three -screw pumps A1 3V, A2 3V, A3 3V are made for installation in technological lines for technological lines for Fuel supply and pumping of oil products ( general -industrial pumps ). Three -screw pumps are characterized by high indicators of reliability, efficiency, low noise when working on pure mineral oils (high -dried hydraulics pumps).
the structure of the symbol
a 1 3v 125/16-90/6.3 B-2 TU 26-06-1546 -89
a - a constructive sign of the pump
1 - execution
3v 125/16 - designation of the pump according to GOST 20883
90 - the pump supply in the unit, m 3 /h < Br Style = "Margin: 0px; Padding: 0px;" />
6.3 - pump pressure in the unit, kgf/cm 2
b - the material of the prototype - bronze
2 - engine execution
TU 26-06-1547-89 -designation of technical conditions
| Mark | Feed, m³/h | Pump pressure (differential), kgf/cm² | Suction height, m | Rotation frequency, rpm | Engine power, kW |
| A1 3V 8/25-11/10B-1 | 12.5 | 10 | 5 | 2900 | 7.5 |
| Pumps | |
| Power/speed | 7,5/3000 |
| Flow, cubic meters/hour | 12,5 |
| pressure | 100 |
