Cert. No. LRQ 0963008

ISO 9001

Pipeline ancillaries

Strainers and filters

Fig 3

Bronze

Strainer

DN15 to 25

TI-P021-01

ST Issue 6

DN50 to 100

1

4

3

Description

1

4

The Fig 3 is a bronze integrally flanged Y-type strainer. The

standard stainless steel screen in the DN15 to 80 size range has

0.8 mm perforations, the DN100 has 1.6 mm perforations. Optional

mesh and perforation sizes are available as well as monel screens.

The strainer cap can be drilled and tapped for blowdown and

drain valves if required.

7.7.5

Standards

This product fully complies with the requirements of the European

Pressure Equipment Directive 97/23/EC and carries the mark

when so required.

This product is available with certification to EN 10204 2.2.

Note: All certification / inspection requirements must be stated at

the time of order placement.

Sizes and pipe connections

DN15, 20, 25, 32, 40, 50, 65, 80 and 100.

Standard flanges:- BS 4504/DIN PN25 and ANSI 150.

Material

Bronze

Brass

Bronze

Reinforced exfoliated graphite

Certification

DN32

DN40

DN50

DN50

DN100

Optional extras

Strainer screens

Stainless steel screen

Monel screen

Mesh

Blowdown or drain valve connections

1.6 mm (DN15 to 80)

3.0 mm (DN15 to 100)

40, 100, 200

0.8 mm (DN15 to 80)

3.0 mm (DN15 to 100)

100

Limiting conditions (ISO 6552)

Body design conditions

PMA - Maximum allowable pressure

TMA - Maximum allowable temperature

Minimum operating temperature

Perforations

Mesh

Perforations

Designed for a maximum cold hydraulic test pressure of 38 bar g

The cap can be drilled to the following sizes to enable a blowdown

or drain valve to be fitted at extra cost.

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Steam

saturation

curve

C

B

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Pressure bar g

This product must not be used in this region.

For use in this region the castings may be resin impregnated

to MIL/276 and DEF 03 - 1/2 standards.

Strainer size

DN15 and 20

DN25

DN32 and 40

DN50

DN65 and 80

DN100

Blowdown valve

1⁄2"

3⁄4"

1"

11⁄4"

11⁄2"

2"

Drain valve

1⁄2"

3⁄4"

3⁄4"

3⁄4"

3⁄4"

3⁄4"

2

7

2

Materials

No. Part

1 Body

2 Cap

3 Cap gasket

3

5

A - B

In the interests of development and improvement of the product, we reserve the right to change the specification.

© Copyright 2004

Local regulations may restrict the use of this product to below the conditions quoted.

DN15

5 Cap bolts

6

Cap studs

Cap nuts

7 Screen rods

to 25

to 100

EN 1982 CC491K

EN 12165 CW617N

EN 1982 CC491K

DN32

4 Strainer screen

Stainless steel

Carbon steel

Carbon steel

Carbon steel

Carbon steel

Brass

316L

BS 4439 Gr. 8.8

BS 1768 Gr. S

BS 2693 - R

BS 1768 - 1

BS 2874 CZ 121

PN25

25 bar g

250°C

0°C

to 100

to 100

Special testing to allow lower temperature operation can be provided

at extra cost. Consult Spirax Sarco.

Operating range

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A

T

e

m

p

e

r

a

t

u

r

e

°

C

Flanged BS 4504/DIN PN25 A - C Flanged ANSI 150