EHE Series | Metering Pumps - Walchem - #4

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PUMP SERIES EH = Microprocessor control for all EHE models. Features manual speed control from 1 to 360 spm in 1 spm increments. External control from pulse signal with internal multiply and divide or from analog 4-20 mA signal. CAPACITY/PRESSURE RATING See chart on this page CONTROL MODULE E = For use on all EHE models, features external pulse capability. (pulse divide, pulse multiply, analog) VOLTAGE 1 = 115VAC, 50/60 Hz 2 = 230VAC, 50/60 Hz LIQUID END See chart on this page OPTIONS Blank = Standard 1/2” tube connection. No accessory valve. V = Standard 1/2” tube connection with back pressure/anti-syphon valve, except on FC models. T = 3/4” NPT (male) pipe thread connection (no MAVV) P = 3/4” NPT (male) connection with back pressure/ anti-syphon valve (no MAVV) Note: Tube to piping connection material of construction will be the same as the liquid end. All pumps also include a manual air vent valve with the exception of FC liquid ends and options P and T. All pumps include one foot valve, one injection valve, 20 feet of polyethylene tubing and one ceramic weight with the exception of options P and T. ABOUT US Walchem integrates its advanced sensing, instrumentation, fluid pumping and communications technologies to deliver reliable and innovative solutions to the global water treatment market. Our in-house engineering is driven by quality, technology and innovation. For more information on the entire Walchem product line, visit: www.walchem.com Walchem, An Iwaki America Incorporated Company Five Boynton Road Hopping Brook Park Holliston, MA 01746 USA Phone: 508-429-1110 Fax: 508-429-7433 www.walchem.com 180180.J Oct 2008 ORDER INFORMATION CE Alumina ceramic EPDM Ethylene propylene diene monomer FKM Fluoroelastomer GFRPP Glass fiber reinforced polypropylene PE Polyethylene PTFE Polytetrafluoroethylene PCTFE Polychlorotrifluoroethylene PVC Polyvinylchloride (translucent) PVDF Polyvinylidenefluoride HC Hastelloy C276 EH Capacity/ Pressure Control Voltage Module Liquid End Pump Options series E36 E 1 PC V Capacity/Pressure Rating Size Max Output Capacity Max output per stroke Max Pressure Power Index GPH mL/min mL PSI MPa GPH x PSI E31 5.5 340 0.94 150 1.0 825.0 E36 8.5 520 1.44 105 0.7 892.5 E46 12.0 750 2.08 60 0.4 720.0 E56 20.0 1250 3.47 30 0.2 600.0 Liquid End Pump Head & Fittings Diaphragm Valve Balls Valve Seat Valve Seals Gasket Tubing FC PVDF PTFE (bonded to EPDM) CE PCTFE PTFE PTFE PE PC GFRPP CE FKM FKM PE GFRPP CE EPDM EPDM VC PVC CE FKM FKM VE PVC CE EPDM EPDM VF PVC PTFE EPDM EPDM VM* M-PVC CE FKM FKM Liquid End Materials * Note: VM liquid end available on E56 only