Viscosity Flow Cups
Viscosity flow cups are easy to use to determine the flow rate and viscosity of inks, paints, varnishes and other Newtonian (or near Newtonian) fluids. There are various types available, all manufactured to the appropriate national or international standard
- Most sizes of flow cup are in stock for same day dispatch
- Our flow cups are manufactured in the U.K.
- Calibration service available
- Buy online today or request a quotation
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Full range of viscosity calibration oils which are certified in accordance with UKAS ISO 17025 requirements also available
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We now offer onsite & offsite viscosity cup calibration services. Get in touch if you’d like to know more.
Viscosity Flow Cups BS3900 (1971) Old Specification
| Type | B2 | B3 | B4 | B5 | B6 |
| Orifice Diameter | 2.38 mm (0.09″) | 3.17mm (0.12″) | 3.97mm (0.16″) | 4.76mm (0.19″) | 7.1mm (0.28″) |
| Viscosity Range | 38-71cSt | 38-147cSt | 71-455cSt | 299-781cSt | 781-1650cSt |
| Flow Times | 30-300 sec | 30-300 sec | 30-300 sec | 30-300 sec | 30-300 sec |
Viscosity Flow Cup DIN 53221
| Type | 2mm | 4mm | 6mm | 8mm |
| Orifice Diameter | 2mm (0.08″) | 4mm (0.16″) | 6mm (0.24″) | 8mm (0.31″) |
| Viscosity Range | 15-30cSt | 112-685cSt | 550-1500cSt | 1200-3000cSt |
| Flow Times | 25-150 Sec | 25-150 sec | 25-150 sec | 25-150 sec |
Viscosity Flow Cup, AFNOR Cup- NF T30-014
| Type | 2.5mm | 4mm | 6mm | 8mm |
| Orifice Diameter | 2.5mm (0.10″) | 4mm (0.16″) | 6mm (0.24″) | 8mm (0.31″) |
| Viscosity Range | 5-140cSt | 50-1100cSt | 510-5100cSt | 700-11500cSt |
| Flow Times | 30-100 Sec | 30-100 sec | 30-100 sec | 30-100 sec |
Viscosity Flow Cup, ASTM D1200 Ford Flow Cup
| Type | Ford No1 | Ford No2 | Ford No3 | Ford No 4 | Ford No5 |
| Orifice Diameter | 2.1mm (0.08″) | 2.8mm (0.11″) | 3.4mm (0.13″) | 4.1mm (0.16″) | 5.8mm (0.23″) |
| Viscosity Range | 10-35cSt | 25-12-cSt | 49- 220cSt | 15-30cSt | 200-1200cSt |
| Flow Tims | 55-100 sec | 40-100 sec | 30-100 sec | 25-150 sec | 30-100 sec |
Viscosity Flow Cup BS EN ISO 2431 and B5 EN535 (1991)
| Type | No.3 | No.4 | No.5 | No.6 | No.8 |
| Orifice Diameter | 3mm (0.12″) | 4mm (0.16″) | 5mm (0.20″) | 6mm (0.24″) | 8mm (0.31″) |
| Viscosity Range | 7-42cSt | 35-135cSt | 91-325cSt | 188-684cSt | 600-2000cSt |
| Flow Times | 30-100 sec | 30-100 sec | 30-100 sec | 30-100 sec | 30-100 sec |
Viscosity Flow Cup, Frikmar Cup
| Type | 2mm | 4mm | 6mm | 8mm |
| Orifice Diameter | 2mm (0.08″) | 4mm (0.16″) | 6mm (0.24″) | 8mm (0.31″) |
| Viscosity Range | 15-30 | 112-685 | 550-1500 | 1200-3000 |
| Flow Times | 25-150 sec | 25-150 sec | 25-150 sec | 25-150 sec |
