7.7.19

C

B

Steam

saturation

A

curve

C

B

Pipeline ancillaries

Strainers and filters

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

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.

© Copyright 2015

TI-S60-03

ST Issue 8

Description

The Fig 33 is a cast iron integrally flanged Y-type strainer. The

standard stainless steel screen in the DN15 to DN80 size range

has 0.8 mm perforations, in the DN100 to DN200 size range it has

1.6 mm perforations. Optional mesh sizes are available as well

as monel screens. The strainer cap can be drilled and tapped for

blowdown and drain valves if required.

Standards

This product fully complies with the requirements of the European

Pressure Equipment Directive 97/23/EC.

Certification

This product is available with a manufacturer’s Typical Test Report.

Note: All certification / inspection requirements must be stated at the

time of order placement.

Sizes and pipe connections

Fig 33

Cast Iron

Strainer

DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100,

DN125, DN150 and DN200

Standard available flanges: EN 1092 PN16, AS 2129 table F,

ASME 150 (DN15 and DN20) and ASME 125 (DN25 to DN200).

Optional extras

Stainless steel screen

Perforations

Mesh

Perforations

Mesh

1.6 mm (DN15 to DN80)

3.0 mm (DN15 to DN200)

40, 100, 200

Monel screen

0.8 mm

1.6 mm

3.0 mm

100

(DN15 to DN80)

(DN100 to DN200)

(DN15 to DN200)

1

4

3

2

Blowdown or drain valve connections

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

or drain valve to be fitted.

Drain valve

1⁄4"

1⁄2"

3⁄4"

3⁄4"

3⁄4"

DN15 to DN50

Strainer size

DN15

DN20 and DN25

DN32 and DN40

DN50, DN65, DN80, DN100 and DN125

DN150 and DN200

Blowdown valve

1⁄4

1⁄2"

1"

11⁄4"

2"

Pressure/temperature limits

300

A

200

100

1

4

3

2

Materials

No. Part

1 Body

Cap DN15 to DN50

2

Cover DN65 to DN200

3 Cap gasket

4 Strainer screen

5 Bolts

0

0

2

4

6

8

10

12

14

16

A - A

B - B

C - C

Pressure bar g

The product must not be used in this region.

Flanged EN 1092 PN16

Flanged AS 2129 Table F

Flanged ASME 125 (including DN15, DN20 flanged ASME 150)

5

DN65 to DN200

Cast iron

SG iron

Cast iron

Reinforced exfoliated graphite

Austenitic stainless steel ASTM A240 316L

Carbon steel

BS 4169 Gr. 8.8

PN16

16 bar g

300°C

-10°C

0°C

13 bar g

13 bar g

10 bar g

10 bar g

300°C

0°C

Designed for a maximum cold hydraulic test pressure of 24 bar g

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

DN15 to DN50

DN65 to DN200

EN 1092 PN16

AS 2129 Table F

ASME 125

ASME 150

Material

PMO

Maximum operating pressure

for saturated steam service

DIN 1691 GG 20

DIN 1693 GG 25

DIN 1691 GG 20

TMO Maximum operating temperature

Minimum operating temperature

T

e

m

p

e

r

a

t

u

r

e

°

C