 
                           | Item: | Brass Swing Check Valve | Size: | 1/2" - 4" | 
|---|---|---|---|
| Brass Material: | HPb 57-3 | Connection Type: | Female X Female | 
| Flap: | Brass | Screw: | Brass | 
| Working Pressure: | 16 Bar(232 Psi) | Thread: | ISO228 (equivalent To DIN 259 And BS2779) | 
| Working Temperature: | From -10 ℃ To +120 ℃ (from 14℉ To 248℉) | ||
| High Light: | HPb 57-3 Brass Swing Check Valves,DIN 259 Brass Swing Check Valves,HPb 57-3 4 inch swing check valve | ||
1/2 " To 4 " 16 Bar Brass Swing Check Valve
Working Pressure   16bar (232 psi)                                                 
Working Temperature  from -10 ℃ to +120 ℃ (from 14℉ to 248℉)  
Thread ISO228 (equivalent to DIN 259 and BS2779)                                                                          
Brass Valve Body: High-density forging, no blister, no air holes, no leakage. Made by special high precision CNC machines.
Brass Bonnet: High-density forging, no blister, no air holes, no leakage. Made by special high precision CNC machines.
Brass Flap: With hard sealing structure, is not easy to abrade after long-term use, with excellent sealing performance, and can be used in various environments.

| Dimension mm | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | 2-1/2" | 3" | 4" | 
| A | 47.5 | 56 | 63 | 71 | 80.5 | 93 | 105 | 123 | 162 | 
| C | 34.5 | 39 | 46.5 | 51 | 59.5 | 67 | 77 | 81 | 101 | 
| DN | 14 | 18 | 22 | 28 | 33.5 | 43 | 48.5 | 64 | 83 | 
 
Materials of Parts
 
| No. | Part | Materials | 
| 1 | Body | Brass | 
| 2 | Bonnet | Brass | 
| 3 | Flap | Brass | 
| 4 | Screw | Brass | 
