Page 91 - Bürkert

2/2- and 3/2-way Solenoid Valve for analytical applications

6624 TwinPower

• 10 mm Installation width
2 (A)
• Orifice DN0.8-1.6 mm
1 (P)
• Media separated, for aggressive fluids
2 (A)
• Direct-acting
• Suitable vacuum 1 (P)
2(A)

1(P) 3(R)

Our revolutionary Twin-power technology uses two coils. The innovative Dimensions [mm] (see datasheet for further Details)
drive concept is combined with the proven rocker principle. The inte-
grated power reduction decreases the energy consumption by 75% and
has the same features as a traditional 16 mm unit. In combination with
other design features the heat transfer into the medium can be reduced
to a minimum.
In the design of the 6624, the main benefits lie in its excellent cleanability
and a high reliability. By using high performance materials the 6624 suits
the handling of aggressive medium perfectly. The valve is available in a
2/2-way and 3/2-way version.
C
Technical data
Orifice DN0.8 mm (Vac-5 bar),
DN1.6 mm (Vac-2 bar)
Body material PEEK / PPS
Seal material FFKM / FKM / EPDM
Medium Resistant to neutral and aggressive fluids and gases;
see Bürkert resistance table
Medium temperature
FFKM +15 °C to +50 °C
FKM – 5 °C to +50 °C
EPDM – 5 °C to +50 °C
Ambient temperature A
FFKM +15 °C to +55 °C
FKM –10 °C to +55 °C B
EPDM –10 °C to +55 °C A B C
Internal volume <100 µl 29.6 10 44.4
Port connection Flange / UNF / tube spigot
Electrical connection Flying leads, Rectangular plug Type 2505
(not included)
Operating voltages 24V 1)
Voltage tolerance
24V ±10% 2)
12V +10% / –5% 2)
Nominal power 4 W inrush power
1 W nominal holding current
(internal reducing of power)
Duty cycle Continuous operation 100% ED
Installation As required
Protection class IP40
Switching frequency Max. 5 Hz 3)
Response times Acc. to ISO 12238
Opening approx. 10 ms (Pressure rise 0-10%)
Closing approx. 13 ms (Pressure drop 100-90%)
1) Battery voltage, check polarity (red= +, black= –)
2) Max. allowed ripple
3) at ambient temperature of 20 °C

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