6831/NBR-PN16-DN125 - NBR-seatring
Econ
Butterfly valve, LUG-Type with threaded lugs
suitable for mounting on flanges to DIN PN 10/16
Body: A536-65-45-12 (EN-GJS-400-15) Polyester coated ca. 250 µm
Seatring: NBR (vulcanised on support ring, max. 80°C)
Disc: Stainless steel A351 CF8M (~1.4408)
Shaft: AISI 410 (1.4006 - 13%Cr)
Face to face: EN558-1 Series 20
Actuator: notched lever of cast iron