KELCO

Kelco Engineering was created in 1974 and operates three well-equipped factories in Brookvale, Sydney, Australia. Their facility comprises a modern toolroom with cutting-edge CNC equipment for die and mould production. In addition, they provide full-service manufacturing, which includes in-house injection moulding, assembly, testing, and storage.

All Kelco Engineering products are created, manufactured, and tested in-house to meet the stringent needs of our global clientele. Their capacity to innovate has contributed significantly to their success. As a result, they have a tight research and development programme in place.

We love working with Kelco and supplying our customers with their cutting-edge technology. As a result, we've created solutions that solve long-standing chemical engineering and industry problems. Our goal at PVL is to sell the best products in their class regarding durability, reliability, and value for money.



  • 0 - 500V 15Amp S.P.D.T switch or;
  • Low Voltage model also available ('RL' model)
  • Polypropylene or 316 Stainless models
  • Switches available with 3/4" & 1" BSP & NPT threads
  • Manual override built in to all 'F-H' models
  • Modular construction
  • High pressure 400 Bar 5800 psi models available
  • Seal-less magnetic drive
  • Weatherproof IP67 housing
  • Easily serviceable
  • For 25mm pipe sizes
  • Detects low flows from 0.1 l/min
  • 1”BSP connections
  • Pressure up to 100 bar
  • Max Flow 100 l/min
  • Reed switch or relay option
  • For 15mm to 25mm pipe sizes
  • Detects flows from 2.5 l/min
  • 1” BSP Threaded and PVC push fit
  • Pressure up to 18 bar
  • No metal wetted parts
  • 100 l/min max flow
  • 0 to 500V AC 15 Amp S.P.D.T switch
  • 316 Stainless Process Connection
  • Super Tough Billet Aluminium Housing
  • Manual override built in
  • 3/4” & 1” models available with BSP or NPT threads
  • 400 Bar (5800 psi) pressure rating
  • Seal-less magnetic drive
  • Dieselene & High Temperature versions available
  • Weatherproof IP67 housing
  • Easily serviceable
  • Australian Made
  • High and Low Level Control
  • 2 HP 1.5kW 20 AMP 500V S.P.D.T switch
  • No metal parts in contact with liquids
  • Heavy duty all metal housing
  • Weatherproof to IP67
  • Super reliable magnetic action

Technical Datasheet
  • No external moving parts
  • Reliable solid construction
  • S.P.D.T three wire switch
  • PVC and Polypropylene construction
  • Stable repeatable switching action
  • No mercury or lead components
  • Compact size, 25 mm diameter
  • Optional cable weights available
  • Very simple to program
  • Multi voltage operation
  • Displays pressure and set points
  • 15 Programmable timers built in
  • Powerful 40 Amp solid state drive
  • Dedicated alarm relay
  • Detachable electrical housing
  • 20 Bar 290 psi Pressure rating
  • Suites pipes 25mm (1”) & Larger
  • Accepts remote input
  • Weatherproof Housing
  • Versatile multipoint level sensors
  • For tank gauging & level control
  • Suits pvc or stainless systems
  • Serviceable and expandable
  • Simple and reliable    
  • IP67 weatherproof    
  • Easily adjusted
  • 5 to 500V AC 15A 1.5kW (2HP)
  • Switch Gold Contact Low Wetting Current model available No metal parts in contact with liquids
  • 60mm level change on to off or off to on
  • Highly reliable magnetic action
  • Fully sealed IP67 electrical housing
  • M20 cable gland built in
  • For 6 mm to 20 mm pipe sizes
  • Detects low flows from 0.30 litres per hr
  • 3/4” BSP unions with PVC push fit
  • Vertical Installation only
  • No metal wetted parts
  • Suitable from 1 to 14 liquid PH level
  • For 20mm pipe sizes
  • Detects low flows from 0.065 l/min
  • 3/4” BSP unions with PVC push fit
  • Pressure up to 18 bar
  • No metal wetted parts
  • Reed switch or relay option
  • For 25mm pipe sizes
  • Detects low flows from 0.23 l/min
  • 1” BSP male to 1” BSP female thread
  • Pressure up to 200 bar
  • Rated from -20 °C to 90 °C
  • 100 l/min max flow
  • For 15 mm pipe sizes
  • Detects low flows from 0.1 l/min
  • 1/2” BSP connections
  • Pressure up to 100 bar
  • Max Flow 30 l/min
  • Reed switch or relay option
  • Multi Voltage Operation
  • 10 Programmable Timers Built In
  • Powerful 40Amp Solid State Drive
  • Dedicated 16A Alarm Relay Detachable Electrical Housing
  • 18 Bar 261 psi Rated Standard Model
  • 200 Bar 2900 psi Model Available
  • Suits Pipes 1” & Larger
  • Accepts 2 Remote Inputs
  • Weatherproof Housing
  • Suites Open channels or Pipework
  • 0 to 500V AC 15 Amp S.P.D.T switch
  • Works when solids or slurry is present
  • Weatherproof IP67 housing
  • Perfect for high velocity flow
  • ¾” & 1” BSP models available
  • Digital Pressure Switch SPDT C/O Contacts
  • 20 Bar / 290 PSI pressure rating
  • Multi voltage operation
  • Powerful 40 Amp solid state drive
  • 30 Amp primary pump relay
  • Dedicated 16 amp alarm relay
  • IP67 rated

Technical Datasheet
  • Stainless steel or thermoplastic
  • Built in manual override
  • 15 Amp 500 volt S.P.D.T switch
  • Unique seal-less coupling
  • Weatherproof IP67 housing
  • Simple to install
  • Fully serviceable