N
T
O
F
A
P
A
T
E
N
T
.
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
1 234
A
B
C
D
E
D
IE
S
E
V
O
R
L
A
G
E
IS
T
G
E
H
E
IM
Z
U
H
A
L
T
E
N
.
F
U
E
R
D
E
N
F
A
L
L
D
E
R
E
R
T
E
IL
U
N
G
E
IN
E
S
S
C
H
U
T
Z
R
E
C
H
T
E
S
B
E
H
A
L
T
E
N
W
IR
U
N
S
A
L
L
E
R
E
C
H
T
E
V
O
R
.
T
H
IS
D
O
C
U
M
E
N
T
IS
C
O
N
F
ID
E
N
T
IA
L
.
A
L
L
R
IG
H
T
S
R
E
S
E
R
V
E
D
IN
T
H
E
E
V
E
N
T
O
F
T
H
E
G
R
A
N
T
O
F
A
P
A
T
E
N
T
.
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
4 / 4
090450_STO_e | ValveTech
Type code
Accessories /
spare parts
Article: Article number:
Manifold straight 3/8“ 093.0024
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.
Throttle 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
STO
Throttle valve
NOTE
The valve is also available with hand wheel.
