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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