https://www.nieruf.com/Butterfly-valve-DN40-PN16-AK02-made-of-GGG40-worm-gear-stainless-steel-disc-EPDM-industrydesign
Butterfly valve DN 40 PN10-PN16 AK02 Worm gear DVGW-water
Butterfly valve DN 40 PN10-PN16 Lug type GGG40 with Worm gear EPDM DVGW drinking water, WRAS, ACS, W270
butterfly valveworm geardn
https://www.nieruf.it/valvola-a-farfalla-DN-150-PN16-AK02-con-leva-GGG40-disco-in-acciaio-inossidabile-FPM
valvola a farfalla DN 150 PN10-PN16 AK02 leva a mano
valvola a farfalla DN 150 PN10-PN16 con orecchie filettate / lug corpo in ghisa sferoidale con leva a a mano con manicotto grigio manicotto in FPM per sostanze...
valvola a farfalladnlevamano