Burkert 3280 - 6 Technical Data; Conformity; Standards; Operating Conditions

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Technical data
Type 3280, 3285
6 TECHNICAL DATA
6.1 Conformity
The motor valve Type 3280 and 3285 is compliant with EU directives as stated in the EU Declaration of Conformity
(if applicable).
6.2 Standards
The applied standards, which are used to demonstrate compliance with the EU Directives, are listed in the EU type
test certificate and/or the EU Declaration of Conformity (if applicable).
6.3 Operating conditions
WARNING!
Risk of injury due to malfunction if device used outdoors.
▶ Do not use the device outdoors and avoid heat sources which may cause the permitted temperature range to
be exceeded.
▶ Protect the device from direct sunlight and humidity.
Permitted temperatures
Ambient temperature -10...+60 °C (observe derating curve, see chapter “6.6.1”)
-10...+50 °C Type 3280, Seat diameter 8...10, positioner and process controller
restricted
Medium temperature 0...+70 °C
Medium temperature for
oxygen 0...+60 °C
Permitted air humidity
Air humidity < 95 %, non-condensing
Authorized medium
Medium non-aggressive, clean and non-corrosive liquid and gaseous medium which do
not attack the bodies and sealing materials. Check resistance in individual cases
(see chemical resistance chart at www.burkert.com).
If medium is contaminated or contain particals, connect a suitable dirt filter
upstream.
Control functions Depending on the version, the seat of the valve is closed with or against the
medium flow:
Type 3280: flow direction under seat
Type 3285: flow direction over seat
Circuit function
2 (A)
1 (P)
2-way valve for continuous control of the flow rate in output A, motorized,
without power motionless
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