GENERAL CATALOGUE API

Solenoid operated valves series A1

Code key

Series

Actuation

Size

Function

Options

/

ATEX valve body

A1

E

2

50

/

A1

E = Electric

1 = 1/8"

30 = 3/2 Normally closed

BT = Low temperatures seals

K (1) = Electric with external air pilot

2 = 1/4"

31 = 3/2 Normally open

4 = 1/2"

32 = 3/2 Solenoid/Solenoid

II 2G Ex h IIB T5 Gb II 2D Ex h IIIC T100°C Db

ATEX*

50 = 5/2 Solenoid/Spring

II 2G Ex h IIC T5 Gb II 2D Ex h IIIC T100°C Db

ATEX**

51 = 5/2 Solenoid/Solenoid

* For size 1/8" and 1/4" ** For size 1/2"

52 = 5/2 Solenoid/Solenoid differential

2 - VALVES

70 = 5/3 Closed Centres

ATEX note For ATEX coils and connectors choice, classification, features, dimensions and matching, see page 2.320.1 For further information on the ATEX 2014/34/EU Directive, on classifications and protections, see from page III.1

71 = 5/3 Open Centres

72 = 5/3 Pressurized Centres

How to order

Notes

Options in the same grid are alternative to each others. For further information on options and their matching, see page 2.20.5.

Series

Actuation

Size Function Option

(1) Electrical actuation with external air pilot (K) is available only for function 3/2 N.C. (30), 3/2 solenoid/solenoid (32), 5/2 solenoid/spring (50), 5/2 solenoid/solenoid (51) and 5/3 (70, 71, 72). Coils and connectors to be ordered separately, see page 2.27.1

-

A1

E

2

50

2.20.6