ESS RANGE
Magnetically Driven Single-stage Centrifugal
FEATURES
Single stage pumps for recirculating aggressive liquids. n n n n No seals Thermally broken Efficient and quiet Available with brushed and brushless DC motors. n n n n Max. PP temperature 85°C Max. Ryton temperature 100°C Max. PP system operating pressure 3 bar Max. Ryton system operating pressure 6 bar
ESS-7R-MD
Corrosive Liquids
CAUTION!
VERY HOT WATER
+100 °C
MATERIALS OF CONSTRUCTION
Model Pump Housing Impeller Impeller Magnet Spindle O-Ring ESS-P Polypropylene Polypropylene Polypropylene Ceramic Viton ESS-R Ryton Ryton Polypropylene Ceramic Viton Options Stront Ferrite 316 SS EPDM, Nitrile FEP
ESS-9R-MD
ESS-7P-MD
PERFORMANCE
2900 rpm, SG 1.0
DIMENSIONS
Not to scale. Specifications are subject to change.
Inlet: Outlet: 1" BSP.F ½" BSP.M 21mm hose tail
12 11 10 9
B 40.3 C 83.0
D
Head metres
8 7 6 5 4 3 2 1
A 120
ESS-9
ESS-6
Model
A mm
B mm
C mm
D mm
Freq Hz
Power kW
ESS-4 ESS-4
ESS-4
ESS-7 ESS-7
15 20 25 30 35 40 45 50 55 60 65
0
0
5
10
litres/min
ESS-9 ESS-9
126.0 126.0 148.0 148.0 148.0 148.0
89.0 89.0 89.0 89.0 89.0 89.0
41.8 41.8 41.8 41.8 41.8 41.8
123.2 134.2 140.5 140.5 138.0 138.0
50 60 50 60 50 60
0.03 0.04 0.07 0.09 0.12 0.18
Individual model data sheets are available for further information.
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