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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. The design of connections result a mechanical stronger and more durable product, especially 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) | ||||||||||||||||
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| Nominal Cracking Pressure |
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| Temperature Range | -20ºC/200ºC (-4ºF/392ºF) | ||||||||||||||||
| Connections | Threaded NPT (ANSI B1.20.1) Threaded BSP (DIN ISO 228-1) Socket Weld SW (ANSI B16.11) Buttweld BW Sch.40s (ANSI B16.25) VIC Grooved ends | ||||||||||||||||
| Dimensions | 2½” | 3" | 4" | 6" | |||||||||||||
| A | 75 | 75 | 90 | 97 | |||||||||||||
| Materials | AISI-316L (1.4404) SuperDuplex (1.4410/1.4501) | ||||||||||||||||
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