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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.DSA06- A / B / AB G.DSA06-T
Mounting Sandwich construction range A: 63, 210, 315 bar T 17.5 T
Nominal size NG6 according to ISO 4401-03 V: 63, 160, 350 bar A B 45 45 A B
Actuation Manually Minimum pressure See characteristics P 17.5 P
Ambient temperature -25…+70 °C Maximum volume flow Q = 80 l/min 20 10 30 MD= 18Nm 15.5 39.5 17.5 39.5 10 104 68 MD= 60Nm
max
Weight 1,3 kg (Sandwich construction T) Fluid Mineral oil, other fluid on request MD=60Nm 70
140
2
2
2,6 kg (Sandwich construction A, B and Viscosity range 12 mm /s…320 mm /s G.DSA06-A: Cartridge on A side 5
AB) Temperature range -25…+70 °C (NBR) G.DSA06-B: Cartridge on B side
fluid -20…+70 °C (FKM) G.DSA06-AB: Cartridge on A and B side
Contamination Class 18 / 16 / 13
efficiency Type of adjustment Type of adjustment
Filtration Required filtration grade ß 6…10 ≥ 75, G.SSA06 G.ASA06
see data sheet 1.0-50
Note! Other specifications, see data sheet of the screw-in
cartridges
MD= 50Nm MD=50Nm
46 max. 53 max.

ACTUATION STANDARDS
Actuation S = lockable key adjustment Mounting interface ISO 4401-03
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 17.8 10 160.2093 O-ring ID 9,25 x 1,78 (NBR)
T 160.6092 O-ring ID 9,25 x 1,78 (FKM)
A B 20 160.2111 O-ring ID 11,11 x 1,78 (NBR)
31 21 32.5 160.6111 O-ring ID 11,11 x 1,78 (FKM)
SEALING MATERIAL SURFACE TREATMENT P 30 238.5404 Screw plug VSTI M22 x 1,5
NBR or FKM (Viton) as standard, choice in the type code ◆ The sandwich bodies are zinc-nickel coated
21.5
40.5

PERFORMANCE SPECIFICATIONS
Δp = f (Q) Pressure volume flow characteristic Note! Detailed performance limites and additional hydraulic
over the non-return valve specifications may by drawn from the data sheets of the ACCESSORIES INSTALLATION NOTES
p [bar] corresponding installed pressure relief cartridge. Types of adjustment for screw-in Data sheet 2.0-50 Mounting type Sandwich mounting
10 K0317 cartridges 4 fixing holes for

7,5 Attention! The performance data especially the „pressu- Threaded subplates Data sheet 2.9-30 socket head screws or studs M5
re-flowcharacteristic„ on the data sheets of the Multi-station subplates Data sheet 2.9-60 Mounting position Any, preferably horizontal
5
screw-in catridges refere to the screw-in cartridges Module type manifold blocks Data sheet 2.9-100 Tightening torque Fixing screws M = 5,2 Nm (quality 8.8,
D
2,5 only. The additional pressure drop of the flange body zinc coated)
respectivly sandwich body must be taken into conside- Technical explanations Data sheet 1.0-100 Screw-in cartridge M = 60 Nm
0 ration. Filtration Data sheet 1.0-50 D
0 20 40 60 80 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 2.1-740 E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 21 32 2.1-740 E
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