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P. 925
17,8
22,5 10 21,5 19 20
T
9,5 5,5 A B G1/4"
Ø Ø 31 21 32,5 45
∗ 22,5
P Pressure reducing valves Pressure reducing valves
Pressure reducing valve
3 42 85 38
45 123
CHARACTERISTICS oil viscosity υ = 30 mm /s SCREw-IN CARTRIDGES INSTALLED Pressure reducing valve
2
27,5 The following screw-in cartridges are used in either the flange body or
18,5 ∆p = f (Q) Pressure loss/flow characteristics the sandwich body: Flange- and sandwich construction NG6
over RV • Q = 30 l/min
p [bar] T Type Designation Data sheet no. • p max = 315 bar ISO 4401-03
5,5 4 K0325 A B MV.PM22 Pressure reducing valve max
Ø G1/4" 45 • p = 200 bar
∗ • pilot operated 2.2-530 N red max
3 P 16,4
40 85 38
2 123 DESCRIPTION FUNCTION APPLICATION
1 REMARK! Flange or sandwich type directly operated The spool is held in the home position by the Pressure reducing valves are used for keeping
18 Detailed performance data and additional hydraulic 3-way pressure reducing valve. The valve spring. The connection to the consumer is fully the pressure constant in a consumer, irrespec-
12,5 0 specifications may by drawn from the data sheets of the reduces the inlet pressure to a preset out- open. The reduced pressure can be adjusted at tive of pressure fluctuations on the supply side.
0 20 40 60 80 Q [l/min] corresponding installed cartridge. put pressure. The integrated pressure relief the adjustment spindle, irrespective of the inlet If several consumers are used, the reduced
T function prevents the reduced pressure from pressure. If the reduced pressure increases, pressure can be set individually with the aid if
5,5 A B being exceeded as a result of external forces. it displaces the valve towards the spring. The one pressure control valve for each consumer.
Ø G1/4" 45 Two types of setting and five pressure stages volume flow at the valve inlet is then throttled, Generally speaking, pressure control valves
18,5 ∗ P 16,5 CAUTION!
The performace data especially the „pressure-flow-cha- are available. A pressure gauge connection is controlling the reduced pressure. If forces are used for reducing a hydraulic pressure to
50 88 37 racteristic„ on the data sheets of the screw-in catridges provided in the reduced connection. A by-pass acting on the consumer allow the reduced a lower level. The integrated pressure relief
125 refere to the screw-in cartridges only. The additional press- non-return valve plate for the flange valve for pressure to be increased above the set value, function obviates the need for any additional
ure drop of the flange body respectivly sandwich body must free flow from A to P (B port not drilled) can the spool is displaced until the valve inlet closes pressure relief valve in the reduced pipe. Di-
be taken into consideration. be ordered separately. In the sandwiches with and the tank port opens. The pressure increase rectly operated pressure reducing valves also
control in A or B line by-pass check valves are is then limited to a low value, controlled by keep the reduced pressure stable, even under
integrated. The flange valve body is painted, the spring. very difficult operating conditions.
TYPES / DIMENSIONS the other parts are zinc-nickel coated.
Flange Sandwich MV.FA06-P/A
MV.FA06-P/A MV.SA06-P 21,5 19
A P red T B 10 17,8 20 TYPE CODE
22,5
A DRV d 6 / #
T
9,5 5,5 A B G1/4" International mounting interface ISO
Ø Ø ∗ 31 21 32,5 45 Pressure reducing valve
A P T A P T B P 22,5 Direct operated
MV.SA06-A 3 42 85 38
A P T B 45 123 Type list / function
Flange design N
Sandwich design, P in P
red
27,5 Sandwich design, P in A A
18,5 MV.SA06-P Sandwich design, P in B red B
red
A red P T B T Interface NG6
5,5 A B G1/4" Type of adjustment Key
MV.SA06-B Ø ∗ 45 Control knob D
A P T B P 16,4 Cover H
40 85 38 Pressure range p 31,5 bar 31,5
123 N red 63 bar 63
125 bar 125
18 MV.SA06-A 160 bar 160
12,5 200 bar 200
A P T B red
T Design-Index (Subject to change)
5,5 A B
Ø G1/4" 45
18,5 ∗ P 16,5
50 88 37 GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
125 Description Direct operated pressure control valve Fluid Mineral oil, other fluid on request
Nominal size NG6 acc. to ISO 4401-03 Contamination efficiency ISO 4406:1999, class 18/16/13
PARTS LIST For sandwich red.pressure in B cartridge is located on B-side. Construction Flange- or sandwich (Required filtration grade ß 6…10≥75)
Mounting 4 mounting holes for zyl. screws M5 or refer to data sheet 1.0-50/2
Position Article Description ∗ The total lengths depends on the cartridge type, double ended screws M5 Viscosity range 12 mm /s…320 mm /s
2
2
see data sheet 2.2-530. Connection Threaded connection plates Fluid temperature -20...+70 °C
10 160.2093 O-ring ID 9,25x1,78 Multi-flange subplates Peak pressure p max = 315 bar
20 238.2406 Plug VSTI G1/4"-ED ACCESSORIES Longitudinal stacking system Tank load in connection T p T max = 50 bar
T B
A
P red
Threaded connection plate and multi-flange subplates Reg. 2.9 Ambient temperature -20 ...+50 °C Nominal pressure p N red = 31,5 bar, p N red = 63 bar
Bypass non-return valve ADRVP6 Mounting position any p N red = 125 bar, p N red = 160 bar
Fastening torque M = 5,5 Nm (Quality 8.8) p N red = 200 bar
D
Technical explanation see data sheet 1.0-100 Weight m = 2,0 kg Opening pressure p = 0,2 bar
ö
to non-return valve
A P T A P T B Volume flow Q = 0…30 l/min
A P T B
Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no. Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.2-640E 2/2 Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.2-650E 1/2
CH-3714 Frutigen Edition 10 33 CH-3714 Frutigen Edition 21 30
Page 925
A red P T B
A P T B
A P T B red