Description
Statement
Installed before relief valves, atmospheric valves, hydraulic control valves as well as other equipments,
strainers serve to filter out the impurities in the flow medium for protection of valves and equipments in the piping system. |
Features
| Feature |
Description |
| Material |
Ductile Iron EN-GJS-450-10 – Valve body and cover produced in ductile iron for high strength and corrosion resistance |
| Screen Mesh Options |
Different screen mesh specifications available as per service conditions |
| Stem & Components |
Stainless Steel Stem, Brass Thrust Collar and Bronze Wedge Nut – proven strength & abrasion resistance |
| Coating |
Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550 (interior & exterior) |
Material Specification
| Property |
Specification |
| Connection Ends |
Groove to ISO 6182 |
| Working Pressure |
PN10/PN16 |
| Temperature Range |
0℃ – 80℃ |
| Coating |
Fusion Bonded Epoxy Coating as per ANSI/AWWA C550 or painting upon request |
Parts Specification
| Part No. |
Part |
Standard Specification |
Options |
| 1 |
Valve Body |
EN-GJS-450-10 |
– |
| 2 |
Screen |
SS304 |
SS316 |
| 3 |
Rigid Coupling |
EN-GJS-450-10 |
– |
| 4 |
Cap |
EN-GJS-450-10 |
– |
Standard Screen
| DN (Inch) |
DN (mm) |
Sieve No. |
Hole Dia. (mm) |
Free Flow Area (%) |
| 2″ ~ 2.5″ |
50 ~ 65 |
25 |
4 |
48 |
| 3″ ~ 4″ |
80 ~ 100 |
19 |
5 |
59 |
| 5″ |
125 |
14 |
6 |
63 |
| 6″ ~ 12″ |
150 ~ 300 |
13 |
6.3 |
64 |
Note: For special material request other than standard specification, please indicate clearly on the inquiry or order list.

Dimensions
| DN (Inch) |
DN (mm) |
L (mm) |
OD (mm) |
d (mm) |
A (mm) |
B (mm) |
| 2″ |
50 |
247.5 |
60.3 |
57.15 |
15.88 |
7.92 |
| 2.5″ |
65 |
273 |
73 |
69.09 |
15.88 |
7.92 |
| 2.5″ |
65 |
273.0 |
76.1 |
72.26 |
15.88 |
7.92 |
| 3″ |
80 |
298.5 |
88.9 |
84.94 |
15.88 |
7.92 |
| 4″ |
100 |
362.0 |
114.3 |
110.08 |
15.88 |
9.52 |
| 5″ |
125 |
419.0 |
139.7 |
135.48 |
15.88 |
9.52 |
| 5″ |
125 |
419 |
141.3 |
137.03 |
15.88 |
9.52 |
| 6″ |
150 |
470.0 |
165.1 |
160.90 |
15.88 |
9.52 |
| 6″ |
150 |
470.0 |
168.3 |
163.96 |
15.88 |
9.52 |
| 8″ |
200 |
609.5 |
219.1 |
214.40 |
19.05 |
11.13 |
| 10″ |
250 |
686.0 |
273.0 |
268.28 |
19.05 |
12.70 |
| 12″ |
300 |
762.0 |
323.9 |
318.29 |
19.05 |
12.70 |
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