Image unavailable
Image unavailable
Walchem
Walchem EZ Series Metering Pumps
Quote on request
No online payment · add lines to RFQ BOM
Walchem EZ: electronic metering; to 6.3 GPH / 150 PSI; 360:1; 1–360 spm. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Type
Walchem/Iwaki EZ Series electronic metering pump with manual digital speed control
Max Output
Up to 6.3 GPH (24 L/h) depending on size (B11 0.6 GPH to C36 6.3 GPH)
Max Pressure
Up to 150 PSI (10 bar) on smaller sizes (e.g. B11/C16); lower on higher-flow sizes
Turndown Ratio
360:1 (speed adjustable 1-360 strokes per minute)
Control
Three pushbutton keys; control module D = manual speed adjustment 1-360 spm
Voltage
115 VAC 50/60 Hz; 230 VAC 50/60 Hz (230 V not available on EZB sizes)
Fits compact electronic metering where you need a Walchem EZ Series pump. Iwaki-based electronic metering family to about 6.3 GPH (24 L/h) and up to 150 PSI on smaller sizes, with 360:1 turndown via digital speed control adjustable 1–360 strokes per minute on 115/230 VAC.
Key advantages
- Output — Up to 6.3 GPH (24 L/h)
- Pressure — Up to 150 PSI on smaller sizes
- Turndown — 360:1 (1–360 spm)
- Control — Manual digital speed keys
- Voltage — 115/230 VAC 50/60 Hz
Typical applications
- Cooling tower feed.
- Boiler chemical dosing.
- OEM compact metering.
Selection guide
- Size code (B11–C36)
- VAC
- Wetted materials
Common mistakes
- 230 V on EZB sizes.
- Pressure vs flow tradeoff.
- Wrong tubing.
When to RFQ / what to tell us
- Size/VAC/materials.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 46813 |
| Brand | Walchem |
| Model | EZ Series Metering Pumps |
| Product type | Metering Pump |
| Type | Walchem/Iwaki EZ Series electronic metering pump with manual digital speed control |
| Max output | Up to 6.3 GPH (24 L/h) depending on size (B11 0.6 GPH to C36 6.3 GPH) |
| Max pressure | Up to 150 PSI (10 bar) on smaller sizes (e.g. B11/C16); lower on higher-flow sizes |
| Turndown ratio | 360:1 (speed adjustable 1-360 strokes per minute) |
| Control | Three pushbutton keys; control module D = manual speed adjustment 1-360 spm |
| Voltage | 115 VAC 50/60 Hz; 230 VAC 50/60 Hz (230 V not available on EZB sizes) |
Documents
FAQ
Q: Max output? A: About 6.3 GPH.
Q: Turndown? A: 360:1.
Q: What should I send for a quote? A: Size/VAC/materials, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Type | Walchem/Iwaki EZ Series electronic metering pump with manual digital speed control |
| Max Output | Up to 6.3 GPH (24 L/h) depending on size (B11 0.6 GPH to C36 6.3 GPH) |
| Max Pressure | Up to 150 PSI (10 bar) on smaller sizes (e.g. B11/C16); lower on higher-flow sizes |
| Turndown Ratio | 360:1 (speed adjustable 1-360 strokes per minute) |
| Control | Three pushbutton keys; control module D = manual speed adjustment 1-360 spm |
| Voltage | 115 VAC 50/60 Hz; 230 VAC 50/60 Hz (230 V not available on EZB sizes) |
| Power | About 20 W avg (EZB) / 22 W avg (EZC); Intertek UL/CSA listed |
| Liquid Ends | PVC, GFRPP, PVDF options with FKM/EPDM/AFLAS/PTFE seal packages (VC/VE/FC/etc.) |
| Included | Foot valve, injection valve, 20 ft PE tubing, ceramic weight; manual air vent (except FC) |
| Certifications | WQA tested/certified to NSF/ANSI/CAN 61 for listed chemicals/parameters |
| Shipping Weight | About 8 lb (3.6 kg) EZB / 10 lb (4.5 kg) EZC |
| Document | Walchem EZ Series brochure 180165 W Nov 2023 |