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| Globe Non-Return - Valve Class 250. 50mm-80mm |
Fig. 5232 |
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| COMPONENT |
MATERIAL |
| BODY |
CAST STEEL |
| COVER |
CAST STEEL |
| SEAT |
NICKEL ALLOY |
| VALVE HEAD |
NICKEL ALLOY |
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Technical Description of Standard Valves |
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A1 Dimensions Relate to BS.4505 PN Rated Flanges |
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SIZE |
A |
D |
WEIGHT |
mm |
ins |
mm |
ins |
mm |
ins |
kg |
50 |
2 |
254 |
10 |
143 |
5 5/8 |
23 |
65 |
2 1/2 |
290 |
11 3/4 |
162 |
6 3/8 |
30 |
80 |
3 |
310 |
12 1/4 |
181 |
7 1/8 |
43 |
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A2 Dimensions Relate to BS.10 Table Rated Flanges |
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SIZE |
A |
mm |
ins |
mm |
ins |
50 |
2 |
254 |
10 |
65 |
2 1/2 |
279 |
11 |
80 |
3 |
305 |
12 |
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N.B. Larger sizes available on request |
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Pressure Temperature Ratings |
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TEMP °C |
WORKING |
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PRESSURE BAR |
-18 |
232 |
34.5 |
| - |
260 |
32.1 |
| - |
288 |
29.7 |
| - |
316 |
27.2 |
| - |
343 |
24.5 |
| - |
371 |
22.1 |
| - |
399 |
19.7 |
| - |
427 |
17.2 |
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Cast Steel Body and Cover, Nickel Alloy Seat and Valve Head Bronze Liner.
Flanged to ANSI. BS. or European Standards.
Other Overall Lengths can be made to Customer's Requirements
VALVE SHOULD BE INSTALLED SO VALVE HEAD LIFTS VERTICALLY UPWARDS |
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