Pipeline ancillaries Strainers and filters
10
Materials
DN32 to DN50 (1¼" to 2")
1
4
3
5 + 6
2
No.
Part
Material
1 2 3 4 5 6
Body
Carbon steel
EN 10213 10619+N and ASTM A216 WCB
Cover
Carbon steel
EN10213 1.0619+N and ASTM A216 WCB
Cover gasket
Stainless steel + Graphite
Spiral wound
Strainer screen
Stainless steel
AISI 316L
Cover stud
Carbon steel
ASTM A193 Gr. B7
Cover nut
Carbon steel
ASTM A194 Gr. 2H
Kv values Size
DN15 (½")
DN20 (¾")
DN25 (1")
DN40 (1¼")
DN50 (2")
DN65 (2½")
DN80 (3")
DN100 (4")
DN150 (6")
DN200 (8")
Perforations 0.8, 1.6 and 3 mm
5
8
13
29
46
72
103
155
340
588
Mesh M40 and M100
5
8
13
29
46
72
103
155
340
588
Mesh M200
4
6
10
23
37
58
83
124
268
464
Please consult Spirax Sarco for the Kv values of the following screens: 1 mm, 6 mm, M20, M60 and M400. For conversion:
10.6 63
Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
TI-P168-01 CMGT Issue 4
Page 3 of 6
Fig 34HP Carbon Steel Strainer
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