2516 datasheet(13/61 Pages) BURKERT

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Type 6519

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2.9. Ex ia version for extended temperature range

Note:

• The maximum medium temperature may never exceed the permissible temperature class (T4 135 °C, T5

100 °C, T6 85 °C) minus 5K.

Product properties

Aluminium

Stainless steel

Orifice

DN 9

Response times

5/2

5/2‑bi

5/3

3/2

5/2

5/2‑bi

Opening [ms]

Closing [ms]

Body material

Pilot valve

Stainless steel

Main valve

Aluminium ematalised

Stainless steel 1.4571

Threaded socket

Aluminium

Stainless steel

Seal material

FPM, NBR

PU, NBR, FPM

Compressed air quality

ISO 8573‑1:2010, Class 7.2.4 1.)

Electrical data

Function values for switching

function valve

At + 20 °C

At + 55 °C

Minimum switching current

29 mA

Nominal resistance coil

310 Ω

360 Ω

Minimum terminal voltage

9.0 V

10.4 V

Conformity specifications

35 V

0.9 A

1.1 W

Voltage tolerance

+ 10 %

Medium data

Operating medium

Neutral medium, eg lubricated or non‑lubricated compressed air

Medium temperature

- 30 °C…+ 80 °C

Process/Port connection & communication

Electrical connection

Cable plug Type 2518, form A acc. to DIN EN 175301-803. Detailed

information can be found in chapter “Cable plug Type 2518, form A

according to DIN EN 175301‑803” on page 57.

Pneumatic connection

Supply port 1, 3, 5

Threaded G ¼, NPT ¼

Working port 2, 4

Threaded G ¼, NPT ¼

Approvals and certificates

Degree of protection

IP65 with cable plug

Approval

EPS 18 ATEX 1 088 / IECEx EPS 18.0038 X

II 2G Ex ia IIC T6 Gb

II 2D Ex ia IIIC T135 °C Db

Environment and installation

Installation

As required, preferably with actuator upright

Ambient temperature

- 40 °C…+ 75 °C

- 30 °C…+ 75 °C

1.) To prevent freezing of the expanded compressed air, the pressure dew point must be at least 10 K lower than the temperature of the medi‑

um..

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