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Back pressure valve
Back pressure valve Back pressure valve

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS DIMENSIONS
Designation Back pressure valve Working pressure p = 400 bar Sandwich execution Sandwich execution
max
Construction Direct or pilot operated Nominal pressure P N max G.DSA10-A / B G.DSA10-T
Mounting Sandwich construction range A: 63, 210, 315 bar P P
Nominal size NG10 according to ISO 4401-05 V: 63, 160, 350 bar A B 60 A B 60
Actuation Manually Minimum pressure See characteristics T To 38 T To 21.5
Ambient temperature -25…+70 °C Maximum volume flow Q = 100 l/min MD= 60Nm 10 18 MD= 60Nm 10 32
max
Weight 2,3 kg Fluid Mineral oil, other fluid on request 66 49.5 80 49.5
Viscosity range 12 mm /s…320 mm /s 53 max. 163 max. 110 53 max. 178 max. 125
2
2
Temperature range -25…+70 °C (NBR) G.DSA10-A: Cartridge on A side
fluid -20…+70 °C (FKM) G.DSA10-B: Cartridge on B side
Contamination Class 18 / 16 / 13
efficiency Type of adjustment Type of adjustment
Filtration Required filtration grade ß 6…10 ≥ 75, G.SSA10 G.ASA10
see data sheet 1.0-50
Note! Other specifications, see data sheet of the screw-in
cartridges
MD= 60Nm MD= 60Nm
46 max. 53 max.

ACTUATION STANDARDS
Actuation S = lockable key adjustment Mounting interface ISO 4401-05
D = lockable knob adjustment Contamination ISO 4406 HYDRAULIC CONNECTION PARTS LIST
efficiency
Note! Other specifications, see data sheet of the screw-in Position Article Description
cartridges 54 10 160.2140 O-ring ID 14,00 x 1,78 (NBR)
P 160.6141 O-ring ID 14,00 x 1,78 (FKM)

1.5
A B 16.8
46
9.7
SEALING MATERIAL SURFACE TREATMENT T To
NBR or FKM (Viton) as standard, choice in the type code ◆ The sandwich bodies made of steel are zinc-phosphated
20.8
24
PERFORMANCE SPECIFICATIONS

Δp = f (Q) Pressure volume flow characteristic Note! Detailed performance limites and additional hydraulic ACCESSORIES INSTALLATION NOTES
over the non-return valve specifications may by drawn from the data sheets of the Types of adjustment for screw-in Data sheet 2.0-50 Mounting type Sandwich mounting
p [bar] corresponding installed pressure relief cartridge. cartridges 4 fixing holes for
4 K0319 Threaded subplates Data sheet 2.9-40 socket head screws or studs M6
3 Attention! The performance data especially the „pressu- Multi-station subplates Data sheet 2.9-70 Mounting position Any, preferably horizontal
re-flowcharacteristic„ on the data sheets of the Module type manifold blocks Data sheet 2.9-110 Tightening torque Fixing screws M = 8,9 Nm (quality 8.8,
D
2 screw-in catridges refere to the screw-in cartridges zinc coated)
1 only. The additional pressure drop of the sandwich body Technical explanations Data sheet 1.0-100 Screw-in cartridge M = 60 Nm
D
must be taken into consideration. Filtration Data sheet 1.0-50
0
0 20 40 60 80 100 Q [l/min]

VALVES INSTALLED
The following screw-in cartridges are used in the sandwich body.

Article Description Data sheet no.
BV.PM22 Pressure relief cartridge pilot operated 2.1-530
BA.PM22 Pressure relief cartridge direct operated 2.1-540
Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com

www.wandfluh.com Illustrations are not binding Data subject to change 2/3 Edition: 21 32 2.1-760 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 21 32 2.1-760 E
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