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Flow Cups

Flow Cups

Product Details:

  • Measurement Range 10 ~ 1000 Centistokes
  • Power Source Manual/No Power Required
  • Model No ISO, Ford, Zahn, B4, B3
  • Automation Grade Manual
  • Capacity 100 ml, 200 ml, 300 ml (varies by model)
  • Accuracy 1 second
  • Temperature Range Ambient to 50C
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Flow Cups Price And Quantity

  • 5000 INR
  • 1 Piece

Flow Cups Product Specifications

  • Measurement of liquid viscosity
  • Flow Cup / Viscometer Cup
  • Varies by model (e.g., 130x50x50 mm)
  • 100 ml, 200 ml, 300 ml (varies by model)
  • 1 second
  • Ambient to 50C
  • Cup Body, Orifice
  • 10 ~ 1000 Centistokes
  • Stainless Steel, Brass
  • Manual
  • ISO, Ford, Zahn, B4, B3
  • Manual/No Power Required

Flow Cups Trade Information

  • 5-10 Piece piece Per Month
  • 6-8 Week

Product Description

Flow Cups

These flow cups cover most of the standards specified in Britain, France, Germany, USA and by ISO.
With the exception of Zahn and Parlin (Brass) type all flowcups are precision machined from high quality aluminium and feature stainless steel nozzle inserts (depending upon the standard specification).

Product Code Orifice diameter Viscosity range Flow times

Ref 401 Series (old type) BS3900 : Part A6, 1971 401/2 - B2 2.38mm (0.09) 38-71cSt 30 - 300 secs

This specification replaced by EN ISO 2431/8S3900 401/3 - B3 3.17mm (0.12) 38-147cSt

part A6:1996 - see Ref 417 401/4 - B4 3.97mm (0.16) 71-455cSt

401/5 - B5 4.76mm (0.19) 299-781cSt

401/6 - B6 7.14mm (0.28) 781-1650cSt

Ref 404 Series (old type) DIN 53 211 404/4 4mm (0.16) 112 - 685cSt 25 - 150 secs

The orifices are manufactured from stainless steel. (For options

N.B. Special orifices available to order see Ref 417)

e.g. 404/2mm; 404/6mm; 404/8mm.

This specification replaced by EN ISO 2431 - see Ref 417

Ref 406 series ASTM D1200 (Ford) 406/1 No 1 2.1mm (0.08) 10-35cSt 55-100 secs

The orifices are manufactured from stainless steel. 406/2 No 2 2.8mm (0.11) 25-120cSt 40-100 secs

406/3 No 3 3.4mm (0.13) 49-220cSt 30-100 secs

406/4 No 4 4.1mm (0.16) 70-370cSt 30-100 secs

406/5 No 5 5.8mm (0.23) 200-1200cSt 30-100 secs

Ref 417 Series BS EN ISO 2431, ASTM D 5125, 417/3 No 3 3 mm (0.12) 7-42cSt 30-100 secs

BS3900 part A6:1996 417/4 No 4 4mm (0.16) 35-135cSt

The orifices are manufactured from stainless steel 417/5 No 5 5mm (0.20) 91-325cSt

417/6 No 6 6mm (0.24) 188-684cSt

417/8 No 8 8mm (0.31) 600-2000cSt

Ref 419 Series AFNOR CUPS. NF -T - 30014 419/2.5 2.5mm (0.10) 5-140cSt 30-100 secs

419/4 4mm (0.16) 50-1100cSt

419/6 6mm (0.24) 510-5100cSt

417/8 No 8 8mm (0.31) 700-11500cSt

Ref 420 Series FRIKMAR CUP. 420/2 2mm (0.08) 25-150 secs

A dip cup format based on old Ref. 404 style cup 420/4 4mm (0.16) 112-685cSt

DIN 53 211. (internal dimensions) 420/6 6mm (0.24)

The orifices are manufactured from stainless steel

Ref 405 Series ASTM D 4212 Zahn Cups. 405/1 1.93mm (0.08) 5-60cSt 35-80 secs

These cups are manufactured from brass 405/2 2.69mm (0.11) 20-250cSt 20-80 secs and then bright nickel plated for a superior finish 405/3 3.86mm (0.15) 100-800cSt 20-80 secs

405/4 4.39mm (0.17) 200-1200cSt 20-80 secs

405/5 5.41mm (0.21) 400-1800cSt 20-80 secs 



Precision Viscosity Measurement for Diverse Liquids

Ideal for paint, ink, coating, and chemical testing, Flow Cups provide reliable viscosity readings across a broad measurement range (10 ~ 1000 Centistokes). Their robust design, availability in several models such as ISO, Ford, Zahn, B4, and B3, and strict adherence to international standards make these viscometer cups a trusted choice for laboratories and production floors.


User-Friendly and Durable Construction

Built from corrosion-resistant stainless steel or brass, each Flow Cup features a mirror-polished finish for easy cleaning and minimal contamination. Ergonomically designed handlesavailable in metal or woodenhance comfort during manual measurements. Replacement orifices are offered for flexibility and prolonged cup lifespan.

FAQs of Flow Cups:


Q: How do I use a Flow Cup to measure viscosity?

A: To measure viscosity, fill the Flow Cup with your liquid sample up to the marked capacity, allow the sample to equilibrate to ambient temperature (up to 50C), then open the orifice to start flow. Time the outflow using a stopwatch, and compare the results against the appropriate calibration chart for accurate centistokes (cSt) measurement.

Q: What liquids can be tested with these Flow Cups?

A: These Flow Cups are suitable for testing the viscosity of paints, inks, coatings, chemicals, and other lab liquids, making them versatile for both laboratory and industrial environments.

Q: When is it necessary to replace the orifice on the Flow Cup?

A: Replacement of the orifice is recommended if there are signs of wear, damage, or residue build-up, which may affect measurement accuracy. Replacement orifices are available for all models to maintain optimal performance.

Q: Where can Flow Cups be used?

A: Flow Cups are commonly utilized in laboratories, paint manufacturing units, coating plants, chemical analysis labs, and quality control departments where precision viscosity measurements are required.

Q: What are the benefits of using a mirror-polished Flow Cup?

A: Mirror-polished Flow Cups resist corrosion and are easy to clean, ensuring minimum sample contamination and highly accurate viscosity readings during repeated use.

Q: What is the process for cleaning and maintaining the Flow Cup?

A: After each use, rinse the cup and orifice with a suitable solvent based on the liquid tested. Wipe with a lint-free cloth, and ensure all parts are thoroughly dried before storage. Regular inspections help preserve accuracy and extend the cups life.

Q: How accurate are the viscosity measurements obtained using these Flow Cups?

A: These Flow Cups deliver reliable viscosity measurements with a precision of 1 second, meeting ISO and ASTM international standards for laboratory and industrial applications.

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