EK Series | Metering Pumps - Walchem - #4

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PUMP SERIES EK = IP67 aggressive environment rated electronic metering pump with external pulse control or manual speed control (adjustable to 360 strokes per minute) and manually adjustable stroke length. (Turndown ratio 1800:1) CAPACITY/PRESSURE RATING See chart on this page CONTROL MODULE R = For use on all EK models, features external pulse input control, & stop input. VOLTAGE 1 = 115VAC, 50/60 Hz 2 = 230VAC, 50/60 Hz LIQUID END See chart on this page OPTIONS A = Auto Air Vent Valve installed in place of manual air vent valve. Available for B11, B16, C16 and C21 sizes with -VC liquid ends only. M = Multifunction Valve is supplied in place of the manual air vent valve. Available for the 11, 16 and 21 size pumps with VC, VE, VF, PC, and PE liquid ends. Not available with the AAVV feature. All pumps include a manual air vent valve with the exception of FC liquid ends. All pumps include one foot valve, one injection valve, 20 feet of polyethylene tubing and one ceramic weight with the exception of SH liquid ends. 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 180248.E Oct 2008 ORDER INFORMATION Liquid End Pump Head & Fittings Diaphragm Valve Balls Valve Seat Valve Seals Gasket Tubing PC GFRPP PTFE (bonded to EPDM) CE FKM FKM PTFE PE PE GFRPP CE EPDM EPDM VC PVC CE FKM FKM VE PVC CE RPFM EPDM VF PVC PTFE EPDM EPDM TC PVDF CE FKM FKM FC PVDF CE PCTFE PTFE SH SS HC HC PTFE 1/4” NPTF Liquid End Materials 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 EK Capacity/ Pressure Control Voltage Module Liquid End Pump Options series B16 R 1 VC A Capacity/Pressure Rating Size Max Output Capacity Max output per stroke Max Pressure1 Connection Size Tubing O.D. GPH mL/min mL PSI MPa (in) B11 0.6 38 0.11 150 1.0 3/8 B16 1.0 65 0.18 105 0.7 3/8 B21 1.8 115 0.32 60 0.4 3/8 B31 3.3 210 0.58 30 0.2 1/2 C16 1.3 80 0.22 150 1.0 3/8 C21 2.3 145 0.40 105 0.7 3/8 C31 4.3 270 0.75 50 0.35 1/2 C362 6.7 420 1.17 30 0.2 1/2 1 Auto Air vent valve reduces maximum pressure approx. 35 PSI (0.2 MPa) 2 Output of the EKC36-TC/FC/SH is 6.3 GPH (400 ml/min)