Page 269 - Softbound_Edition_19_en

Spool valve
Spool valve

Spool valve stainless
NG6
Flange construction ISO 4401-03
◆ roller operated
◆ 4/2-way with spring reset
◆ Q = 60 l/min
max
◆ p = 350 bar
max

DESCRIPTION APPLICATION
Direct operated valve, roller operated with 4 connections in 5 Spool valves are mainly used for controlling direction of movement
chamber design. Without actuation, the spool is switched back to and stopping of hydraulic cylinders and motors. The stainless

the offset position. execution is especially suitable for the use in wet and salty environ -
ment. Manually or mechanically operated valves are particularly
suitable for use in installations where no electric current is avai-

lable or for applications in explosion hazard areas.

TYPE CODE

WD T F A06 - - K9 #
Spool valve, direct operated
Roller with spring reset

Flange construction
International standard interface ISO, NG6

Designation of symbols acc. to table Operation a-side …1
Operation b-side …2

Sealing material NBR
FKM (Viton) D1
NBR 872 y-Z604

Stainless
Design index (subject to change)
1.5-46S
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Designation 4/2-spool valve Working pressure p = 350 bar
max
Construction Direct operated Tank pressure p = 100 bar
T max
Mounting Flange construction Maximum volume flow Q = 60 l/min, see characteristics
max
Nominal size NG6 according to ISO 4401-03
Actuation Roller actuated Leakage oil See characteristics
Ambient temperature -25…+70 °C Fluid Mineral oil, other fluid on request
2
2
Weight 1,48 kg Viscosity range 12 mm /s…320 mm /s
MTTFd 150 years Temperature range -25…+70 °C (NBR)
fluid -20…+70 °C (FKM)
Contamination Class 20 / 18 / 14
efficiency
ACTUATION Filtration Required filtration grade ß 10…16 ≥ 75,
Actuation Roller see data sheet 1.0-50
Actuation stroke s = 2,6 mm
Actuation force F = 110 - 135 N at p
b T max

www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 19 26 1.5-46S E
Page 269