Page 397 - Softbound_Edition_19_en

Proportional spool valve
Proportional spool valve

Proportional spool valve with additional hand
lever actuation NG6
ISO 4401-03
Flange construction
◆ Q = 35 l/min x II 2 G Ex db IIC
max
◆ 4 volume flow levels x II 2 D Ex tD A21 IP65
◆ Q N max = 25 l/min x I M2 Ex db I Mb
◆ p = 350 bar Class I Division 1
max
Class I Zone 1

DESCRIPTION SYMBOL
Proportional spool valve according to data sheet 1.10-88 with addi- Overview spool types see data sheet 1.10-88

tional hand lever actuation.

Note! The standard valve cannot be retrofitted.
A B
a 0 b
a b
P T

TYPE CODE

WD B F A06 - Z568 # 2
Spool valve, direct operated

Proportional, explosion proof execution Ex d
Flange construction
International standard interface ISO NG6

Other type designation according to type code data sheet 1.10-88
Hand lever

Design index (subject to change)
1.10-89

DIMENSIONS GENERAL SPECIFICATIONS
Weight WDBFA06 +1,0 kg

Note! Further specifications, see data sheet 1.10-88

256.5
SURFACE TREATMENT
◆ The flange, the housing and the lever are zinc-nickel coated

44.4
167.9 123.5
291.4

Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 [email protected]

www.wandfluh.com Illustrations are not binding Data subject to change 1/1 Edition: 19 38 1.10-89 E
Page 397