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| Vertical Non-Return Valve |
Fig. 895N |
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| COMPONENT |
MATERIAL |
| BODY |
BRONZE |
| COVER |
BRONZE |
| SEAT |
NICKEL ALLOY |
| VALVE HEAD |
MANG. BR./P.T.F.E. |
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Technical Description of Standard Valves |
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SIZE |
A |
WEIGHT |
mm |
ins |
mm |
ins |
kg |
15 |
1/2 |
— |
— |
— |
20 |
3/4 |
83 |
3 1/4 |
2.7 |
25 |
1 |
102 |
4 |
3.3 |
32 |
1 1/4 |
114 |
4 1/2 |
4.4 |
40 |
1 1/2 |
133 |
5 1/4 |
6.2 |
50 |
2 |
152 |
6 |
9.1 |
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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 |
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Cast Bronze Body and Cover, Nickel Alloy Seat
Flanged to ANSI. BS. or European Standards
VALVE SHOULD BE INSTALLED SO VALVE HEAD LIFTS VERTICALLY UPWARDS |
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