Wafer Type Check Valves Wafer Type Check Valve
Wafer Type Check Valve is a compact non-return valve designed to prevent backflow in pipelines and ensure smooth one-way fluid movement. Its lightweight wafer design allows easy installation between flanges while minimizing pressure loss. These valves are widely used in water treatment plants, chemical processing industries, oil & gas facilities, HVAC systems, and industrial piping networks.
DESIGN DETAILS
| DESCRIPTION | VALUE |
|---|---|
| DESIGN & MFG. CODE | API 6D / ANSI B 16.34 |
| INSPECTION & TESTING | API 598 |
| PRESSURE CLASS | PN ND 10, ND 16 & ND 40, ASA 150, 300 |
MATERIALS TABLE
| NO. | DESCRIPTION | MATERIALS | QTY. |
|---|---|---|---|
| 01 | BODY | C.I.-IS 210 Gr. FG 200C.S.-ASTM A 216 Gr. WCBS.S.-ASTM A 351 CF8 / CFBM | 1 |
| 02 | DISC | C.I.-IS 210 Gr. FG 200C.S.-ASTM A 216 Gr. WCBS.S.-ASTM A 351 CF8 / CFBM | 1 |
| 03 | "O" RING | NITRILE, EPDM, VITON, SILICON, PTFE | 2 + 1 |
| 04 | HIGH PIN | AISI 304, 316 | 1 |
PRIMARY SERVICE RATING & TEST PRESSURE
| CLASS | WORKING PRESSURE | HYD. TEST PRESSURE (BODY) | HYD. TEST PRESSURE (SEAT) |
|---|---|---|---|
| 150 | 20°C TO 180°C | 225 PSIG | 150 PSIG |
DIMENSION TABLE
| SIZE | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
|---|---|---|---|---|---|---|---|---|---|
| A | 30 | 40 | 52 | 71 | 93 | 114 | 157 | 195 | 230 |
| B | 14 | 14 | 14 | 14 | 16 | 19 | 28 | 28 | 38 |
| ØC | 109 | 129 | 144 | 164 | 194 | 220 | 275 | 330 | 380 |