Walchem

Walchem Chemical Metering Pump Model: EWB16F1-VC, 1.0 GPH, 105 PSI, 115V

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SKU: EWB16F1-VC
Weight: 12.00 LBS
Shipping: Free Shipping
$260.00
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EWB16F1-VC DISCONTINUED
SEE REPLACEMENT PUMP MODEL EWN-B16VCUR 

The EW Series is the flagship of the E-Class with capacities up to 6.7 GPH (25.4 l/h) and a maximum pressure of 250 PSI (17 bar). Compact, powerful and packed with a variety of innovative design features the EW can enhance any feed application. 

IP65 Construction
The rugged Polyphenylene Oxide (PPO) enclosure is equipped with a durable clear cover to protect the membrane switches and stroke control of the pump, which are mounted opposite the liquid end. The display utilizes a high temperature LCD that provides extra protection from sunlight in outdoor applications. 

Control Features

  • Feed Accuracy - Powered by the E-Class 360 Stroke-Per-Minute technology the EW has an incredible adjustment range of 1800:1 ensuring precise feed control for any application. 

  •  Analog Input Control - Fixed or scalable 4-20MA input control.

  •  Pulse Input Control - Pulse input with multiply and divide features (1-9999). 12VDC output power supply for Hall Effect water meters.

  • Stop Input Control - A stop input contact will stop pump operation and close the stop output relay contact for external control, alarm or remote notification. A red LED locally indicates a stopped condition.

  • Pre-Stop Input - A pre-stop input contact will illuminate an orange LED, locally providing warning while pump continues to operate.

  •  Feed Verification - The EW is equipped with 3-preprogrammed modes for accepting our Posiflow Feed Verification Sensor. The Posiflow provides a pulse feedback to the pump to verify prime and proper feed. Depending on the mode, the user can program to pump to stop, continue operating and/or send an alarm based on the Posiflow input. 

  • Outputs - A stop condition and synchronous pulse outputs are standard outputs, however the output relays can be programmed to signal any pump condition.

  • Easy Draw-Down Calibration - In the calibration mode the user only needs to start and stop the pump, enter the draw-down volume and the pump calibrates volume-per-stroke.

 

Pump Series

EW - Electronic metering pump with external pulse control or manual speedcontrol (adjustable to 360 strokes per minute) and manually adjustablestroke length. (Turndown ratio 1800:1.)

Capacity/Pressure Rating

B11 = (0.6 GPH / 38mL/min, 150 PSI, 3/8" O.D)

B11-H= (0.3 GPH / 21mL/min, 250 PSI, 3/8"suc x 1/4"dis)

B16= (1.0 GPH / 65mL/min, 105 PSI, 3/8" O.D)

B21= (1.8 GPH / 115mL/min, 60 PSI, 3/8" O.D)

B31= (3.3 GPH / 210mL/min, 30 PSI, 1/2" O.D)

C16 = (1.3 GPH / 80mL/min, 150 PSI, 3/8" O.D)

C16-H = (0.6 GPH / 40mL/min, 250 PSI, 3/8"suc x 1/4"dis)

C21= (2.3 GPH / 145mL/min, 105 PSI, 3/8" O.D)

C31 = (4.3 GPH / 270mL/min, 50 PSI, 1/2" O.D)

Control Module


F - For use on all EW models, features digitally adjustable speed and external pulse

input control, stop & pre-stop inputs

Y - For use on all EW models, features analog input, digital input & divide, PosiFlowinput and alarm outputs.

Voltage

  1. 1  115 VAC, 50/60 Hz

  2. 2  230 VAC, 50/60 Hz

Liquid End

Liquid EndCode

Pump Head& Fittings

Diaphragm

ValveBalls

ValveSeat

ValveSeals

Gasket

Tubing

PC

GFRPP

PTFE(bonded toEPDM)

CE

FKM

FKM

 
 
 

PTFE

 
 
 

PE

PE

 

GFRPP

CE

EPDM

 

EPDM

VC

PVC

CE

FKM

FKM

VE

PVC

CE

EPDM

EPDM

VF

 

PVC

PTFE

EPDM

 

EPDM

TC

PVDF

CE

FKM

FKM

FC

PVDF

CE

PCTFE

PTFE

SH

 

SS

HC

HC

 

PTFE

1?4? NPTF

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.

M Multifunction Valve is supplied in place of the manual air vent valve. Available forthe 11, 16 and 21 size pumps with VC, VE, VF, PC, and PE liquid ends. Not availablewith the AAVV feature.

H High pressure pump configuration available with PC, PE liquid ends only. Highpressure pump max speed is 240 SPM.


All options are available please call for quote.

EWB16F1-VC (1.0 GPH, 105 PSI, 3/8" O.D) 115V

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