Search for valves for the working media «Oleum (fuming sulfuric acid)»

For the selected media "Oleum (steaming sulfuric acid)" it's recommended to use the following disk materials: stainless steel CF8, and the following seats materials: stainless steel CF8, 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
Fuming	-	C	A	C	C

Seat material
Concentration	EPDM	NBR	CR	Natural rubber	SILICONE	FKM (Viton)	FFKM	PTFE
Fuming	C	C	C	C	C	B*	A	A

where: A - excellent, B - good, C - not recommended, * - inaccurate data

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