Suction
The viscous chemical flows slowly in the suction tube: with a standard pump the pump head does not fill and the pump does not dose.
Dosing pumps · By application
Pumps for low-viscosity liquids
Viscous chemicals flow with difficulty in the suction tube and a standard pump cannot draw them in. For low-viscosity liquids, up to 8,000 cPs, pumps with a dedicated pump head and valves are used; above this value, pumps for polymers are required. For details of the models, visit the series pages: AMS, K and KMS and Prisma.
- Up to 8,000 cPs
- PMMA pump head
- AMS LPV, K LPV and KMS LPV, Prisma
8,000cPsMaximum viscosity of low-viscosity liquids
60l/hMaximum flow rate (AMS)
25barMaximum pressure (AMS, Prisma)
3Series
Why
Dosing a viscous liquid
Fewer strokes per minute
As the viscosity of the product increases, a pump with a lower number of strokes per minute is recommended, giving the liquid time to fill the pump head.
Flow rate
The nominal flow rate is measured with water at room temperature: with viscous liquids it must be checked with the product being dosed.
The pumps
Pumps for low-viscosity liquids
For details of the models in each series, visit its page using the link at the bottom of the card.
AMS LPV Series for low-viscosity liquids
For chemicals with a viscosity between 100 and 8,000 cPs, with the high flow rates and back-pressures of the AMS series: up to 60 l/h and 25 bar.
K LPV and KMS LPV Series for low-viscosity liquids
PMMA pump head for viscous liquids up to 8,000 cPs, up to 18 bar. The LPV version is available for the multifunction models of the KMS series.
Prisma Series
Stepper motor pump: the slow mode reduces the suction speed and makes priming and dosing of viscous products, up to 10,000 cPs, simpler and more reliable.
For low-viscosity liquids
AMS LPV Series
Performance
For chemicals with a viscosity between 100 and 8,000 cPs.
| Max pressure (bar) | Max flow rate (l/h) |
|---|---|
| 25 | 5 |
| 15 | 10 |
| 10 | 15 |
| 7 | 20 |
| 3 | 40 |
| 2 | 60 |
Nominal flow rate measured with water at room temperature.
For low-viscosity liquids
K LPV and KMS LPV Series
Performance
For chemicals with a viscosity up to 8,000 cPs.
| Max pressure (bar) | Max flow rate (l/h) |
|---|---|
| 18 | 2 |
| 15 | 4 |
| 10 | 5 |
| 8 | 8 |
| 2 | 18 |
Nominal flow rate measured with water at room temperature.
For low-viscosity liquids
Prisma Series
Performance
For chemicals with a viscosity between 100 and 10,000 cPs.
| Max pressure (bar) | Max flow rate (l/h) |
|---|---|
| 20 | 1 |
| 25 | 2 |
| 20 | 5 |
| 16 | 7.5 |
| 10 | 13 |
| 7 | 20 |
| 5 | 28 |
| 4 | 50 |
| 3 | 70 |
| 2 | 80 |
Nominal flow rate measured with water at room temperature: with viscous liquids it must be checked with the product being dosed.
Installation
Installation and priming
Short suction line
Pump close to the tank, with a short suction tube, without loops, and of a diameter suited to the product.
Priming
With viscous liquids, priming can be assisted with a 20 cc syringe applied to the purge valve.
Above 8,000 cPs
For more viscous products, up to 50,000 cPs, pumps for polymers are used.
Pumps for polymers →Choosing the pump
Tell us the product to be dosed, its viscosity, the flow rate and the back-pressure: we will recommend the most suitable pump.