GENERAL CATALOGUE API

Air operated valves series A1

Code key

Series

Actuation

Size

Function

Options

/

ATEX valve body

A1

P

2

50

/

A1

P = Pneumatic

1 = 1/8"

30 = 3/2 Normally closed

BT = Low temperatures seals

2 = 1/4"

31 = 3/2 Normally open

4 = 1/2"

32 = 3/2 Pilot/Pilot

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

ATEX*

33 (1) = 3/2 Pilot/Pilot differential

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

ATEX**

50 = 5/2 Pilot/Spring

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

51 = 5/2 Pilot/Pilot

2 - VALVES

52 = 5/2 Pilot/Pilot differential

70 = 5/3 Closed Centres

71 = 5/3 Open Centres

72 = 5/3 Pressurized Centres

73 (2) = 5/3 Closed Centres differential

How to order

Notes

Options in the same grid are alternative to each others. (1) Only for size 1/8" and 1/4". (2) Only for size 1/8". For further information on options and their matching, see page 2.30.5. For further information on the ATEX 2014/34/EU Directive, on classifications and protections, see from page III.1

Series

Actuation

Size Function Option

-

A1

P

2

50

2.30.6