Burkert Type 6520 - Manual (Page 6)

4 - 6520
english
NOTE Under normal conditions, the devices work maintenance-free.
• Drives: - Piezo drive,
• Valve housing with membrane and seat seals (5/2)
• Service ports 2 (B) / 4 (A) with change-over plate to MAMUR flange layout,
plus feed and drain connections 1, 3 and 5 with G 1/4 internal thread
• Can be installed in any position, preferably with connection at top
Operating voltage: 24 V DC ±10%
Pressure range: 2,5 to 7 bar
Flange: NAMUR flange
Standby current: < 150 µA at 24 V
Power dissipation: < 10 mW
Permissible temperature range
Ambient: - 20 to +55 ° C
Medium: - 20 to +50 ° C
Protection class: IP 65
The valve can be supplied in explosion protection class
to EN 50020, II 2G EEx ia IIC T6
3 GENERAL TECHNICAL DATA
3.1 Type 6520 NAMUR with 24 V connection
3.2 Valve construction