Type 8690

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1.

General technical data

Product properties

Dimensions

Further information can be found in chapter “4. Dimensions” on page 7.

Material

Body

PPS

Seal

EPDM

Cover

PC

Commissioning

Setting valve end position

Manual

Manual override of pilot valve

Yes

Status display

Display of device and valve status

Optical

Optical position indicator (mechanical)

Yes

Performance data

Position sensor

Stroke range for linear actuator

Valve spindle, initiator

2…28 mm

Valve spindle, micro switch

7…28 mm

Position feedback

Micro switch

1x or 2x micro switch (24 V DC)

Initiator

1x or 2x inductive proximity switch 3-wire (24 V DC)

1x or 2x inductive proximity switch NAMUR (8 V DC) (ATEX II 2G Ex ia IIC T6)

Electrical data

Operating voltage

Pilot valve

24 V DC ± 10 %, residual ripple 10 % DC, power consumption 1 W

Residual ripple

10 %

Power consumption

< 1 W

Micro switch

Max. 24 V DC, max. 2 A

Initiator

10…24 V DC, max. 100 mA external load per initiator

Protection class

III according to DIN EN 61140

Electrical connection

Multipole version

M12, 8-pin

Cable gland version

M16 x 1.5 (cable Ø 5…10 mm) with screw terminals for cable cross sections 0.14…1.5 mm²

Pneumatic data

Control medium

Neutral gases, air, quality class according to ISO 8573 - 1

Dust content

Class 7 (< 40 µm particle size)

Particle density

Class 5 (< 10 mg/m3)

Pressure dew point

Class 3 (<- 20 °C or min. 10 °C below the lowest operating temperature)

Oil content

Class X (< 25 mg/m3)

Air supply filter

Exchangeable

Mesh size

~0.1 mm

Supply pressure

3…7 bar 1.)2.)

Pilot air port

Threaded connection G ⅛ stainless steel or push-in connector (pipe Ø 6 mm / ¼")

Actuating system

Circuit function

Single and double-acting

Air capacity

250 I

N/min (for aeration and ventilation)

(Q

Nn value according to definition at pressure drop from 7 to 6 bar abs)

Actuator series/size

Type 21xx, actuator Ø 70/90/130/225 mm