graham corporation - welcome to wesmech technical … · 2011-12-22 · clean steam ¾ filtered –...
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Graham Corporation
Founded in 1936Headquartered in Batavia, NYManufacturing in Batavia Financially strong, growth drivenTrading as GrahamCp on the American Stock Exchange400 employees
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Graham Corporation
Design & manufacture vacuum & heat transfer equipmentSeventy years of historyOver thirty engineers on staff with an average of 15 years experience specializing in these fieldsLeader in organizations like HTRI,TEMA and API
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Coiled Tube Technology
In 1935 Graham invented the coiled tube technology for transferring heat from one fluid to another.
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Coiled Tube Bundle
Most compact heat transfer surface utilizing tubesSpiral affect increases heat transfer rateDifferential thermal expansion is okayHeliflow brand heat exchangers
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Standard Plant Steam
Contains trace amounts of boiler feed chemicalsSulfites of hydrazine for Oxygen removalAnti-scaling compoundsCorrosion control chemicals
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Clean Steam
Filtered – Plant steam filtered at 5 microns. May contain boiler chemicals.Clean Steam – No boiler chemicals used. Often uses deionized or distilled feed waterPure steam – Produced from deionized or distilled, pharmaceutical quality water
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Applications
Equipment sterilizationClean in place systemsAutoclavesDirect injection heatingEquipment wash down stationsHumidification
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Clean Steam Generator
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Graham Advantage
Hot side & cold side independently optimizedBoiling side velocities are optimized by adjusting the coil spacingPressure drops minimized by increasing the coil spacing
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Graham Advantage
A reduced possibility of leakage due to the minimum number of jointsThermal expansion and shock problems eliminated due to the spring like coil.A proven track record over 60 years of service
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Graham Advantage
High efficiency coiled tube bundleCompact footprintGenerous steam disengaging areaBottom drop-down accessStandard Package designs
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Materials of Construction
Shell or clean steam side- Standard: Carbon
steel- Optional: 316SS
Tube or plant steam side- Standard: Copper- Optional: 316SS
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Clean Steam Generator
Heliflow type coiled tube bundle with drop down arrangement
Insulation blanketASME construction
& stamp- 50 psi shell / 150 psi tubes
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Clean Steam Generator
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Standard Components
Steam control valve – pilot operatedTraps & Strainers
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Standard Components
Level controller -electronicGage GlassFeed valve –solenoidHigh water shutoffPressure relief valve
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Standard Components
Control Panel – Remote start/stopProgrammable w/ screen adjustable displayInterface with building management systemOn-Off lights, high/low pressure, blow down, low/high water w/ alarms, water feed
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Standard Components
Boiler Blowdown -automaticControls TDSTimed & SampleControl systemSeparator & CoolerSteel constructionDirect contact cooling
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Installations
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Information Required to Quote
Steam supply pressure: ______ psigSupply water temperature:______ deg FSteam pressure required: ______ psigSteam Capacity Required: ______ lbs/hrMaterials:Shell: Steel / 316SS ______Tubes: Copper, 316SS ______
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Dry Vacuum Pump
Steam Jet Ejectors
Liquid Ring Pump System
Turbine Exhaust Condenser
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Heliflow Heat Exchanger
Plate & Frame Heat Exchanger
Instantaneous Hot Water Heater
Multimedia Presentation “Vacworks”
Steam Generator
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THE END