Zhejiang Weilan Technology Co., Ltd.

Metering Pumps, Dosing Systems & Water Quality Instruments

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LEWA ecosmart Diaphragm Metering PumpMechanical Diaphragm Pumps

LEWA ecosmart Diaphragm Metering Pump

Max Flow
to 2,000 L/h / head
Max Press
LCA to 80 bar; LCC/LCD to 50 bar (316L)
Contact Mat
1.4404 (316L) / PVC
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Ailipu J12.5 Plunger Metering PumpPlunger Metering Pumps

Ailipu J12.5 Plunger Metering Pump

Max Flow
28 – 3800 L/h
Max Press
0.5 – 50 MPa
Power
Ex-proof / VFD optional; approx. 2.2–5.5 kW
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Neptune PZ/PW/PZi Electronic Metering PumpSolenoid Diaphragm Pumps

Neptune PZ/PW/PZi Electronic Metering Pump

Max Flow
1.67 – 78 L/h (0.44 – 20.6 gph, incl. PZiG)
Max Press
to 20 bar / 290 psi (PZ-31-HP); standard to 13.8 bar / 200 psi
Contact Mat
PVC / PVDF / Acrylic / 316SS; diaphragm PTFE
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LEWA ecodos Mechanical Diaphragm Metering PumpMechanical Diaphragm Pumps

LEWA ecodos Mechanical Diaphragm Metering Pump

Max Flow
approx. 16–1460 L/h (50 Hz)
Max Press
max. approx. 20 bar (stainless steel); plastic approx. 5–12 bar depends on
Contact Mat
4 monitoring PTFE diaphragm
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Neptune 500 Series Hydraulic Diaphragm Metering PumpHydraulic Metering Pumps

Neptune 500 Series Hydraulic Diaphragm Metering Pump

Max Flow
approx. 3 – 355 L/h (0.8 – 94 gph, incl. 560)
Max Press
to 210 bar / 3,000 psi (500-S high pressure motor configuration)
Contact Mat
316SS / C-20 / PVC / PVDF (E series); diaphragm PTFE
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