Page 320 - Softbound_Edition_19_en

Spool valve

Spool valve
NG10
Flange construction ISO 4401-05
◆ with integral pressure reversal
◆ 4/2-way
◆ Q = 60 l/min
max
◆ p = 315 bar
max

DESCRIPTION APPLICATION
Spool valve with 4 connections in a 5 chamber system with integral Valves with integral pressure reversal are suitable for controlling
pressure reversal. Switches into the oposite switching position oscillating movements of a cylinder. Fields of application are press
when the adjusted reversal pressure is reached. The reversal takes controls, assembly robots, feeding systems for wood heating or

place e.g. in the end position of the stroke or when the load pres- other systems with pressure dependent repositioning.
sure is exceeding the adjusted reversal pressure. Cover with pres-
sure reliefs for adjusting the reversal pressure. Precise spool fit,
low leakage, long service life time. Spool made from hardened

steel, valve body from high quality hydraulic cast steel.

SYMBOL
Simplified Detailed
A B

a b
a b
P T

A P T B

TYPE CODE
A Q 4 Z 10 0 - #
International standard interface ISO

Integral pressure reversal
Number of control ports

2 switching positions
Nominal size 10

Spool number
Standard
Soft switching W
Sealing material NBR
FKM (Viton) D1

Design index (subject to change)
1.8-40

www.wandfluh.com Illustrations are not binding Data subject to change 1/3 Edition: 20 22 1.8-40 E