Hydraulic diaphragm metering pump

α- Power series hydraulic diaphragm metering pump

It is a compact and high-precision hydraulic diaphragm metering pump designed and manufactured in accordance with the requirements of API675 standard. Suitable for various complex and demanding working conditions, with a compact structure and convenient maintenance. Mainly used in industries such as electricity, chemicals, petrochemicals, papermaking, textiles, green energy, and environmental protection, it can also be applied in industries such as biomedicine and food.

Typical dosing medium

Ammonia solution, hydrazine, scale inhibitors, water treatment agents, chemical process additives, petrochemical process additives, edible pigments and spices.

Product performance parameters

▶  Flow range: 1.6-326L/h

▶  Maximum discharge pressure: 160bar

▶  Adjustment ratio 10:1, steady-state accuracy ± 1%

▶  Maximum temperature allowed for materials: 90 ℃

▶  Maximum allowable material viscosity: 1200cP

Product technical characteristics

▶  Designed for continuous transportation of various special media

▶  Multiple pump head material options: 316SS, PVC, PVDF, special alloy

▶  Diaphragm seal tightly without leakage

▶  Multiple detection methods: on-site display of diaphragm rupture and remote signal transmission

▶  Built in pressure relief valve, automatic oil replenishment, ensuring stable output flow and meeting accuracy requirements

▶  Multiple one-way valve configurations: single ball valve, double ball valve, spring loaded ball valve

▶  Multiple connection methods: threaded connection, flange connection

▶  Hydraulic oil circuit control 0-100% continuously adjustable

▶  Measurement accuracy of 1%, adjustment ratio of 10:1

▶  Conical roller bearings are suitable for high load operating environments

▶  Oil bath lubrication ensures low wear and high reliability of drive components

▶  Efficient worm gear reduction mechanism works stably and has low noise

▶  Compact structure with small volume, suitable for installation in limited space

▶  The product design and manufacturing comply with the API675 standard

Flow regulation method

Manual adjustment: adjust the stroke length with the handwheel

▶  Flow regulation can be achieved regardless of whether the pump is running or stopped

▶  The minimum adjustment scale is 1%

Electric stroke controller: receives external control signals and adjusts stroke length

▶  Power supply: 220V-50Hz - single-phase

▶  Input signal: 4-20mA analog signal

▶  Output signal: 4-20mA/1-5V analog signal, for recording, display, and control system use

Variable frequency controller: receives external control signals and adjusts stroke length

▶  Power supply: 220V-50Hz single-phase/380V-50Hz three-phase

▶  Input signal: 4-20mA analog signal