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EWN-B11-H | Walchem Metering Pumps - 0.4 GPH - 250 PSI

EWN-B11-H | Walchem Metering Pumps - 0.4 GPH - 250 PSI

Walchem Pumps | Metering Pump

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Walchem's EWN-B11-H solenoid driven metering pump is rated to 0.4 GPH and 250 PSI with configurable liquid end options

Identity Code

Output Capacity

Output Capacity
B09 | 0.2 GPH (12 mL/min) - 150 psi (1.0 bar) - 8mm
B11 | 0.6 GPH (38 mL/min) - 150 psi (1.0 bar) - 10mm
B16 | 1.0 GPH (65 mL/min) - 105 psi (0.7 bar) - 15mm
B21 | 1.6 GPH (100 mL/min) - 60 psi (0.4 bar) - 20mm
B31 | 3.2 GPH (200 mL/min) - 30 psi (0.2 bar) - 30mm
C16 | 1.3 GPH (80 mL/min) - 150 psi (1.0 mPa) - 15mm
C21 | 2.1 GPH (130 mL/min); 105 psi (0.7 mPa) - 20mm
C31 | 4.3 GPH (270 mL/min); 50 psi (0.35 mPa) - 30mm
C36 | 6.7 GPH (420 mL/min); 30 psi (0.2 mPa) - 35mm

Liquid End Materials

Liquid End Materials
VC | PVC Head - FKM Seat - FKM O-ring
VE | PVC Head - EPDM Seat - EPDM O-ring
VF | PVC Head - EPDM Seat - EPDM O-ring - PTFE Balls
PC | GFRPP Head - FKM Seat - FKM O-ring
PE | GFRPP Head - EPDM Seat - EPDM O-ring
PA | GFRPP Head - PCTFE Seat - Aflas O-ring
FC | PVDF Head - PCTFE Seat - PTFE O-ring
TC | PVDF Head - FKM Seat - FKM O-ring
TA | PVDF Head - PCTFE Seat - Aflas O-ring
SH | 316SS Head - 316SS Seat - PTFE O-ring - HC Balls
P6 | High Viscosity - GFRPP Head - EPDM Seals - PCTFE Seat - SS Spring - SS Balls

Options

Options
C | High Compression + ADV
H | High Pressure (250 PSI)
H2 | High Pressure (290 PSI)
A | Auto Degassing Valve (ADV)
M | Multifunction Valve (MFV)
N | No Manual Air Vent Valve (MAVV) - SH only
V | High Viscosity (C31 Only)

Sensors

Sensors
_ | No EFS Flow Sensor
1 | EFS-xx-FT Flow Sensor - FKM O-ring - Titanium Electrode - PVDF Body
2 | EFS-xx-FH Flow Sensor - EPDM O-ring - Hast C22 Electrode - PVDF Body
3 | EFS-xx-FF Flow Sensor - FKM O-ring - Hast C22 Electrode - PVDF Body
S | HV with 316 SS Balls (PC)
T | HV with 0.5" NPT suction/discharge fittings

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