Surge Anticipation Valve
Surge Anticipation Valve
1. Main Valve
2. Needle Valve
3. P500
4. P20A
5. Ball Valve
6. Inlet Pressure Gauge (Optional)
7. Strainer
Function
1. P20A is used for sensing to open at low pressure before surge, for quick relief high pressure wave.
2. The pre-open function eliminates the surge during pump abrupt stopage.
3. The valve releases excessive system pressure.
| No. | Description | Material | Standard |
|---|---|---|---|
| 1 | Cap | Plastic | ABS |
| 2 | Adjusting Screw | Stainless Steel | AISI 304 |
| 3 | Jam Nut | Stainless Steel | A2 |
| 4 | Spring Table | Stainless Steel | AISI 304 |
| 5 | Bonnet | Stainless Steel | AISI 304 |
| 6 | Spring | Spring Steel | SiCrV |
| 7 | Nut | Stainless Steel | A2 |
| 8 | Spring Table | Spring Steel | Mn-steel+Ni Plated |
| 9 | Fixing Holder | Stainless Steel | AISI 304 |
| 10 | Screw | Stainless Steel | A2 |
| 11 | Diaphragm | Rubber | NBR+Nylon |
| 12 | Yoke | Stainless Steel | AISI 304 |
| 13 | Body | Stainless Steel | AISI 304 |
| 14 | Disc | Stainless Steel + Rubber | AISI 304 + EPDM |
| 15 | O-Ring | Rubber | NBR |
| 16 | Plug | Stainless Steel | AISI 304 |
| 17 | Internal Body | Stainless Steel | AISI 304 |
| 18 | O-Ring | Rubber | NBR |
| 19 | O-Ring | Rubber | NBR |