Heat Treatment Centres - 50 to 70 kVA Heat Treatment Centres

50 kVA Sub Sea 4 channel DC Unit

Product No: 24500

50kVA 4 CHANNEL DC HEAT TREATMENT UNITS FOR SUB-SEA OPERATIONS

Manufactured to a 'desk type' format in stainless steel, the unit has been designed to provide power for offshore sub-sea welding operations.Constructed to the Code of Practice Document 'Safe use of electricity under water' (ISBM 0860171914) the unit distributes power through an umbilical cable for pre and post weld heat treatment of jacket structures and pipeline weld repairs in hyperbaric chambers. Some major features of the unit are:Primary supply 380V 76A, 415V 70A, 440V 66ASecondary ouput: 4 separate dc circuits of 80VEarth leakage protection AC ripple protection to ensure immediate equipment disconnection.

Can be designed to customer's requirements.

50 & 70 kVA Heat Treatment Centres

The graphic to the left shows the 50 & 70kVA Heat Treatment Centre

Standard features The heat treatment centre provides comprehensive temperature control and recording for any heat treatment operation.Well finished and compactly built into a manageable mobile unit, its rugged and reliable design gives it a long on-site working life expectancy.

Protection from unauthorised use is achieved by provision of lockable steel doors with clear view panels fitted to the front instrument panel for visual instrument checks.

Mannings solid state programmers provide fully automatic heat treatment cycles including control of temperature rise and fall, soak temperature and soak times. The unit also has a hold/scan thermocouple feature. Set point temperature and program state can be checked at any time during the cycle on the L.E.D. display and illuminated mimic diagram. Power rating is 100% up to a maximum ambient temperature of 50oC.

Maximum connected load for the 50kVA centre - 48.6kW.Maximum connected load for the 70kVA centre - 64.8kW.Contactorised switching. Overcurrent and winding temperature protection.Auto/Manual mode selection switches and neon indicator lamps for each channel. Six polarised thermocouple sockets for control and recording. Six polarised thermocouple sockets for recording of gradient temperatures. Two auxiliary 115Vac fused supply sockets.

Operational guide:50kVA centres can accommodate eighteen 2.7kW 60V heating elements.70kVA centres can accommodate twenty four 2.7kW 60V heating elements

• Solid state switching
• Selection of temperature recorders.
• Selection of programmers
• Addition of ammeters, etc.
• Colour finish

PLEASE NOTE:FOR NON STANDARD UNITS

There is no restriction on the size, output rating or number of channels available.