STM RANGE
Magnetically Driven Single-stage Regenerative Turbine
FEATURES
High specification regenerative turbine pumps for high heads and low flows made from machined metal parts. n n n n n n No seals High heads low flows Will pump up to 20% entrained gasses Easily Maintained Reliable and Long Lasting Polished internal surfaces available n n n n n n n
CAUTION!
VERY HOT WATER
Max. temperature 300°C Max. system operating pressure 350 bar Close and long coupled NACE welding available Direct equivalent for Caster MPA range BSP threaded PN 16, 25, 50 or ANSI 150 flanges
+100 °C
STM 2x7
Corrosive Liquids
II 2GD T4
MATERIALS OF CONSTRUCTION
Components Pump Housing Int. Magnet Impeller O-Rings Thrust Bearings Shaft Sleeve Bearings Bracket Standard 316 SS 316 SS/CoSm 316 SS Viton PTFEC 316 SS PTFEC Cast Iron Optional Duplex SS, Hastelloy, Incoloy Duplex SS, Hastelloy, Incoloy Duplex SS, Hastelloy, Incoloy EPDM, FEP Graphite Duplex SS, Hastelloy, Incoloy Graphite or SiC STM 2x7 Flanged
STM 2.5x8 ATEX
PERFORMANCE
2900 rpm, SG 1.0
100
90 80
70
60
Head metres
50
40
30
20 10
1.5x6 2x7 2.5x8 2.5x8.5
2.5x9
0
0 10 20 30 40 50 60 70 80 90 100 120 130 140 150 160
Individual model data sheets are available for further information.
litres/min
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