Long service life with little or no maintenance.*  Simple mounting.* Diameter range from 40mm to 800mm. (Larger diameter on     request)*  Easy automation, retrofit possible.*  Anil blow-out spindle.* 100% Bi-directional tight shut off through centric valve disc & shaft    position.* Symmetric valve disc and profile, therefore little pressure loss* Bearing supported shaft bottom for low torque requirement.* Also suitable for high vacuum conditions.* Mounting without any restriction as to the direction of flow.* Minimal turbulence thanks to the streamlined valve disc.