Pipeline ancillaries

HVB3aslltvoaplveaslve

How to order

Note: You will need to refer to the selection tables (pages 4 to 12) before placing an order.

How to order example:

1 - Spirax Sarco BVA320S/8 actuator

1 - 3/2 NAMUR solenoid 24 Vac

1 - 303X linkage kit

1 - LSB72 limit switch box

Note: Actuated ball valves may be supplied completely assembled to suit the application.

Spare parts

The spare parts available are detailed below. No other parts are supplied as spares.

Available spares

'O' rings set (available either in NBR, Viton or Silicon)

BVA300 series maintenance kit

Pinion washers

6

8

17

11

7, 8, 11, 12, 16

13, 14, 15

5, 6, 10, 17, 18

Others

Always order spares by using the description given in the column headed 'Available spares' and state the nomenclature of the pneumatic

How to order spares

actuator that they are intended for. Note: all the spares mentioned above are sold together in one spare part kit.

Example: 1 - BVA300 series maintenance kit with 'O' rings in NBR for a Spirax Sarco BVA320S/08 pneumatic actuator.

22

21

13

14

15

12

1

20

4

11

178

6

18

7

Spring quantity selection

According to the available air pressure, the BVA has different spring configurations.

For more details, see the Installation and Maintenance Instructions IM-P372-24.

Springs

BVA

S/4

S/6

S/8

310

•

•

•

315 - 365

•

Example: BVA325S/10 has 10 springs.

S/10

•

S/12

•

S/14

•

Page 3 of 12

TI-P372-23 CTLS Issue 11

BVA300 Series Pneumatic Actuators for use with Spirax Sarco Ball Valves

5

16

10

3

(not an

available

spare)

7.4.158

Exploded view

of the spring set

Normally open

configuration shown