UK Product Handbook 2026 - Volume 2

Pipeline ancillaries Strainers and filters

10

Kv values Size

DN15 DN20 DN25 DN32 DN40 DN50 DN65 DN80 DN100 DN125 DN150 DN200

Perforations 0.8, 1.6 and 3.0 mm 5

8

13

22

29

46

72

103

155

237

340

588

Mesh 40 and 100

5

8

13

22

29

46

72

103

155

237

340

588

Mesh 200

4

6

10

17

23

37

58

83

124

186

268

464

For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156

Dimensions/weights (approximate) in mm and kg

PN16 A

AS2129 A

Screening area cm² Weight

A

Size

B

C

DN15

130

130

70 110

27

1.8

DN20

150

147

80 130

43

2.7

DN25

160

157

95 150

73

3.4

DN32

180

176

135 225

135

6.0

DN40 DN50 DN65 DN80 DN100

200

194

145 240

164

7.2

230

224

175 300

251

10.9

290

288

200 335

327

21.7

310

304

210 340

361

25.9

B

C

350

350

255 415 545

38.5

DN125

400

400

300 510

843

63.0

DN150

480

480

345 575

1117

87.0

Withdrawal distance

DN200

600

598

435 730

1909

153.0

Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-S60-18) supplied with the product. Installation note

The strainer should be installed in the direction of flow, as indicated on the body. On applications involving steam or gases the pocket should be in the horizontal plane. On liquid systems the pocket should point downwards. Suitable isolation valves must be installed to allow for safe maintenance and trap replacement. Maintenance note Maintenance can be completed with the strainer in the pipeline. 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 DN25 Spirax Sarco Fig 33 strainer having EN 1092 PN16 flanged connections. The strainer must be supplied with a stainless steel screen having 0.8 mm perforations.

10.6 32

TI-S60-03 CMGT Issue 11

Page 4 of 5

Fig 33 Cast Iron Strainer

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