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For High Purity Applications with Air/Gas

MR UltraPure Liquid-Ring Pump

Application
MRUP1The MR UltraPure is a liquid ring pump specially designed for pumping liquids containing air/gas. It is ideally suited to CIP return applications whereby complete tank emptying is necessary to avoid any product contamination.
 
Standard design
In standard specification the MR UltraPure pump has metallic product wetted parts manufactured from AISI 316L/329 stainless steel with elastomers from USP Class VI EPDM. The internal surface finish is 0.8 Ra and material traceability is supplied as standard for all product wetted parts.
Alternative elastomer materials, surface finishes are available as options.
 
Shaft seal
The mechanical single seals have stationary and rotating seal rings of silicon carbide. Stationary seal rings in stainless steel AISI 329 and rotating seal rings of carbon is optional.
Materials
Productwetted steel parts: . . . . . . . . .Acid-resistant steel 1.4404 (316L) with material traceability 3.1 acc. To EN 10204
Other steel parts: . . . . . . . . . . . . . . .Stainless steel 1.4301 (304).
 
Technical data
Surface finish: . . . . . . . . . . . . . . . . .Ra 0.8 (option Ra. 0.5)
Productwetted steel parts: . . . . . . . . .Stainless steel AISI 316L and AISI 329L. (1.4404)
Other stainless steel parts: . . . . . . . . .Stainless steel AISI 304.
Adaptor . . . . . . . . . . . . . . . . . . . . .Mild steel grade.
Productwetted seals: . . . . . . . . . . . .EPDM- USP Class 6.
Max. inlet pressure: . . . . . . . . . . . . .4 bar.
Temperature range . . . . . . . . . . . . . .-10 C to 140 C (EPDM).
 
Motor
Standard foot-flanged motor acc. to IEC metric standard 4 pol = 1500/1800 rpm. at 50/60 Hz. IP55 (with drain holes with labyrinth plug), insulation class F.
 
Voltage and frequency (MR-166 UP)
3~, 50 Hz, 220-240V /380-420VY
3~, 60 Hz, 250-280V /440-480VY
Voltage and frequency (MR-185 UP, -200 UP)
3~, 50 Hz, 380-420V /660-690VY
3~, 60 Hz, 440-480V 
Motor sizes
MRUP2
Volumetric flow MR-166 UP, -185 UP, -200 UP
MRUP3
Dimensions (mm) 900141/0
MRUP4
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