Lowara LEZ 200-250 UNL 2204 [10/16] Design features lr lmr

Design features LR, LMR:

m Single stage volute casing pump in Inline design with direct mounted standard IEC Norm Motor.

m Meeting the requirements according to ISO 9908

m High efﬁciency enclosed impeller. Sizes 40-125 up to 80-160 standard made of stainless steel 1.4404, stamped

and laser welded. Sizes 80-200 up to 150-250 standard cast iron, optional bronze.

m Casing in solid design. Suction and discharge Inline. Flanges DN 40 up to DN 150 standard PN 16.

m Seal chamber dimensioned according to EN 3096

m Large open conical seal chamber, selfventing with internal circulation for proper lubrication and cooling of the

seal. Ribs in the seal chamber prevent the accumulation of air or gas in the area of the seal faces and reduce

wear caused by solids in the ﬂuid.

m Shaft sealing by means of single, unbalanced mechanical seal according to EN 12756, design U, version k

(former DIN 24 960, l1k).

m Standard mechanical seal materials: Carbon – Silicon Carbide (SiC) – EPDM (BQ1EGG), optional elastomers in

FPM (Viton®) (BQ1VGG). As option also available in SiC – SiC – FPM (Viton®) (Q1Q1VGG).

m Solid motor adapter made of cast iron for direct connection to standard IEC Norm Motors, design B5/V1.

m Pump shaft designed as stub shaft and completely made of stainless steel for long lifetime, directly connected

to the motor shaft.

Design LR

Design LMR