Product Introduction

α-flow series high performance diaphragm metering pump is a high- accuracy ,hydraulic actuated diaphragm metering pump designed and manufactured according to the API 675 requirements. It is applied in various critical and complicated, process, its performance surpasses traditional metering pump, it is an ideal option for the various hazardous and harmful high-risk chemical dosing system. It mainly applied in chemistry, petrochemistry, oil&gas field, power supply, pulp paper, textile, energy, municipal water treatment and environmental protection industry , also be used in bio-pharmaceutical and food industry. 

Technical Specification

● Max. flow rate: 10,000 L/h

● Max. discharge pressure: 300 Bar

● Turndown Ratio: 10:1

● Stability accuracy: ±0.5％

● Max. viscosity: up to 10,000cP

Liquid End

● Various materials available for liquid end: 316SS, PVC, PVDF, special alloys, stainless-steel fluorine lining

● Various pump liquid end options: PTFE diaphragm liquid end, metal diaphragm liquid end, packed plunger liquid end

● Various structure options: single diaphragm liquid end, double diaphragm liquid end, sandwich diaphragm liquid end

● More detective options: diaphragm rupture with gauge pressure switch transmitter, etc.

● Internal refill valve, ensure the stability of output flow rate, meet the requirement of accuracy

● Internal pressure relief and venting valve, prevent the liquid end from overpressure, venting automatically

● Various check valve options: single-ball valve, double-ball valve, spring loaded valve, spring loaded disc valve

● Various connection options: threaded connection, flange connection, quick connector connection

● Several pumps could be in parallel connection, meet delivering different fluid at the same time

Drive End

● Variable eccentric mechanism adjust the stroke length, ensure the pulsation vary gently

● Conical roller-bearing suits high loads and critical operation condition

● Modular design makes the maintenance and repair of the drive mechanism convenient

● Robust worm/ gear reducing device works with low noise and ensure the steady work

● Oil bath lubrication ensure drive parts with low wear and high reliability

Flow Rate Adjustment Options: adjust flow rate is available either during running or stopping

● Manually adjust the stroke length: adjust the stroke length at full range

● Minimum adjustment scale:1%

● Electric capacity controller: adjust stroke length following external signal

Power source: 380V-50Hz-3ph

Input signal: 4-20mA

Output signal: 4-20mA

● Frequency inventer: adjust stroke speed following external signal

Power supply: 380V three phase power source

Input signal: 4-20mA

● Pneumatic capacity controller: receive external pressure signals to adjust the stroke length