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Tecval VW-20 3-Pieces Check Valve is a Forged design. Due to its 3-Pieces design allows easy and safe assembly. Unique in the market with Superduplex spring. The forged 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 BSP (DIN ISO 228-1) Threaded NPT (ANSI B1.20.1) Socket Weld SW (ANSI B16.11) Buttweld BW Sch. 40S (ANSI B16.25) Grooved ends
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| Dimensions | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | |||||||||||
| A | 75 | 75 | 90 | 97 | 102 | 125 | |||||||||||
| B | 72 | 72 | 82 | 102 | 102 | 117 | |||||||||||
| C | 15 | 15 | 20 | 30 | 30 | 38 | |||||||||||
| Materials | AISI-316L (1.4404) SuperDuplex (1.4410/1.4501) | ||||||||||||||||
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