beautypg.com

Burkert Type 8697 User Manual

Page 10

background image

10

Technical data

6.4.

Operating conditions

Warning!

solar radiation and temperature fluctuations may cause mal-
functions or leaks.

▶ If the device is used outdoors, do not expose it unprotected to

the weather conditions.

▶ Ensure that the permitted ambient temperature does not exceed

the maximum value or drop below the minimum value.

Ambient temperature

without pilot valve (feedback head)

-20 °C – +60 °C

with pilot valve (control head)

-10 °C – +55 °C

with ATEX approval

see ATEX additional
instructions

Degree of protection IP65 / IP67 according to EN 60529

(only if cables, plugs and sockets have been
connected correctly and in compliance with
the exhaust air concept in chapter “8.2.
Installing the process valve”
).

6.5.

mechanical data

Dimensions

see data sheet

Body material

external PPS, PC

Sealing material external EPDM

internal FKM

Stroke range of valve spindle Micro switch 4 – 36 mm

Proximity switch 2 – 36 mm

6.6.

Type label (example)

8697 24 V/DC

single act Pilot 0,6

Pmax 7 bar 2 sw.mec.

Tamb -10°C - +55°C

S/N 001000

00185114

D-74653

Ingelfingen

W14UN

ce

Identification number

Type - Control

Nominal pressure - limit switch

Control function - pilot valve

Bar code

Serial number - CE mark

Max. ambient temperature

Fig. 4: Example of type label

english

Type 8697