For the selected media "Adipinovaya kislota" it's recommended to use the following disk materials: stainless steel CF8, and the following seats materials: stainless steel CF8, EPDM, PTFE. Also in some cases it's allowed to use rather stable materials. As for disks they are: carbon steel WCB, stainless steel with molybdenum CF8M, and as for the seats: stainless steel with molybdenum CF8M, NBR.
Please pay attention to the fact, that the exact case of using valves in the conditions of exact working media is unique each time. Therefore to avoid the potential problems while using the butterfly valves we recommend to turn to the specialists of the PromArm Ltd. first by the phone +7 (8412) 35-07-97 or email info@promarm.ru to confirm all the parameters and get the qualified advise.
You can choose the butterfly valves of PromArm manufacturing from our catalog.
In the table below you can find the information about using of the exact material for the exact media "Adipinovaya kislota".
| Disk material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Concentration | Ductile iron | Carbon steel | stainless steel CF8 | stainless steel CF8M | Aluminum-bronze | |||||
| Насыщенная | C | B | A | B | - | |||||
| Seat material | ||||||||
|---|---|---|---|---|---|---|---|---|
| Concentration | EPDM | NBR | CR | Natural rubber | SILICONE | FKM (Viton) | FFKM | PTFE |
| Насыщенная | A | B | C | A | - | B* | A | A |
where:
A - excellent, B - good, C - not recommended, * - inaccurate data