The casing is made of grey cast iron and designed in
two parts. It consists of a rotor suction casing and a
pressure casing, and it has vertical parting joints.
The connecting flanges which connect the suction side
to the discharge side are arranged horizontally.
The casing parts and the covers and flanges located in
the casing are sealed with O-rings.
Screw-plugs are provided for oil drainage.
Covering flanges with guide surfaces for the Vi-slide
are attached to the front wall of the working area on
the suction side.
The axial outlet opening is integrated in the front wall
of the working area on the discharge side.