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™. HTO Pump Line. HTO 80 120 180 300 HTO Pump – How It Came To Be. The HTO 80 was developed in the early 1990’s… Developed to pump hot oil thru commercial food preparation equipment Led to our patented design HTO pump line has grown into the four models used today

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HTO Pump Line


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    Presentation Transcript
    1. HTO Pump Line

    2. HTO 80 120 180 300HTO Pump – How It Came To Be • The HTO 80 was developed in the early 1990’s… • Developed to pump hot oil thru commercial food preparation equipment • Led to our patented design • HTO pump line has grown into the four models used today • HTO products serve in multiple markets today • Tempuflo™ is a registered trademark representing the HTO series of pumps.

    3. HTO 80 120 180 300HTO Pump – Standard Construction • Ductile Iron construction • Carbon vs. Silicon Carbide mechanical seal (carbon/Ni-resist/Viton for applications <425°F) • Viton elastomers • Discharge port can be mounted in the vertical or horizontal position • NPT threaded ports on HTO 80 and HTO 120 (ANSI 150# flat flanges available) • ANSI 150# flat flanges on HTO 180 and HTO 300 • Offered as a close coupled unit with standard NEMA “C-face” motors, PumPak®, or with a pedestal mounted bearing unit

    4. HTO 80 120 180 300HTO Pump – Design Features Patented design utilizes: • Close coupled for a compact and light weight design • Hollow carbon graphite isolator bushings • Hollow sleeve design • Air cooled by integral fan/clamp • No need for water cooling jacket or seal flush • Process temperatures up to 650°F • Design which prevents the process heat from leaving the system to save energy, space, and cost without using cooling water

    5. Finned seal housing. Seal oil temp.< 350°F. Integral fan clamp blows across finned seal housing. HTC carbon fiber gaskets. HEAT Carbon graphite isolator bushings HEAT COOL Process oil temp. < 650°F Close clearance throttles down fluid flow to seal chamber. Thin section minimizes heat transfer. Insulating air pocket. Viton o-ring to seal air pocket. (3) 5/16” cap screws to minimize heat transfer. HTO 80 120 180 300HTO Pump – How It Works

    6. HTO 80 120 180 300HTO Series – Seal Cooling Performance

    7. HTO 80 120 180 300HTO Series – Quick Reference Chart * PEDESTAL MOUNT ALSO AVAILABLE

    8. HTO 80 120 180 300HTO Pump – Sales vs. Competition • Cost leader vs. competition • Compact size requires less space than competition • No cooling water needed, reduces auxiliary equipment, and opportunity for oil/water mixing • Close coupled-no shaft alignments-less hassle • No sleeve bearings to wear out • Impeller is closer to supporting bearing • Less heat transferred out of the system; less energy required to be replaced

    9. HTO 80 120 180 300HTO Pump – Reliability – Longer MTBF • Lower temperatures in the seal cavity greatly improves mechanical seal life • HTO pumps lower seal cavity oil temperatures (<350°F) • Coking between faces accelerates seal wear and shortens seal life • Lower temperatures, less coking, longer seal life, longer MTBF • Longer MTBF, less maintenance costs • HTO pumps provide several thousands of hours service life between rebuilds.

    10. Asphalt Chemical Electronics Food Heat Transfer Metals Mining Paper Pharmaceuticals Plastics Recycling Renewable energy Rubber Wood HTO 80 120 180 300HTO Pump – Markets Served

    11. HTO 80 120 180 300HTO Pump – System Applications • DRYERS- used to evaporate liquids from solids (mining, food, printing, paper). • EXCHANGERS- transfer of energy between fluids of differing temperatures (chemical, pharmaceutical, plastics, metals, polymers, melting). • LINE TRACING- hollow tube or jacket on outside of pipe to keep material inside warm (plastics, asphalt, food). • MIXERS- outside of mixer is heated with hot fluid keeping material viscous (chemical, food, pharmaceuticals). Picture courtesy of Liquid Process Systems, Inc.

