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Spool valve
Spool valve Spool valve

DIMENSIONS Spool valve
Pilot control ae Pilot control te Flange construction NG6
11.5 12.5 12.5 2.9 with integral pressure reversal ISO 4401-03
6.5 11.5 ◆
G1/4" 6.5 MD= 10.5Nm (8.8) 25 MD= 5.2Nm ◆ 4/2-way
13.5Nm (10.9)
15 X Y ◆ Q = 30 l/min
max
35 ◆ p = 315 bar
max
70
29 94.6
X Y DESCRIPTION APPLICATION
10 20 68 Spool valve with 4 connections in a 5 chamber system with integral Valves with integral pressure reversal are suitable for controlling
11.6 29
20.1 93.2 20.1 pressure reversal. Switch into the oposite switching position when oscillating movements of a cylinder. Fields of application are press
133.4 10 the adjusted reversal pressure is reached. The reversal takes place controls, assembly robots, feeding systems for wood heating or
20.1 93.2 20.1 e.g. in the end position of the stroke or when the load pressure is other systems with pressure dependent repositioning.

133.4 68
exceeding the adjusted reversal pressure. Cover with pressure
reliefs for adjusting the reversal pressure. Precise spool fit, low
leakage, long service life time. Spool made from hardened steel,
HYDRAULIC CONNECTION PARTS LIST body from high quality hydraulic cast steel.

Position Article Description
93
70.8 10 160.2120 O-ring ID 12,42 x 1,78 (NBR)
54
160.6124 O-ring ID 12,42 x 1,78 (FKM) SYMBOL
P 15 173.1516 Pilot plate NG4-Mini
X A B Y Simplified Detailed
68 12 T To 1.5 16.8 46 20 160.2076 O-ring ID 7,65 x 1,78 (NBR) A B
9.7 160.6076 O-ring ID 7,65 x 1,78 (FKM)
25 246.2126 Socket head screw M5 x 25 DIN 912 a b
a b
20.8 35 160.2052 O-ring ID 5,28 x 1,78 (NBR) P T
48 160.6052 O-ring ID 5,28 x 1,78 (FKM)

A P T B

TYPE CODE

A Q 4 Z 6 0 - #
International standard interface ISO
Integral pressure reversal

Number of control ports

2 switching positions
Nominal size 6
Spool number

Standard
Soft switching W

Sealing material NBR
FKM (Viton) D1

Design index (subject to change)
1.8-20

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 4/4 Edition: 22 09 1.7-42 E www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 20 22 1.8-20 E
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