Zhejiang Weilan Technology Co., Ltd.

Metering Pumps (Dosing Pumps)

Solenoid, mechanical diaphragm, hydraulic diaphragm, plunger and digital metering pumps from multiple brands. Duty-based selection and quotes across China.

313 products6 / 14
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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Neptune 5005 Ultra-Low Flow Hydraulic Metering PumpHydraulic Metering Pumps

Neptune 5005 Ultra-Low Flow Hydraulic Metering Pump

Max Flow
approx. 1.9 L/h (0.50 gph / 12 GPD)@ 100 psi
Max Press
206.8 bar / 3,000 psi（1/2 HP）；103.4 bar / 1,500 psi（1/3 HP）
Contact Mat
316SS / C-20 / PVC; diaphragm PTFE
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LEWA FC Laboratory Micro-Metering PumpSmall Metering Pumps

LEWA FC Laboratory Micro-Metering Pump

Max Flow
approx. 1.5–65 L/h
Max Press
K110/K111：≤160 bar / ≤65 L/h；-70/+400 °C
Contact Mat
M213：≤400 bar / ≤1.5 L/h；-30/+120 °C
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