EPDM
VKDOV: Pneumatically actuated DUAL BLOCK® ball valve with DIN 2501 - EN 1092 fixed flanges face to face according to EN558-1, Normally Open.
VKDOAV: Pneumatically actuated DUAL BLOCK® ball valve with ANSI B.16.5 cl.150 #FF. fixed flanges, Normally Open.
