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Materials
| Nº | Part | AISI-316L A4 | SuperDuplex AS | | 1 |
Body | AISI-316L (1.4404) | Superduplex (1.4410/ 1.4501) | | 2 |
Bonnet | AISI-316L (1.4404) | Superduplex (1.4410/ 1.4501) | | 3 |
Stem | AISI-316L (1.4404) | Superduplex (1.4410/ 1.4501) | | 4 |
Seat | EPDM | EPDM | | 5 |
Spring | Superduplex (1.4410/ 1.4501) | Superduplex (1.4410/ 1.4501) | | 6 |
End connection | AISI-316 (1.4401) | Superduplex (1.4410/ 1.4501) | | 7 |
Screw | AISI-316L (1.4404) | AISI-316L (1.4404) | | 8 |
Grower Washer | AISI-316L (1.4404) | AISI-316L (1.4404) | | 9 |
Nut | AISI-316L (1.4404) | AISI-316L (1.4404) | | 10 |
O-ring | EPDM | EPDM |
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Ordering information
References are formed by three parts:
Valve Code Look for it in the order codes chart on the previous page.
Option/s If required, add the code/s from the options section on the previous page (in alphabetical order).
Material Look for the code on the materials chart.
Example: Check Valve VW-20 1"NPT Superduplex:
2722 AS The reference required to place the order is 2722AS .
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Tests
100% tested in accordance to API STANDARD 598, each valve is tested to check the leakage in the seats. Upon request, the corresponding materials and test certificates can be delivered with the valve.
Packaging
All TECVAL valves are supplied packed in individual polyethilene airtight bags. End screw connections are protected with polyethilene caps. Everything is 100% recyclable.
Elastomers & Seats Seat (position 4) and O-ring (position 10) can be made of different materials: Nitrile B , FPM VI or Neopren N , considering the working conditions. Likewise the seats can be made in other materials upon request. |
