Page 27 - Bürkert
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2/2 or 3/2-way Pivoted Armature Solenoid Valve
with Ex approval
0330 Ex • Direct-acting with isolating diaphragm 2 (A)
• With lockable manual override
1 (P)
• For liquid, gaseous and aggressive
media 2(A)
• For slightly contaminated fluids 1(P) 3(R)
• Long service life, even in non-lube 2(A)
conditions
1(P) 3(R)
Type 0330 Ex is a direct-acting 2/2 or 3/2-way pivoted armature Envelope Dimensions [mm] (see datasheet for details)
solenoid valve with Ex approval and high service life, even when run dry.
It is suitable for neutral, abrasive and lightly contaminating media, with a
stainless steel body for aggressive media. B
Technical Data
Orifice DN3.0 mm
Body and seat materials Brass and stainless steel 1.4401
Seal materials NBR, FKM
Media
with NBR Neutral media such as compressed air, water, oil
with FKM hot air, oxygen, hot oils, per-solutions D
Media temperature
with NBR 0 °C to +80 °C
with FKM 0 °C to +90 °C
Ambient temperature Max. +55 °C C
2
Viscosity Max. 37 mm /s
A
Operating voltage 24/230 V UC
Voltage tolerance ±10%
Cycle rate 1 Max. 20/min
at medium temp. and to +70 °C
at ambient temp. to +40 °C
Cycle rate 2 Max. 5/min
at medium temp. and to +90 °C A B C D
at ambient temp. to +40 °C 123 60 131 32
Duty cycle 100% continuous rating
Electrical connection Terminal box without safety fuse
moulded-in cable,
3 m HO5RN-F3G, 3 x 0.75 mm on request Other circuit functions
2
Fuse Semi-delay fuse (corresponding to nominal current) The valves are fitted with different springs. When used in other circuit
Power consumption UC: 40 VA (inrush), 3 W (hold) functions, the permissible operating pressure changes according to the
Protection class IP65 following table.
Type of protection II 2 D Ex tD A21 IP65 T135 °C resp. 100 °C
II 2 G Ex d e IIC T4 resp. T5 Circuit Max. operating pressure [bar]
Installation As reqd., preferably with actuator in upright position function when using the valve in a new circuit function
Orifice 3
WW A B C D E F
C 10 1 10 1 1 10
Response times 1)
Opening Closing E 6 6 6 6 6 6
[ms] [ms] F 6 1 6 1 1 10
30 40
1) Measured at valve outlet at 6 bar and +20 °C
Opening: pressure relief 0 to 90%, closing: pressure relief 100 to 10% Options
• Seal material EPDM and FFKM
• Other circuit functions
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