Pipeline ancillaries

Bellows sealed stop valves

Safety information, installation and maintenance

For full details see the Installation and Maintenance Instructions (IM-P137-02) supplied with the product.

Installation note: Install in the direction of flow given by the arrow on the body with the handwheel in a suitable position.

Disposal: These products are recyclable. No ecological hazard is anticipated with the disposal of these products, providing due care is taken.

How to order

Example: 1 off DN25 Spirax Sarco type BSA2T bellows sealed stop valve, flanged PN16 or PN25.

Note: Should the differential pressure exceed those listed against the respective sizes in the table below, then please ensure balancing

discs are specified for use in the valves (see illustration overleaf).

Size

DN125

Differential pressure (bar)

25

Spare parts

The spare parts are shown in heavy outline. Parts drawn in broken

line are not supplied as spares.

DN150

17

DN200

10

DN250

6

Available spares

Body/bonnet gasket and stem packing

Stem and bellows assembly (state if BSAT or BSA)

Disc (and optional disc where fitted) -

state full description of the valve

How to order spares

10, 8 (2 off)

5, 6, 8, 10

4, 8, 10

Please note: for customer convenience spares are supplied in kits

to ensure all the appropriate replacement parts are supplied to carry

out a specific maintenance task. e.g. when a stem/bellows assembly

is ordered, parts (10), (8) and (6, 5) will be included in the kit.

Always order spares by using the description given in 'Available

spares' and state the size and type of stop valve.

Example: 1 - Body / bonnet gasket and stem packing for a DN15

Spirax Sarco BSA2T PN16 bellows sealed stop valve.

7.1.13

BSAT

shown

10

5

8

6

TI-P137-18 ST Issue 6

BSAT and BSA Bellows Sealed Stop Valves

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