Siemens ET 727 Series Manuel d'utilisateur télécharger pdf (Page 7)

8650

AirLINE Ex

p. 7/11

Pilot valves type 6524 and type 6525 Ex-i (11 mm width per station)

Technical data

Body material

PA (polyamide)

Sealing material

NBR

Media

lubricated and non lubricated dry

compressed air; neutral gases

(5 μm-ﬁ lter recommended)

Port connection

Flange for MP 13

Manual actuation

yes (alternative versions without)

Rated power

0.3 W

(for 2 x 3/2-way valves: 2 x 0.3 W)

Duty cycle

100 % ED (continuous operation)

Electrical connection at the

valve

rectangular plug RM 2.54 mm

Oriﬁ ce

4mm

QNn value air [l/min]

300

Installation

with 2 screws M2 x 20

The pilot valves of types 6524 and 6525 consist of a solenoid valve (Ex-i design) and a pneumatic poppet valve as ampliﬁ er. The operating principle

enables high pressure to be controlled with low power consumption and short switching times. The valves are equipped with manual override (alterna-

tively versions without).

Ordering chart

ATEX & IEC-Ex certiﬁ ed

Circuit

Function

Response

time

Opening

[ms]

Response

time

Closing

[ms]

Pressure

range

[bar]

manual

override

Item No.

C = NC (normally closed)

3/2-way valve,

servo-assisted,

currentless, Port 2 decreased

15 20 2,5 - 7 yes 184766

2,5 - 7 no 186832

1 - 7 yes 186835

2 x 3/2-way valve, servo-assisted in de-

energized position port 2/4 to atmosphere

15 20 2,5 - 7 yes 182086

1 - 7 yes 182088

5/2-way valve,

servo-assisted, currentless,

Port 1 with Port 2, Port 4 exhausted

15 20 2,5 - 7 yes 184769

2,5 - 7 no 184773

1 - 7 yes 186834

Version for use with auxiliary pilot air only !

Other valve functions on request



















1 2 3 4 5 6 7 8 9 10 11

Commentaires sur ces manuels

Pas de commentaire

Siemens ET 727 Series Manuel d'utilisateur Page 7

Commentaires sur ces manuels

Produits connexes et manuels pour Plaques chauffantes Siemens ET 727 Series