Casings are made of galvanised sheet steel. Side parts and the spiral-shaped guide plate are connected with rivets. In the side panels, there are holes for the fixing of the feet, which can be implemented by 90°.
The impeller is made of galvanised sheet steel and is mounted directly to the rotor of the external rotor motor and balanced dynamically at two levels together with the rotor according to quality level G2.5 to DIN ISO 1940.
葉輪由鍍鋅鋼板制成，并直接安裝在外轉(zhuǎn)子電機(jī)的轉(zhuǎn)子上，實(shí)現(xiàn)動(dòng)平衡。根據(jù)DIN ISO 1940的質(zhì)量等級G2.5 DIN ISO 1940.
The drive motors are fitted with an outgoing cable. The electrical connection is made via an IP44 terminal box which is supplied loose.
