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> Valve > Butterfly valve for drinking water |
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Butterfly valve :
- The butterfly valve is used for water supply and drainage
system. This valve meets the specifications of KS B2333
(AWWA C504 and JIS B2604).
- Various controller types are used such as manual,
electromotive, and open and close type (2phase type),
and cylinder type.
- It is designed to operate it easily under excessive conditions.
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Hydraulic
Test |
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| Test
items |
kinds |
used
pressure \ specifications |
200-350 |
400-2000 |
| Body
inner pressure test
|
1 |
4.5§¸f/§² |
14 |
10.5 |
| 2 |
7.5§¸f/§² |
17.5 |
14 |
| 3 |
10§¸f/§² |
23 |
21 |
| sheet leakage test |
1 |
4.5§¸f/§² |
4.5§¸f/§² |
4.5§¸f/§² |
| 2 |
7.5§¸f/§² |
7.5§¸f/§² |
7.5§¸f/§² |
| 3 |
10§¸f/§² |
10§¸f/§² |
10§¸f/§² |
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