SAMPI Gearbox Motorpump User Manual
Gearbox motorpump specifications sheet, Drive style features, Motor pump unit general specifications

Motor pump units are designed to handle non-aggressive
chemical and petrochemical fluids and to be installed in
classified areas (with explosion or fire hazard), unless the
customer requests special constructions for specific uses.
Common applications for a motor pump unit are:
- Liquid transfer in terminal and bulk plants;
- High flow dispensers;
- Combined pumping and metering systems;
- Mobile pumping units.
The equipment essentially consists of the following components:
- Positive displacement rotary vane pump with mechanical seal
and built-in adjustable by-pass valve;
- Electric motor sized according to the specific equipment use;
- Reduction unit or belts and pulleys:
- Safety casing;
- Support base.
Gearbox Motorpump
Specifications Sheet
Drive style
Features
Gearbox
Suitable for high torque values at pump
shaft, very low speed
Recommended for heavy duty applications
and with medium-high viscosity products
Flow rate
Pump model
Recommended upstream piping size
150
RVP20
3”
200
RVP20
3”
250
RVP20
3”
300
RVP25
3”
400
RVP25
3”
500
RVP25
3” – 4”
700
RVP30
4”
800
RVP30
4”
950
RVP30
4” – 6”
Motor pump unit general specifications
Motor power from 2 to 15 HP (1,5 to 11 kW), TEFC (IP55) or explosion proof (ATEX)
Flow rates from 150 to 1000 l/min (40 to 264 GPM)