beautypg.com

Burkert Type 8686 User Manual

Page 11

background image

11

Technicaldata

6.4

mechanical data

Dimensions

See data sheet

Body material

PPS, PC, VA

Sealing material

outside EPDM
inside NBR

Stroke range of valve spindle RV50 actuator size

6 mm

RV70 actuator size

9.5 mm

RV110 actuator size

13.5 mm

6.5

Type label

Example:

8686 AS-i S-7.A.E

2x single pilot 3.0

Pmax 7bar

Tamb 0 ... +55°C

Ser. No. 001000

00XXXXXX

D-74653

Ingelfingen

W14UN

ce

Identification number

Supply voltage / control or

AS Interface profile

Max operating
pressure

Type

Control function -
pilot valve

Bar code

Serial number,
CE symbol

Ambient
temperature

Fig. 4: Example of type label

6.6

pneumatic data

Control medium

neutral gases, air

Quality classes in accordance with
DIN ISO 8573-1

Dust content Class 5 Max. particle size 40 µm,

max. particle density 10 mg/m³

Water content of Class 3 max. pressure dew point - 20 °C or

min. 10 °C below the lowest
operating temperature

Oil content Class 5 max. 25 mg/m³

Temperature range
Control medium

-10 – + 50 °C

Pressure range
Control medium

6 – 7 bar
(for further details see operating
instructions Type 2036 and
chapter “8.3 Pneumatic installation of
control head Type 8686”)

Air output of pilot valve

250 l

N

/ min (for aeration and deaeration)

(Q

Nn

value according to definition for

pressure drop from 7 to 6 bar absolute)

Connections

Plug-in hose connector Ø 6 mm / 1/4"
Socket connection G1/8

English

Type 8685 / 8686

This manual is related to the following products: