Product Handbook 2026 - Volume 2

Pipeline ancillaries Air vents and air eliminators

10

Kv values Size

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

Perforations 0.8, 1.6 and 3 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: C v (UK) = K v x 0.963 C v (US) = K v x 1.156

Dimensions/weights (approximate) in mm and kg

Upstream pressure tapping

Downstream pressure tapping

PN16 A

ASME 150

Screening area cm²

Size

B C

Weight

DN15

130

-

69 101

28

2.1

DN20

150

-

82 125

46

2.9

DN25

160

-

90 140

79

3.8

DN32

180

-

114 198

135

6.6

DN40 DN50 DN65 DN80 DN100

200

-

127 210

161

9.0

230

233 150 248

251

10.5

B

290

288 162 263

325

17.5

310

311

178 272

360

20.0

350

-

210 323

540

24.0

DN125

400

396 253 393

840

38.0

A

DN150

480

482 293 454

1115

50.5

Withdrawal distance C

DN200

600

610 375 584

1905

88.0

7.11.8

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 Spirax Sarco DN40 Fig 3716 strainer, flanged EN 1092 PN16 with austenitic stainless steel screen having 0.8 mm perforations and flanged screen cap.

10.11 7

TI-P081-03 CMGT Issue 10

Page 3 of 4

Fig 3716 SG Iron Strainer - DIN Material

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