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Parallel Slide Blowdown Valve Class 250 |
Fig. 733LG |
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| COMPONENT |
MATERIAL |
| BODY |
BRONZE - CC491K (LG2) |
| BONNET |
BRONZE - CC491K (LG2) |
| SEATS |
NICKEL ALLOY |
| DISCS |
NICKEL ALLOY |
| STEM |
BRONZE |
| PINION |
MANG BR |
| LOCKING GLAND |
BRONZE |
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Technical Description of Standard Valves |
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SIZE |
A |
D |
WEIGHT |
mm |
ins |
mm |
ins |
mm |
ins |
kg |
15 |
1/2 |
105 |
4 1/8 |
127 |
5 |
4 |
20 |
3/4 |
114 |
4 1/2 |
127 |
5 |
5 |
25 |
1 |
127 |
5 |
146 |
5 3/4 |
7 |
32 |
1 1/4 |
146 |
5 3/4 |
181 |
7 1/8 |
10 |
40 |
1 1/2 |
165 |
6 1/2 |
238 |
9 3/8 |
13 |
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Pressure Temperature Ratings |
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TEMP. °C |
WORKING |
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PRESSURE BAR |
—10 |
120 |
40.0 |
| - |
150 |
38.5 |
| - |
170 |
35.5 |
| - |
180 |
34.0 |
| - |
186 |
32.8 |
| - |
198 |
30.4 |
| - |
200 |
30.0 |
| - |
220 |
25.5 |
| - |
250 |
19.5 |
| - |
260 |
17.5 |
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Cast bronze body and bonnet.
Valve operated through a half turn of a removable
box key (For 25mm/1" sizes specify Fig. 733K25. For all other sizes specify Fig 497A40).
Flanged to ANSI. BS. or European standards. |
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