for medium: bulk goods
Properties: pourable, chemically neutral,
not prone to caking
Working pressure: pressureless
max. allowed
Working pressure : < 0.5 bar (Ps) MAWP
(Note: MAWP = Ausl.-Pressure)
Operating temp.: 0 °C ... + 60 °C (Ts) MAWT
Ambient temp.: 0 °C ... + 50 °C (Ta)
Explosion protection: II 1/3 D Ex h IIIC T85°C Da/Dc X
Evaluation of the butterfly valves according to DGRL 2014/68/EU,
Diagram 7, certified module A2.
The fittings are not subject to the conformity assessment.
Test pressure: design pressure x 1.1 bar for leak tightnessREQUIRED -
Butterfly valve, type DKZE 110 DN 250
Overall length 68 mm
for clamping between flanges
according to EN 1092, PN 10 (see BA)
with eccentric flap bearing
Housing made of stainless steel 1.4408 with connection for grounding
lead-out shaft with connection for grounding
Flap disc made of stainless steel 1.4408
Shafts made of stainless steel 1.4057 or higher
Shaft sealing with O-rings
Shaft bearing in brass bush
Supplied with a flat gasket made of Klingersil
Support ring made of stainless steel in the housing, replaceable
with replaceable profile sealing ring made of FPM black deriv.
- can be clamped pneumatically against the valve disc - chamfered
Clamping pressure = approx. 2-3 bar above system pressure
further attachments:
Pneumatic rotary drive
AT 220 DR double-acting
required control pressure 6.0 bar
el./peum. Control for APS flaps
** 1 signal control **
Execution according to tax plan 0003475
with quick exhaust valve, without pressure regulator,
with throttle silencers
Solenoid valve 5/2 way function
Norgren 2623077.3046
24V DC, IP65
Namur version, with manual override
Cat. II 3 G Ex nA IIC T5 Gc
Cat. II 3 D Ex tc IIIC T=95°C Dc
Limit switch box with double sensor
P+F NBB2-V3-E2-3G-3D
3-wire, pnp, normally open, 10-30 V DC, IP 66 / IP 67
installed in the aluminum housing
and wired to terminal strip
for position indicator "Open-Closed"
Cat. II 3 G Ex nA IIC T6 Gc
Cat. II 2 D Ex t IIIC T80°C Db
-20°C=< Ta =< 60°C
