Flow Cups

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