5281
p. /3
www.burkert–usa.com
2/2-way Solenoid Valve with
servo-diaphragm
Servo-assisted solenoid valve with servo-
diaphragm for the control of liquid or gaseous
media. A pressure difference of 2.9 PSI is
required for a complete switchover.
Type 2508
Cable plug
Type 1078
Timer unit
Type 2511
ASI cable plug
Type 5281 can be combined with...
• Universal version up to 232 PSI
• NBR, EPDM or FKM servo-diaphragms
• Waterhammer-free, low noise
• NC circuit function
• Brass and stainless steel body
• Threaded port or flange connections
• Approvals:
Power consumption
Inrush Hold (hot coil)
AC
[VA]
AC
[VA/W]
DC
[W]
24 14/8 8
Response times
1)
0.1 - 4 seconds
(depending on orice, pressure and viscosity)
1) Measured at valve outlet at 87 PSI and 68°F (+20ºC).
Opening: pressure build-up 0 to 90%, Closing: pressure relief 100 to 10%
Technical data
Orice
1/2" - 2" (DN 13 - 50 mm)
Body material
Threaded port
Flange
Brass
Grey cast iron
Inner part valve
Stainless steel, brass
Seal material
NBR, EPDM, FKM
Media
NBR
EPDM
FKM
Neutral media, such as compressed air, water
Oil and fat-free media
Hot air, oxygen, per-solutions
Media temperature
NBR
EPDM
FKM
14°F to 176°F (-10°C to +80°C)
-40°F to 248°F (-40°C to +120°C)
14°F to 248°F (-10°C to +120°C)
Ambient temperature
Max. 131°F (+55°C)
Voltage tolerance
±10 %
Duty cycle
Continuous operation 100% ED
Electrical connection
Tag connector acc. to DIN 43650 Form A for cable
plugs Type 2508 (see Accessories)
Protection class
IP 65 with cable plug
Installation
As required, preferably with actuator upright
Type 8600
Dosing control