Pipeline ancillaries
Strainers and filters
Dimensions / weights (approximate) in mm and kg
Size
DN15
DN20
DN25
DN32
DN40
DN50
DN65
DN80
DN100
DN125
DN150
DN200
Upstream
pressure
tapping
PN16
A
130
150
160
180
200
230
290
310
350
400
480
600
B
69
82
90
114
127
150
162
178
210
253
293
375
C
101
125
140
198
210
248
263
272
323
393
454
584
Screening
area cm2
Weight
1
1
28
2.1
46
2.9
79
3.8
135
6.6
161
9.0
251
10.5
325
17.5
360
20.0
540
24.0
840
38.0
115
50.5
905
88.0
Downstream
pressure
tapping
C Withdrawal
distance
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
(state material, perforations or mesh and size of strainer)
Cap gasket
DN15 to 100
(3 off)
3
DN125 to 200
(1 off)
3
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 - Strainer screen, stainless steel having 0.8 mm
perforations for DN50 Spirax Sarco Fig 3616 strainer PN16.
4
B
How to order spares
A
Safety information
For full details see the Installation and Maintenance Instructions
(IM-S60-18) supplied with the product.
Pressure
Before attempting any maintenance of the strainer, consider what is
or may have been in the pipeline. Ensure that any pressure is
isolated and safely vented to atmospheric pressure before attempting
to maintain the strainer. This is easily achieved by fitting Spirax
Sarco depressurisation valves type DV (see separate literature for
details). Do not assume that the system is depressurised even
when a pressure gauge indicates zero.
Allow time for temperature to normalise after isolation to avoid the
danger of burns and consider whether protective clothing (including
safety glasses) is required.
Warning: The strainer cap gasket contains a thin stainless steel
support ring, which may cause physical injury if it is not handled and
disposed of carefully.
Temperature
Installation
4
3
Recommended tightening torques
Item
Nm
For full details see the Installation and Maintenance Instructions
(IM-S60-18) supplied with the product.
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. Remove all
protective caps prior to installation. Open isolation valves slowly
until normal operating conditions are achieved. Check for leaks and
correct operation.
Maintenance
For full details see the Installation and Maintenance Instructions
(IM-S60-18) supplied with the product.
Maintenance can be completed with the strainer in the pipeline,
once the safety procedures have been observed. It is recommended
that a new gasket is used whenever maintenance is undertaken.
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 3616 strainer, flanged
BS 4504 PN16 with austenitic stainless steel screen having 0.8 mm
perforations and flanged screen cap.
5
15 - 20
15 - 20
15 - 20
22 - 25
22-25
22 - 25
50 - 60
50 - 60
50 - 60
100 - 110
Size
DN15 and 20
DN25
DN32 and 40
DN50
DN65
DN80
DN100
DN125
DN150
DN200
Qty
4
4
4
4
4
6
6
8
8
8
or
mm
13A/F
13A/F
13A/F
17A/F
17A/F
17A/F
19A/F
19A/F
19A/F
24A/F
M8 x 20
M8 x 20
M8 x 20
M10x25
M10x30
M10x30
M12x35
M12x40
M12x40
M16x50
Fig 3616 Austenitic Stainless Steel Strainer - DIN Material
TI-P160-05 ST Issue 8
7.7.50
