Aseptic filling - benchtop fillers

520 series dispensing pumps


520Di dispensing pumps

520Di pumps combine industrial power and durability with unrivalled precision, pumping up to 3.5 L/min and achieving pressures up to 2 bar. The pump can store up to 50 dispensing programs using the simple screen-keypad interface. The pump outputs batch records for cGMP requirements.

  • Accurate, fast dispensing for ultimate batch consistency. Dispenses 50 ml in 2 seconds with ±0.5 % accuracy.

Features and benefits

  • Fully automated aseptic fill/finish in biopharmaceutical and pharmaceutical drug manufacturing
  • Benchtop media or reagent preparation in laboratory suites – filling or inoculating bottles, vials, Petri dishes and media bags
  • Five-year warranty NEMA2 and NEMA4X (IP66 and IP31) enclosure for high-pressure washdown environments
  • Addition of colours, dyes, flavours, vitamins, and other ingredients in food production

Technical summary

Accuracy±0.5 %

Technical Summary table lists features available within the range. See ‘Specifications’ tab for model specific information.


520Di and 520DiN performance

505L pumphead — Flow rates (ml/min)
Tube Material Speed 1.6mm 3.2mm 4.8mm 6.4mm 8.0mm 9.6mm
Pumpsil®, GORE® STA-PURE® Pump Tubing-Series PCS, GORE® STA-PURE® Pump Tubing - Series PFL 0.1-350rpm 0.04-150 0.23-800 0.42-1500 0.70-2500 0.90-3200 NA
Marprene®, Bioprene® 0.1-350rpm 0.04-130 0.17-500 0.38-830 0.67-2000 1.10-3200 NA
505L pumphead recommended dose sizes
Tube bore 1.6mm 3.2mm 4.8mm 6.4mm 8.0mm 9.6mm
maximum speed 350rpm Minimum dose 0.9ml 4.5ml 8.5ml 14ml 18ml 25ml
Maximum dose 15ml 75ml 150ml 250ml 300ml 400ml


Technical specifications

520Di and 520DiN
Accuracy±0.5 %
Ingress ProtectionIP31, IP66, NEMA 2, NEMA 4X 
Operating temperature range 5 °C to 40 °C
Operating temperature range 40 °F to 104 °F
Speed control ratio2200:1 
Humidity(Condensing) 10 to 100 % RH, (Non-condensing) 80 % up to 31 °C (88 °F) decreasing linearly to 50 % at 40 °C (104 °F) 
Noise<70dBb(A) at 1m 
StandardsCE, cETLus 
Power supply110/230 V, 50/60 Hz, Single-phase 
Weight9.82 - 10.7 kg
Weight21.63 - 23.56 lbs
Compatible tubing size1.6 mm ID, 3.2 mm ID, 4.8 mm ID, 6.4 mm ID, 8.0 mm ID, 9.6 mm ID 

520Di and 520DiN dimensions

Materials of construction

BearingsStainless steel
CaseworkPressure die-cast aluminium LM24
Pumphead roller assemblyStainless steel 316


Control options

Pump drives 520Di 520DiN
Ingress protection rating IP31 IP66
Manual control
Digital speed control with full calibration to display flow
Choice of flowrate or speed display
Numerical keypad for entry of speed
Remote control
Run/Stop, direction change, auto/manual toggle, leak detector input (via contact closure or 5V TTL or 24V industrial logic)
Remote operation of Dosestart with instantaneous switch
Four programmable digital status outputs through 24V, 30W relays
Digital communication
Digital network serial control RS232 RS485
Security code to protect set-up, programs and dose parameters



  1. Dispensing pumps (US).pdf
    PDF - 612.6kb


  1. 520Di and 520DiN datasheet (US).pdf
    PDF - 557.9kb


  1. 520 Di-DiN manual (EN).pdf
    PDF - 5.1mb

Order Information

Product codes

520Di/DiN drives and 505L pumpheads

Pump and pumphead product codes
Description Partcode Description Partcode
505L Low pulse twin channel pumphead 053.4001.000 520Di (IP31) drive only 056.7171.000*
505LX Low pulse twin channel extension pumphead 053.4011.000 520DiN (IP66) drive only 056.717N.000**
505LG Low pulse twin channel pumphead for STA-PURE® tubing 053.4010.00G 505LTC Tube clamp set for 505L pumphead 059.4001.000
* Supplied as 2.4m mains lead without plug. To specify American, European, United Kingdom, Australian, Argentinian or Swiss 2.8m mains lead please specify A, E, U, K, R or C respectively. Replace the last zero with the mains lead code. For example - 050.7131.10A is a 520S/R pump with American mains lead. ** Supplied as 2.4m mains cable without a plug. To specify American mains lead please replace the last zero with A.
Tube ordering codes
Double Y tubing elements for 520DiL dispenser
Bore (mm) Bioprene TL Marprene TL Pumpsil Pumpsil-D STA-PURE® PCS STA-PURE® PFL
1.6 933.E016.K24 902.E016.K24 913.AE16.K24 913.DE16.K24 960.E016.K24 965.E016.K24
3.2 933.E032.K24 902.E032.K24 913.AE32.K24 913.DE32.K24 960.E032.K24 965.E032.K24
4.8 933.E048.K24 902.E048.K24 913.AE48.K24 913.DE48.K24 960.E048.K24 965.E048.K24
6.4 933.E064.K24 902.E064.K24 913.AE64.K24 913.DE64.K24 960.E064.K24 965.E064.K24
8 933.E080.K24 902.E080.K24 913.AE80.K24 913.DE80.K24 960.E080.K24 965.E080.K24
9.6 933.E096.K24 902.E096.K24 913.AE96.K24 913.DE96.K24

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