Model 52 10-18 inch
Butterfly Valve Type Model 52 are specially designed Duplex Basket Strainers that remove damage causing particulate matter from the system flow, and never have to be shut down for cleaning – the line can run continuously. Flow is switched from one basket chamber to the other by a pair of synchronized, high-quality butterfly valves. When one strainer basket becomes full, flow is switched to the other. The first basket is removed, cleaned, and is ready for use again.
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Model 52 10-18 inch
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- Continuous flow – no shutdown for basket cleaning
- Compact butterfly valve design
- Quick opening covers
- Convoluted-design baskets
- Threaded drain
- Perforated or mesh stainless steel basket
- Vent
- Positive shutoff
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Selection chart
| Size | Material | End connection | Seals | Pressure rating |
| 10″ to 12″ | Iron | Flanged 125# | Buna-N | 200 psi (13.8 bar) |
| 10″ to 12″ | Bronze | Flanged 150# | Buna-N | 200 psi (13.8 bar) |
| 14″ to 18″ | Iron | Flanged 125# | Buna-N | 150 psi (10.3 bar) |
| 14″ to 18″ | Bronze | Flanged 150# | Buna-N | 150 psi (10.3 bar) |
Cv factors*
| Size | Value | Size | Value |
| 10″ | 1300 | 16″ | 3400 |
| 12″ | 2000 | 18″ | 4900 |
| 14″ | 2900 | – | – |
| * For water with clean, perforated basket | |||
Dimensions (in/mm)
| Pipe size | A | B | C | D | E | F | G | H | J | K | L | M |
| 10 | 45 1143 |
51 1295 |
26 660 |
52 1321 |
22-1/2 572 |
19 483 |
32 813 |
30-1/4 768 |
18 457 |
12-3/16 310 |
29 737 |
49 1245 |
| 12 | 62
1574 |
64
1626 |
32
813 |
66
1676 |
31
787 |
23
584 |
41
1041 |
36-5/8
924 |
16
406 |
16-3/4
425 |
38
965 |
66
1676 |
| 14 | 72
1829 |
76
1930 |
38
965 |
79
2007 |
35 -1/2
902 |
27
686 |
48
1219 |
44-3/4
1137 |
24
610 |
18-3/4
476 |
44-1/2
1130 |
77
196 |
| 16 | 72
1829 |
76
1930 |
38
965 |
79
2007 |
35 -1/2
902 |
27
686 |
48
1219 |
44-3/4
1137 |
24
610 |
18-3/4
476 |
44-1/2
1130 |
77
196 |
| 18 | 72
1829 |
76
1930 |
38
965 |
79
2007 |
35 -1/2
902 |
27
686 |
48
1219 |
44-3/4
1137 |
24
610 |
18-3/4
476 |
44-1/2
1130 |
77
196 |
Dimensions (in/mm)
| Wt (lb / kg) | |||||||
| Pipe size | N | P | Q | R | S | Iron | Bronze |
| 10 | 1-1/2 | 1/2 | 1
32 |
1
32 |
1/4 | 1600
727 |
2003
910 |
| 12 | 1-1/2 | 1/2 | 1
32 |
1
32 |
1/4 | 2650
1205 |
3318
1508 |
| 14 | 1-1/2 | 1/2 | 1
32 |
1
32 |
1/4 | 4300
1955 |
5384
2447 |
| 16 | 1-1/2 | 1/2 | 1
32 |
1
32 |
1/4 | 4400
2000 |
5509
2504 |
| 18 | 1-1/2 | 1/2 | 1
32 |
1
32 |
1/4 | 4600
2087 |
|
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