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    News


    12 October 2007

    Circulation Heaters from Grimwood Heating

    Grimwood Heating has extended their signature range of circulation heaters for safe and hazardous areas.

    The range includes circulation heaters from as small as 1kW in a 25DN pipe through to units over 600kW in 400DN pressure vessels fully compliant with AS1210 and with the electrical aspects certified as meeting the requirements of the IECEx scheme for potentially explosive atmospheres.

    Grimwood Heating is unique amongst Australian manufacturers of circulation heaters in that they can provide the product and application engineering expertise to optimize the design for each application. This ensures customers are provided with products meeting their needs. Whether it is heating CIP solutions for a water treatment plant, anticrystalisation heaters for caustic storage, or fuel gas heaters for natural gas pipelines, Grimwood Heating has the expertise to engineer the circulation heater, inline heater or pipeline heater for the application.

    Grimwood views every application of a circulation heater, inline heater or pipeline heater as unique, and Grimwood will not try and force the customer to pick a unit from the standard catalogue. Grimwood will review the process conditions and engineer a heater for those conditions. The factors which influence the design of the heater include the flow rate, density, viscosity, thermal conductivity and heat capacity of the fluid.

    Finite Element Analysis

    By designing and manufacturing in Australia, Grimwood reduces lead times and improves the flow of information to ensure the product is delivered on time. Recently an IECEx certified Hazardous Area unit was manufactured and delivered to Malaysia within three weeks of the order being placed after a northern hemisphere manufacturer failed to deliver 20 weeks after order placement.

    With distributors in every state, a Grimwood circulation heater is easily accessible for every industry requiring a quality solution to their process heating application.


    8 October 2007

    Grimwood Heating appoints New Zealand Distributor

    Well known New Zealand element and control distributor Smiths Elements and Controls has been appointed the New Zealand distributor for Grimwood Heating.

    The extensive market reach of Smiths in the electrical wholesale channel will bring the full range of Grimwood industrial products to users throughout New Zealand.

    The unique Grimwood capability to engineer solutions for industrial users, particularly in the important energy sector with IECEx certified hazardous area products, fills a void in the market.

    Link to Grimwood International Distributors


    19 October 2006

    Eliwell Humidity Controllers now available from Grimwood Heating

    Eliwell Humidity Controllers are now available from Grimwood Heating in a range of formats to suit all applications. Whether it is a simple low cost humidity controller for the dough prover in a suburban bakery, or humidity control in the dough prover of a large scale commercial bakery requiring multiple inputs and outputs, data logging and communication to meet quality record requirements, Eliwell Humidity Controllers can provide the solution.

    Other applications requiring humidity control include horticulture, animal husbandry, pharmaceutical, wine making, and plastics processing.

    Eliwell Humidity Controllers are available in 32x74, 48x48 and 72x72 panel mount as well as DIN rail mount formats. Control options include single stage, two stages, two stages with neutral zone and PID with soft start function. The display is a three digit LED unit.

    Eliwell humidity probes are available with one 4..20mA current output for measuring humidity only, or two 4..20mA outputs for humidity and temperature.

    Also available is a range of Eliwell panel mount humidity meters in 32x74 and 72x72 format.

    Eliwell Humidity Controllers


    11 October 2006

    Grimwood extends the range of Robertshaw Industrial Process Controls

    Grimwood Heating has extended the range of Robertshaw Industrial Process Controls now available through their national distributor network.

    The product line includes;

    • Level controls
      • We offer RF capacitance level control for virtually any substance in any type of vessel.
    • Vibration monitors and switches
      • Robertshaw vibration switches and monitors minimize down time and repair costs by measuring the total acceleration force on the machine.
    • Control valves and regulators
      • Robertshaw control valves are built rugged and reliable
      • Using the power generated by the process, Robertshaw self actuated regulators are simple, complete control units for temperature, vacuum and pressure.
      • Our versatile line of pneumatic components includes temperature sensors, pressure sensors and relays, temperature regulators, fuel gas/starting air valves and engine safety controls.

    Grimwood Managing Director, Brian Walkington, said “We will continue to extend the product range. This will provide customers with the equipment that they need, to do the things they need to do.”

    Robertshaw Industrial Process Controls


    10 October 2006

    New Bio-diesel Heating Kit, from Grimwood

    Bio Diesel Heating Kit

    Low Cost “Bio-Diesel” Heater Kit, designed for smallscale DIY Bio-diesel Producers. This product has been promoted to members of the Australia-wide Bio-Diesel Users Group. “… … … available from your local electrical wholesaler branch”

    Part No. BDK3
    Bio-Diesel Kit with
    3 digit Electronic Controller
    alternative kits also available
    Only available from your local Grimwood stockist

    25 August 2006

    IECEx Hazardous Area Drum Heater from Grimwood

    Grimwood Heating has launched the range of LMK Thermosafe drum heaters on the Australian market.

