Bronze Vacuum Breaker Valve (A197)
Scope of application:
Vacuum relief valves are widely used in various systems prone to vacuum formation, promptly admitting air when the system develops negative pressure to protect the system.
Working medium:
Water or an aqueous solution of ethylene glycol (with an ethylene glycol concentration not exceeding 50%)
Valve parameters:
Working pressure: 16 bar
Sealing pressure: 0.1 bar.
Operating temperature: FKM seal: -20°C to 180°C; EPDM seal: -40°C to 110°C.
Category:
Vacuum break valve
Keyword： Bronze Vacuum Breaker Valve (A197)
Material:
| Name | A197 |
| Valve body | Bronze |
| Valve disc | FKM/EPDM |
| Valve seat | CW617N |
| Guide post | CW617N |
| O-ring | FKM/EPDM |
| Valve cover | CW617N |
Size:
| Caliber | H | L | d |
| 1/2" | 70 | 43 | 14 |
| 3/4" | 71 | 43 | 14 |
| 1" | 78 | 53.5 | 18 |
| 11/4" | 94 | 69 | 30 |
| 11/4" | 94 | 69 | 30 |
| 2" | 112 | 89 | 38 |
Unit: mm
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Room 101 and Room 301, Building A, No. 11, Second Industrial Zone, Shapuwei Community, Songgang Subdistrict, Bao’an District, Shenzhen City
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