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The Tecval VW-70 3-Pieces Check Valve due to its 3-Pieces design allows easy and safe assembly. Unique in the market with Superduplex spring. Specially suitable for working in high corrosive environment. They are manufactured in several sizes, connections and alloys, always under ASME B16.34.
| Maximum Pressure | Standard working pressure: 100 bar (1500 PSI) High working pressure 160 bar (2300 PSI) | |||
|---|---|---|---|---|
| Temperature Range | -20ºC/200ºC (-4ºF/392ºF) | |||
| Connections | Threaded NPT (ANSI B1.20.1) Threaded BSP (DIN ISO 228-1) Buttweld BW Sch.40s (ANSI B16.25) Grooved ends | |||
| Dimensions | 2½” | 3" | 4" | 6" |
| A | 137 | 178 | 203 | 223 |
| C | 49 | 62 | 78 | 100 |
| B | 156 | 205 | 240 | 270 |
| A Grooved | 195 | 232 | 257 | 276 |
| Horizontal Oberture Pressure (mbar) | 37 | 28 | 25 | 9 |
| Materials | AISI-316L (1.4404) SuperDuplex (1.4410/1.4501) | |||
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