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Materials
| Nº | Part | AISI-316L A4 | SuperDuplex AS | | 1 |
Body | AISI-316L (1.4404) | Superduplex (1.4410/ 1.4501) | | 2 |
Stem | AISI-316L (1.4404) | Superduplex (1.4410/ 1.4501) | | 3 |
Spring | Superduplex (1.4410/ 1.4501) | Superduplex (1.4410/ 1.4501) | | 4 |
Bonnet | AISI-316L (1.4404) | Superduplex (1.4410/ 1.4501) | | 5 |
Seat | EPDM | EPDM | | 6 |
O-ring | EPDM | EPDM | | 7 |
End connection | AISI-316L (1.4404) | Superduplex (1.4410/ 1.4501) | | 8 |
Flange | AISI-316L (1.4404) | AISI-316L (1.4404) | | 9 |
Screw | AISI-316L (1.4404) | AISI-316L (1.4404) | | 10 |
Grower Washer | AISI-316L (1.4404) | AISI-316L (1.4404) | | 11 |
Nut | AISI-316L (1.4404) | AISI-316L (1.4404) |
Special alloys
For valves in other alloys, please address your inquiry to our Technical Department. |
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-70 3"BW PN160 in Superduplex:
8314 I AS .The reference required to place the order is 8314IAS .
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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 5) and O-ring (position 6) can be offered optionally in Nitrile (NBR) B |
