NDM RANGE
Magnetically Driven Centrifugal to ISO 2858
FEATURES
High performance centrifugal process pumps to ISO 2858. n n n n Dynamically balanced impeller to give high efficiency and low NPSH requirements. Shaft supported by oil lubricated ball bearings. Samarium Cobalt magnets as standard. Shaft supported by oil lubricated ball bearings. n n n n Back pull out design so rotor can be removed without disturbing the motor or pipework. Direct replacements for Caster MCA pumps. Max. temperature 120 oC. Availalbe with NACE welding.
NDM 6x4x20
Corrosive Liquids
II 2GD T4
CAUTION!
VERY HOT WATER
+100 °C
MATERIALS OF CONSTRUCTION
Components Rear Casing Front Casing Impeller Magnet Impeller O-Ring Bearings Shaft Standard 316 SS CF8m SS 316 SS CF8m SS PTFEC SiC CF8m SS Options Incoloy, Hastelloy, Duplex SS Incoloy, Hastelloy, Duplex SS Incoloy, Hastelloy, Duplex SS Incoloy, Hastelloy, Duplex SS Carbon Incoloy, Hastelloy, Duplex SS
NDM 5x3x20
NDM 8x10x25
Lubrication system allows for dead heading
DETAILED DESIGN FEATURES
A wide range of drive magnets
n n n Replaceable wear rings. Hydraulically balanced impeller. Pull out pump head to ease maintenance. Screw on impeller to speed dismantling. Large oil lubricated bearings. SiC bearings. Heavy duty bearing bracket. Powerful Cobalt-Samarium drive magnets.
Rear Housing single piece design no welding
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Replaceable wear ring
n n n n
Rear cavity operates a near discharge pressure to reduce axial movements SiC bearings with grooves to pass particles
19/09/2012
March May Ltd, Howard Road, Eaton Socon, St Neots, PE19 8NZ, UK Tel: +44 (0) 1480 214444 Fax: +44 (0) 1480 405336 E-Mail: [email protected] Website: www.marchmay.co.uk