Hockway™

CORROSION PREVENTION SOLUTIONS

Hazardous Area (ATEX) Transformer Rectifiers

Features

Mild steel heavy duty welded with flame zinc spray and 2 part epoxy/polyurethane coating
Painted stainless steel heavy duty welded grades 304 or 316
Continuously Variable Transformer (Variac)
Discrete step switching in 16, 20, 25 or 63 steps(Step control)
Constant current/constant voltage
Automatic potential control
115V to 240V single phase
Up to 480V three phases
GPS synchronous current interruption
Data logging of output voltage, current and reference electrode potential
Remote monitoring and control using the internet, satellite, GSM mobile and RS232/RS485 interfaces
Trip alarms for output voltage, current, reference electrode potential, AC input voltage or phase failure

Oil Cooled Transformer Rectifiers

Features

Mild steel heavy duty welded with flame zinc spray and 2 part epoxy/polyurethane coating
Painted stainless steel heavy duty welded grades 304 or 316
All opening covers are fitted with neoprene gaskets to prevent the ingress of dust and moisture
Continuously Variable Transformer (Variac)
Discrete step switching in 16, 20, 25 or 63 steps(Step control)
Constant current/constant voltage
Automatic potential control
115V to 240V single phase
Up to 480V three phases
GPS synchronous current interruption
Data logging of output voltage, current and reference electrode potential
Remote monitoring and control using the internet, satellite, GSM mobile and RS232/RS485 interfaces
Trip alarms for output voltage, current, reference electrode potential, AC input voltage or phase failure

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Junction Boxes

All DC current requirements up to 150A
Any number of circuits

Features

Stainless steel 316/304 – painted if required
Mild steel – painted with galvanizing optional
GRP (Glass-Reinforced Plastic)
Cast aluminium – painted ATEX Certified to Gas Group IIB or IIC
All sizes available
IP ratings from IP20 to IP67
Monitoring test points
Negative distribution and control/junction boxes
Positive distribution and control/junction boxes
Anode junction boxes
Negative drain point boxes
Current control and monitoring boxes

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Air Cooled Transformer Rectifiers

Features

Painted mild steel
Glass Reinforced Plastic (GRP)
Stainless steel grades 304 or 316
Continuously Variable Transformer (Variac)
Discrete step switching in 16, 20, 25 or 63 steps(Step control)
Constant current/constant voltage
Automatic potential control
115V to 240V single phase
Up to 480V three phases
GPS synchronous current interruption
Data logging of output voltage, current and reference electrode potential
Remote monitoring and control using the internet, satellite, GSM mobile and RS232/RS485 interfaces
Trip alarms for output voltage, current, reference electrode potential, AC input voltage or phase failure

Remote Monitoring and Control System

Features

Monitoring of the AC supply to each TR
Monitoring of DC current output from each TR channel
Monitoring of DC voltage output from each TR channel
Monitoring of reference electrode to structure potentials (ON and OFF) for up to 32 reference electrodes per channel
Monitoring coupon potentials (ON/OFF)
Alarms if AC voltage/DC current/DC voltage/reference cell to structure potentials change from pre-set tolerances
Energise and de-energise each TR channel independently
Remote manual control of DC output current
Remote manual control of DC output voltage
Remote automatic control of DC current and DC voltage using up to six reference electrode to structure potentials
Synchronous interruption of TR units

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Contacts

James Neilson

Hockway Sales and Projects

Nick Corline

Technical Manager Hockway