Page 152 - Bürkert

Note Electrical data - coil AC10 Ex i
The units may only be used in explosive atmospheres in the manner ap- Approval II 2G Ex ia IIC T6 PTB 01 ATEX 2101
proved by the Federal Institute of Physics and Technology (PTB), i.e., the II 2D Ex ia D21 T 80°C
permissible maximum electrical values must be complied with. Suitable Functional values for valve
switching function 1) at +20°C at +55°C
barriers and isolating modules are available for this. Minimum switching current 29 mA 29 mA
Nominal resistance of the coil 310 Ω 360 Ω
Barrier/ Minimum terminal voltage 9.0 V 10.4 V
PLC isolating
component Permissible maximum values
acc. to certificate of conformity
The valve is intended for operation on 24 VDC outputs via the intermedi- Ui 35 V
Ii
0.9 A
ate switching of a corresponding intrinsically-safe operating resource Pi 1.1 W 6519 NAMUR Ex i
(isolating module or barrier). If required, request the “Recommended 1) With high impedance coil on request
Barrier and Isolating Module” data sheet.

Ordering Chart

Port (P) Orifice QNn Pressure range
Thread insert material Item no.
[inch] [mm] [l/min] [bar]
Type 6519 NAMUR version, Ex i, 5/2-way convertible to 3/2-way 1)
stainless steel G 1/4 6 900 2 - 8 144 482
brass nickelplated G 1/4 6 900 2 - 8 144 483

brass nickelplated G 1/4 6 900 2 - 8 147 244

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