    The outstanding feature of the LMK Thermosafe range is the IECEx certified induction drum heater for use in hazardous areas. This is the first time drum heater users have the opportunity to meet world’s best practice in hazardous area protection.

    Designed to heat 205 litre drums or smaller steel vessels. Thermosafe is a single induction coil, wholly encapsulated in a cylinder made from a glass reinforced resin specifically developed for chemical plant. The cylinder is simply placed over the drum.

    The complete absence of hot elements and the encapsulation of all electrical components enables unattended use, overnight if required. Thermosafe can even be used in hazardous areas Zones 1 and 2, as the heater is unique in possessing full IECEx and BASEEFA/ATEX certification. Uniform heating without hot spots reduces the risk of product degradation. Accidental spillage does not present a fire hazard and personnel can work comfortably in close proximity. Together, these features allow material to be heated at point of use, thus eliminating the transport of hot drums

    Grimwood Managing Director, Brian Walkington, said “We will continue to extend the product range. This will provide customers with the equipment that they need, to do the things they need to do.”


    20 July 2006

    Electronic Thermostats from Grimwood

    Grimwood Heating has launched the Eliwell range of electronic thermostats.

    Electronic Thermostats from GrimwoodThe Eliwell IC controllers are a complete range of multifunction devices with one operating point, designed to satisfy any application requirement in the sphere of temperature and process control for
    light industry.

    The current product lines are now to be found in a single range of devices in the standard Eliwell 32x74 size and incorporate in one single controller, all the best technological and application solutions that have distinguished Eliwell electronic controllers for years.

    Eliwell IC controllers offer the right response to the most demanding market requirements.

    The distinguishing features of the Eliwell IC controller are:

    • fast, easy installation
    • direct power supply 230V
    • standard parameter-selectable PTC or NTC temperature probes
    • front cover protection rating IP65
    • Copy Card functions for fast programming of parameters, standard on all models
    • programming menu with different protection levels

    As a launch special offer, Grimwood is providing these on their popular OTS “Over the side” range of heaters for no extra charge.

    Grimwood Managing Director, Brian Walkington, said “We will continue to extend the product range. This will provide customers with the equipment that they need, to do the things they need to do.”


    16 June 2006

    Duct Heaters from Grimwood

    Grimwood Heating Pty Ltd has launched a full range of electric duct heaters with both finned and unfinned elements.

    The duct heaters are available in capacities ranging from 500W to 50kW.

    • The duct heaters are available in capacities ranging from 500W to 50kWApplication Designed to be easily inserted into an opening in the duct wall.
    • Construction All duct heater assemblies consist of a terminal box fitted with the necessary elements, controls, and safety devices. All items are firmly anchored to the box and the elements are staggered to achieve maximum even heat dissipation to the air stream.
    • Electrical Connections 240 volt, single phase or 415/240 volt three phase in single or multiple stages as required.
    • Elements All elements are manufactured in accordance with AS 1668 and are constructed from either Stainless Steel or are nickel plated carbon steel to prevent fumes at start up and reduce corrosion with use in relatively high humidity
    • Element Supports To prevent flexing and add to safety levels all elements with a reach in excess of 400mm are fitted with supports.
    • Options For circumstances where corrosion is a potential problem stainless steel sheathed elements are recommended and can be retrofitted to existing systems if necessary.

    Grimwood Managing Director, Brian Walkington, said “We will continue to extend the product range. This will provide customers with the equipment that they need, to do the things they need to do.”


    24 May 2006

    Bio-diesel Heater from Grimwood

    Grimwood Heating Pty Ltd has launched a compact bio-diesel heater specifically designed for use in small scale production.

    Bio-diesel heater from Grimwood HeatingWith the ever rising cost of oil, many businesses and individuals are turning to alternatives. Small scale producers of bio-diesel blend ingredients such vegetable oil and animal fats to produce an environmentally friendly and low cost fuel. When using waste products such as used cooking oil, not only are they solving a waste disposal problem, they are conserving fossil fuel.

    The 2.4kW units fit through a standard 210 litre drum nozzle and are thermostatically controlled.

    The units are designed with low watts density to ensure that the oils being heated are not damaged by excessive temperatures due to localized overheating adjacent to the element sheath.

    They can also be used for heating other materials such as waxes, paraffin and resins.

    Grimwood Managing Director, Brian Walkington, said “We will continue to extend the product range. This will provide customers with the equipment that they need, to do the things they need to do.”


