Pump System Features
- Capacities from 5 gpm to 150+ gpm
- Direct-Drive Pumps up to 26 gpm
- Belt-Driven Pumps 29 gpm and above
- Primed and Painted
- Inlet Strainer
- Flexible Inlet/Outlet Connections
- All-welded piping
- Backpressure Regulator
- Liquid-filled Pressure Gauges
- Single-Pump Systems
- Duplex-Pump Systems
- Blackmer Pumps
- Corken Pumps
- US Voltages
- International Voltages
- Ex-proof Motors Class I, Div. 1, Group D (Flame-Proof)
LPG Transfer Pumps, as the name implies, are used to transfer LPG from the storage tanks to the vaporizer. In systems with Venturi LPG/air mixing systems, they are also responsible for maintaining the pressure needed for optimum and efficient function of the Venturi tubes.
All pumps are mounted on steel skids, and are primed and painted. They are equipped with constant pressure regulator, strainer, isolation valves, by-pass loops ("Summer-Bypass"), liquid filled pressure gauges, and any other components required for safe operation.
Smaller pumps up to 17 GPM are for single phase AC 115/230V 50/60Hz service. Larger pumps are for 3-phase AC 230/460V 60Hz or 400/415V 50Hz and require magnetic motor starters with overload protection. Pumps up to 45 GPM are direct-drive pumps (electric motor directly coupled to pump). Larger pumps are belt driven.
All pumps are of "positive displacement" design and use rotary vane pumps with a built-in over-pressure relief valve, designed for continuous use with high reliability.
A back pressure regulator provides stable delivery pressure by returning excess pump capacity to the storage tank.
All systems are supplied with an explosion proof motor to meet Class I, Div. 1, Group D (Flame-Proof) requirements.
Magnetic motor starters can be supplied either as a separate component, installed on the pump skid, or integrated with the system controls. If integrated with the system controls, a Start/Stop station at the pump skid is provided for local pump control.
When sizing a pump system, the nominal pump capacity should be approximately twice the nominal capacity of the LP or LP/Air system.
All AES pump systems are available with Blackmer pumps or with Corken pumps, and can be configured for various voltages and for 50 Hz or 60 Hz.
The purpose of Duplex Pump Systems is to provide maximum redundancy. They are therefore manufactured as individual pumps that only share a common skid. All bypass and isolation valves exist in duplicate and allow to use pumps in any combination: Pump 1, Pump 2, or Pump 1 and Pump 2 together. Each pump can be completely isolated so that maintenance and repair work on this pump does not affect the other pump, or the system availability.