Submersible Waterproof Light Oil Pump And Motor Assemblies

US-9932981-B2 Patent

Designed for applications where fuel oil pumps cannot be installed above normal flood levels due to code or suction lift constraints, Preferred's submersible waterproof pumps are designed to be installed below grade level. These pumps can withstand seawater submersion and continue uninterrupted operation during floods.

  • Designed to withstand complete submergence in 75ft of water and continue uninterrupted operation.
  • Complete pump and motor assembly installed within submersible enclosure.
  • Discriminating type leak sensors installed inside enclosure
  • Pressure tested to a minimum of 40 psi for 15 minutes
  • Minimum five years experience producing WP design, have field engineers, etc.
  • Testing for heat buildup, running unsubmerged continuously for 45 minutes. 

  • Overview
  • Application
  • Documents
Overview

Designed for applications where fuel oil pumps cannot be installed above normal flood levels due to code or suction lift constraints, Preferred's Submersible waterproof pumps are designed to be installed below grade level. These pumps can withstand seawater submersion and continue uninterrupted operation during floods.

US-9932981-B2 Patent

  • Designed to withstand complete submergence in 75ft of water and continue uninterrupted operation.
  • Complete pump and motor assembly installed within submersible enclosure.
  • Discriminating type leak sensors installed inside enclosure 
  • External connections seal welded to enclosure for connection of field piping.
  • External connections seal welded to enclosure for electrical connections
  • Stainless steel flexible hoses for pump suction and discharge connections.
  • Epoxy-enamel painted carbon steel enclosure.
  • Flanged access door with gasket.
  • Sliding tray for pump removal for maintenance or repair.
  • Local non-fusible disconnect installed within the enclosure.
Application
  • Any facility where equipment is installed at or below historic flood levels and cannot afford to lose electrical power generation.
  • Locations with backup power systems situated in areas prone to flooding.
  • Hospitals, financial institutions, communication facilities, and data centers.
Documents

Waterproof Pump and Motor Assembly (LO) Specification

Waterproof Pump and Motor Assembly (LO) Brochure

Waterproof Pump and Motor Assembly (LO) Cutsheet

 

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