Pipeline ancillaries
Strainers and filters
Kv values
Size
Perforations 0.8, 1.6 and 3 mm
Mesh 40 and 100
Mesh 200
For conversion: Cv (UK) = Kv x 0.963
Cv (US) = Kv x 1.156
1⁄4"
"
1⁄2"
3⁄4"
1"
11⁄4"
11⁄2"
2"
1
2.6
3.6
1
2.6
3.6
1
2.6
2.6
11
15.5
26
41
68
11
15.5
26
41
68
9
13.0
21
33
55
Spare parts
The spare parts available are shown in solid outline. Parts drawn
in broken line are not supplied as spares.
Available spares
Strainer screen
4
(state material, size of perforation or mesh and size of strainer)
Cap gasket
(packet of 3) 3
How to order spares
Always order spares by using the description given in the column
headed 'Available spares' and state the size and type of strainer and
perforation or mesh required.
Example: 1 off Stainless steel strainer screen, having 1.6 mm
perforations, for a 3⁄4" Spirax Sarco Fig 16 strainer with screwed BSP
connections.
Note: When replacing the strainer cap coat the thread only with
anti-seize compound, making sure none gets on the gasket or
gasket faces.
Dimensions/weights (approximate) in mm and kg
Size
A
B
"
69
55
1⁄2"
76
55
3⁄4"
88
65
1"
106
78
11⁄4"
133
103
11⁄2"
146
115
2"
172
140
C
87
87
110
125
155
190
230
D
26
32
38
46
56
62
76
Screening
area cm2 Weight
25
25
42
71
135
161
251
0.32
0.38
0.51
0.87
1.56
2.10
3.46
Withdrawal
distance C
A
D
B
Safety information, installation and maintenance
For full details see the Installation and Maintenance Instructions
(IM-S60-17) supplied with the product.
Warning:
The strainer cap gasket contains a thin stainless steel support ring,
which may cause physical injury if not handled and disposed of
carefully.
Disposal
The product is recyclabe. No ecological hazard is anticipated with
disposal of this product, providing due care is taken.
How to order
Example: 1 off Spirax Sarco 11⁄2" Fig 16 strainer with screwed BSP
connections and a stainless steel screen having 0.8 mm
perforations.
3
4
2
Recommended tightening torques
or
mm
22 A/F
Item
2
Size
"
1⁄2"
3⁄4"
1"
11⁄4"
11⁄2"
2"
N m
45 - 50
45 - 50
60 - 66
100 - 110
240 - 260
260 - 280
310 - 340
22 A/F
27 A/F
27 A/F
46 A/F
46 A/F
60 A/F
Fig 16 and Fig 16L Austenitic Stainless Steel Strainers
TI-P160-01 ST Issue 7
7.7.14