    10 May 2006

    Grimwood Extends the Range of their popular Do-it-yourself tubular elements

    Grimwood Heating Pty Ltd has extended their range of DIY elements to include higher operating temperature designs.

    These higher operating temperatures are made possible by the use of Nicrofer 7216 high temperature alloy materials from ThyssenKrupp VDM.

    DIY Tubular ElementNicrofer 7216 is a nickel-chromium-iron alloy characterised by:

    • good resistance to oxidation, carburisation and nitridation;
    • good resistance to stress corrosion cracking, at both room and elevated temperature;
    • good resistance to dry chlorine and hydrogen chloride;
    • good mechanical properties at sub-zero, room and elevated temperatures.

    DIY elements are annealed straight length elements designed for on-site bending and are ideal for custom built work, short runs and repairs to existing equipment. They are available with brazed on bushes, or users can elect to use separate brass compression bushes.

    Grimwood Managing Director, Brian Walkington, said “We will continue to extend the product range. This will provide customers with the equipment that they need, to do the things they need to do.”


    27 March 2006

    Grimwood Extends the Range of Withdrawable Immersion Heaters

    Grimwood Heating Pty Ltd has extended their range of withdrawable heaters to include higher Watts density designs.

    These higher Watts densities are made possible by the use of Nicrofer 7216 high temperature alloy materials from ThyssenKrupp VDM, heat treatment of the immersion tube and the application of Computational Fluid Dynamcis, Statistical Thermodynamics and Finite Element Analysis to better understand the heat transfer process.

    Withdrawable heaters are typically used in applications where it is necessary to limit the temperature to which the heated fluid is exposed. This is important in heating oils, polymers, heat transfer fluids, food and in fermentation processes. Withdrawable heaters are also used where it is essential to be able to remove the element without emptying the tank, such as on shipboard tanks, sullage tanks and waste water treatment applications.

    Grimwood Managing Director, Brian Walkington, said “We will continue to extend the product range. This will provide customers in the region with the equipment that they need, to do the things they need to do.”

    Withdrawable Immersion Heater


    8 March 2006

    Grimwood Heating Extends the Range of IECEx Certified Flameproof Heaters

    Grimwood Heating Pty Ltd has extended their range of certified flameproof flanged immersion heaters.

    The extension of the range, to include 350NB and 150NB sizes, provides increased opportunities for users to ensure their installations are IECEx compliant.

    The IECEx scheme for equipment for use in explosive atmospheres currently operates in many countries including Australia and New Zealand and will become the global standard as individual countries phase out national standards, which can represent barriers to international trade.

    Flameproof HeaterThe on going product development program at Grimwood cements their position as the world leader in its field. Grimwood is the first, and currently only company worldwide holding Certificates of Conformity for this class of product.

    Grimwood Managing Director, Brian Walkington, said “We will continue to extend the product range. This will provide customers in the region with the equipment certified for explosive atmospheres that they need to protect their people, assets and neighbours.”


    16 August 2005

    Grimwood Heating Gains IECEx Certification

    At last Australian industry now has a local choice when it comes to ensuring that their hazardous area electrical heating requirements are met. Until now the only choice has been to import equipment from the UK, or to continue using equipment not fully complying with current requirements.

    Since completing a management buyout of the Electrolux Element and Tube business in October 2003, the team at Grimwood Heating has worked closely with Simtars and implemented the required quality system to gain IEC certification for the design and manufacture of Ex d heaters.

    IECEx CertificationThe Grimwood range of flanged immersion heaters can now be manufactured to provide hazardous area protection for users in the Asia Pacific region. Depending on the location and operating environment, units can be made in either carbon steel or stainless steel.

    The benefits of using locally designed and manufactured product fully complying with hazardous area requirements are shorter supply chains and lead times, quicker and clearer communication, and knowing the your dollars are staying in Australia.

    Grimwood Electrical Products was formed over 50 years ago specialising in the manufacture of industrial electrical heating, after being bought by Email in the 1970s it became absorbed into Email Limited’s Appliance Group, which was acquired by Electrolux Home Products in 2001. Now once again an independent local operation, the organisation has retained the accumulated knowledge and heritage of the original Grimwood.

    The focus of Grimwood today is on providing customers who value quality with products they can trust on short lead times and with reliable service.

    Managing Director Brian Walkington recently said “The choice is now easy for people who value quality and doing the job right. Our team at Grimwood can provide the only legitimate local solution for electric heating in hazardous areas.”

     


    Grimwood Heating Pty Ltd
    PO Box 4 Villawood NSW 2163 Australia
    Phone +61 2 8717 0225 Fax +61 2 8717 0284
    Website www.grimwoodheating.com.au