What is the 24v Electric Water Pump?

Grayson Thermal Systems 24V electric water ethylene-glycol (WEG) pump has been developed specifically for hybrid and electric vehicle applications.

The pump, suitable for a global use in a variety of operating and environmental territories, is lightweight whilst offering long motor life, variable flow control and exceptional corrosion and water resistance.

Mounted in a number of orientations, without impacting reliability or performance.

See below for our full range of Water Pump Products!

Overview

Benefits

  • Higher flow / pressure at lower pump speed
  • Longer life
  • Can be mounted in various orientations
  • Up to 40,000 hour life (motor)
  • 2 year warranty
  • Extremely robust design
  • Quiet operation
  • Various methods of control
  • Corrosion and coolant resistant
  • Integrated controller and power electronics
  • Brushless DC permanent magnet motor
  • Easy in-house maintenance
  • Designed to match a number of competitor control protocols

Features

  • Triple ‘O’ Ring seal design with EU high quality spring
  • Long life SIC / SIC / EPDM sealing
  • Heavy duty bearings
  • CSA certified
  • Integrated overvoltage protection
  • Integrated thermal protection
  • Stand alone / PWM / CAN control configurations
  • Motor manufactured to Class H temperature rating
  • Multiple pump operation on single CAN network through addressing

Dimensions

Configuration

Easy Configuration

  1. PC based app to configure the pump
  2. Run the pump for test purposes
  3. Used in conjunction with CAN interface

Easy Control

  1. Default (On/Off)
  2. CAN SAE J1939
  3. PWM

Technical

MINIMUM TYPICAL MAXIMUM UNITS
VOLTAGE 18 27.2 32 Vdc
CURRENT 16 19 A
TARGET LIFE 10,000 40,000 Hours
FLUID TEMPERATURE -35 100 °C
AMBIENT TEMPERATURE -40 95 °C
STORAGE TEMPERATURE -40 95 °C
WETTED MATERIALS     Cast aluminium & stainless steel
PRESSURE 2.0 2.2 Bar
FLOW RATE 45 120 L/Min
IP 69K IP
WEIGHT 3.9/8.6 Kg/lb

Specifications

GEOMETRY X = 238mm Y = 153mm Z = 146mm
CORE MATERIALS Aluminium body, aluminum head and brushless motor
CONNECTORS DTM and DTP connectors 6 and 4 Pin, heavy duty vehicle approved cable
FUSE SIZE 20A recommended
CURRENT / MAXIMUM CURRENT Rated current 16A / maximum self-regulating at 19A, operational 3A – 17A
FLOW / MAXIMUM FLOW Rated 45 l/min (11.8 US gpm) / maximum 120 l/min (32.5 US gpm)
PRESSURE / MAXIMUM PRESSURE Rated 2.0 bar (30 psi) / maximum 2.2 bar (33 psi)
INLET PRESSURE Grayson Thermal System Electric Pump requires inlet pressure greater than -0.3 bar (-5psi) at the operating speed under all operating conditions
WEIGHT 3.9Kg / 8.6lb
MOTOR LIFE Up to 40,000 hours design life
HEAD ORIENTATION 170″ x 2 options via inbuilt motor mountings, please ask advice for other options
OUTLET SIZE 25.4mm O.D. (1″) / 20mm I.D. (3/4″)
FLUID TEMPERATURE -35 to 100°C (100°C based on ambient of 25°C)
AMBIENT TEMPERATURE -40 to 95°C
VOLTAGE 24V, (operational range 18V – 32V) (Absolute maximum) Optimised to 27.2 Vdc
RELEVANT STANDARDS J1939, ISO7637, ISO16750, IP69K
TESTING HALT (Highly Accelerated Life Testing) Including arduous cold, hot and vibration testing from -60°C to 125°C combined with vibration inputs from 2.5gRMS to 11.45gRMS
CONTROL CAPABILITY CAN J1939 / PWM / Standalone
ELECTRONICS Fully encapsulated, protected against voltage transients and reverse polarity connection
STORAGE TEMPERATURE -40 to 95°C

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