Diaphragm Dosing Pumps

Diaphragm Dosing Pumps

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Features

  • Glandless design and entirely leak-proof operation

  • Flow rate is linear to stroke length variation

  • Metering accuracy almost independent of back pressure

  • Sandwiched diaphragms are always balanced between the pressure exerted by the hydraulic oil and the liquid to be dosed, ensuring long diaphragm life

  • Automatic air bleeding from the hydraulic oil ensures better metering accuracy

  • Arrangement of in-built pressure relief valve protects the pump when pressure exceeds the rated limit

  • Optional RIA – Rupture Indication Arrangement, also called Diaphragm Rupture Detection System (DRDS)

Material of Construction Offered

  • SS304 / SS304L

  • SS316 / SS316L

  • Carbon Steel

  • Any other special alloy

  • PP / PVC / PTFE / PVDF

  • Alloy 20

  • Hastelloy B / C

  • Diaphragm MOC: PTFE / Metallic

Options

  • Multiple heads with identical or different outputs, for each head using a single drive

  • Jacketed head for heating or cooling the liquid being pumped

  • Automatic flow variation by receiving a 4–20 mA signal from the process

List of Accessories

  • Strainer

  • Pressure Relief Valve

  • Calibration Pot

  • Pulsation Dampener

  • Auto Stroke Actuator

  • Local Control Panel

  • Level Gauge

Technical Specifications

Flow Rate (Ltr./Hr. Max.) Pressure (Bar g Max.) Pump Model L (mm) W (mm) F (mm)
0 – 246 80 SD 1011 520 400 250
0 – 1169 100 SD 2017 620 470 300
0 – 6521 200 SD 3530 810 680 350
0 – 9782 200 SD 6040 1100 900 450