For the selected media "Electrolyte (chrome)" it's recommended to use the following disk materials: stainless steel with molybdenum CF8M, and the following seats materials: stainless steel with molybdenum CF8M, EPDM, Viton, PTFE.
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.
| Disk material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Concentration | Ductile iron | Carbon steel | stainless steel CF8 | stainless steel CF8M | Aluminum-bronze | |||||
| - | - | - | - | A | - | |||||
| Seat material | ||||||||
|---|---|---|---|---|---|---|---|---|
| Concentration | EPDM | NBR | CR | Natural rubber | SILICONE | FKM (Viton) | FFKM | PTFE |
| - | A | C | C | - | - | A | - | A |
where:
A - excellent, B - good, C - not recommended, * - inaccurate data