Pipeline ancillaries

Strainers and filters

Safety information, installation and maintenance

For full details see the Installation and Maintenance Instructions

(IM-S60-24) supplied with the product.

Warning:

The strainer cover gasket contains a thin stainless steel support

ring, which may cause physical injury if it is not handled and

disposed of carefully.

Installation note:

The Fig B34 basket type strainer must be fitted in a horizontal

pipeline and the Fig B34 'T' type strainer must be fitted in a vertical

pipeline. Both must be fitted with the direction of flow as shown on

the body.

Suitable isolation valves must be installed to allow for safe

maintenance and strainer replacement.

Spare parts

The spare parts available are shown in solid outline. Parts drawn

in broken line are not supplied as spares.

Available spares

Strainer screen

(state material, size of perforations and size of strainer)

4

3

5, 6

Always order spares by using the description given in the column

headed 'Available spares' and state the size and type of strainer.

Example: 1 - Stainless steel screen having 3 mm perforations

for a DN250 Spirax Sarco Fig B34 strainer.

Note: When ordering a spare screen it is advisable to order a

cap gasket (packet of 3).

6

3

Cap gasket (packet of 3)

Set of cap studs and nuts

How to order spares

Basket type

Designed for fitting into a

horizontal pipeline

'T' type

Designed for fitting into a

vertical pipeline

Maintenance note:

Maintenance can be completed with the strainer in the pipeline,

once the safety procedures have been observed. It is

recommended that a new gasket is used whenever maintenance

is undertaken.

Recommended tightening torques

4

5

Size Quantity Dimensions Torque (N m)

DN40

4

1⁄2" - 13 UNC

15

DN50

22

DN65 4 " - 11 UNC 40

DN80

4

3⁄4" - 10 UNC

70

DN100

100

DN125 6

100

DN150 6

" - 11 UNC

160

DN200 8

205

DN250 12

205

DN300 12

1 "-7UNC

375

DN350 14

420

Disposal:

The product is recyclable. No ecological hazard is anticipated

with disposal of this product, providing due care is taken.

How to order

Example: 1 off Spirax Sarco DN200 Fig B34 strainer flanged

to EN 1092 PN16 with a stainless steel screen having 3 mm

perforations.

TI-P168-04 ST Issue 2

Fig B34 Carbon Steel 'T' Type or Basket Type Strainers

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