$22
ASSE (Plumbing) 1012-2009
2009
Performance Requirements for Backflow Preventer with Intermediate Atmospheric Vent
- Format:
- Language(s) :
- Published :
- English
- 2009
The devices covered by this standard are those which have functional capabilities for preventing both back siphonage and back pressure, and which can operate under continuous or intermittent pressure conditions. These devices have two (2) independently operating check valves separated by an intermediate chamber with a means for automatically venting it to the atmosphere and can be installed in the horizontal, vertical up or vertical down orientations. The check valves are force loaded to a normally closed position and the venting means is force loaded to a normally open position.
| ASSE (Plumbing) 1012-2009 | |
|---|---|
| STANDARD INFO: | |
| Standard Name | ASSE (Plumbing) 1012-2009 |
| Scope | Performance Requirements for Backflow Preventer with Intermediate Atmospheric Vent |
| Publisher | Engineering - American Society of Sanitary Engineering |
| Languages | English |
| State | |
| Publication Year | 2009 |
| Most recent Version | ASSE (Plumbing) 1012-2021 |
| Whether to be replaced | View the most recent version. |
| Addendum | |
| FILE INFO: | |
| ANSI | ANSI Approved |
| File Size | 1 file , 300 KB |
| Note | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages | 24 |
| Published | 2009 |
| ASSE (Plumbing) 1012-2009 | ||
|---|---|---|
| History | Publisher Year | |
| ASSE (Plumbing) 1012-2021 | 2021 | |
| ASSE (Plumbing) 1012-2009 | 2009 | Current |
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