Combined ball valve for liquid media
Material specification
Body: carbon steel (steel 20), alloy steel (09G2S) or stainless steel (AISI 321H)
Stem: stainless steel (AISI 420)
Ball: stainless steel
DN 15-32: AISI 420; DN 40-65: AISI 304; DN 80-250: AISI 409
Stem sealing: FVMQ
Stem sealing/washer: PTFE+C
Ball seal: PTFE+C with additional FVMQ sealing
Operation
DN 15 - 250: lever - painted carbon steel with polymer end
DN 125 - 250: manual gearbox with worm gear recommended
Flange
Connection dimensions acc. to GOST 12815-80 / EN (DIN) on request