    12. HTO 80 120 180 300HTO Pump – System Applications • MOLDS– keeps plastic molds hot allowing material to flow evenly through mold cavities. • OVENS – used on hot oil moving through cooking/baking coils. • PRESSES – platens are heated for bonding (plywood, rubber, circuit boards). • ROLLS– Hot oil circulates through rolls that press and bond laminates. • TANKS / VESSELS – Hot oil circulates through jackets around holding tanks. Picture courtesy of SBS Corporation

    13. HTO 80 120 180 300HTO Pump – Markets Served HTO markets to expand: • Asphalt plants – there are approximately 3600 asphalt plants in the United States and over 90% of our countries 2 million miles of roads are asphalt • Laminating processes – laminated countertop, floor coverings, furniture, and wood door manufacturers • Recycling – recycling processes ranging from oil to tires • Solar energy – heat transfer fluid moving heat thru the system

    14. HTO 80 120 180 300HTO Series – Frequently Asked Questions Q: How can I pump hot oil above 400°F and have a Viton fitted seal survive? A: The seal in the HTO pump runs in a cooled environment where the temperature will be less than 350 degrees. Q: When the pump is stopped at temperature will the seal temperature spike? A: Even though the seal is cooled by a fan attached to the shaft when the pump is stopped the seal temperature will not spike. The seal cavity temperature will fall due to the low thermal conductivity isolation system. Controlled temperature ramp down is not required. Q: Can the pump be mounted vertically? A: Yes but the seal cavity may need to be vented on cold startup to remove the air trapped inside so that the seal does not run dry. Q: Where should the pump be installed in the system? A: The HTO pump should be installed downstream of the heating load and at a low elevation point in the system where the flow leaving the pump will be pumped into the heater. Isolation valves for the pump are recommended.

    15. HTO 80 120 180 300HTO Series – Frequently Asked Questions (cont.) Q: Will the motor bearings be affected by the heat from the pump? A: The ball bearing will have a higher temperature than when installed onto a conventional pump. In most cases the bearing temperature will not exceed 180°F Q: On initial start-up will the seal run dry? A: No, but there will be air inside the seal cavity that will move out into the normal process flow path over time. The best system fill technique is to bottom fill the system to remove the most air during the fill. Q: Can the pump be insulated? A: Yes, but only the pump housing as the rest of the pump needs to have air circulate over it for cooling. Q: Can the pump be mounted inside a closed cabinet? A: Yes, but the temperature inside the cabinet must not exceed the operating temperature of the electric motor. Good practice is to ventilate the cabinet at the fan cover of the motor for inlet air and locate exhaust vents near the pump housing. Higher ambient temps will increase the seal temperature.

    16. HTO 80 120 180 300HTO Series – Frequently Asked Questions (cont.) Q: Can the HTO pump be used in applications where the process temperature varies? A: Yes, the seal temperature will not vary as greatly as the process because of the isolation design. Q: Is MTBF predictable? A: Every application is different including the quality of the oil. MTBF can be monitored initially and then it should be repeatable assuming that the oil and other system parameters are consistent. Q: How important is oil quality to the life of the pump seal? A: The quality of the oil is as important to the seal as dirt and contamination is to a ball bearing. If the process is made to conform to the oil manufacturers recommendations seal life may approach several years of continuous use. Q: Can the HTO pump be operated at 1750 RPM’s? A: Yes, while the speed at which the integral fan clamp is turning is slower, it still moves enough air across the seal housing to remove an acceptable amount of heat. It is important to remember that due to the design of the pump the isolator bushings are the major factor in protecting the mechanical seal against the high process temperature.

    17. Webinar Series Continues • Coming in January 2012 is our second webinar featuring our Petroleum pump line. • Specifically designed for use in the Petroleum industry. • Three different models within the line for use with Bio-diesel, Fuel Oil, Diesel, Gasoline, Avgas, Kerosene, Jet A/8, Ethanol, and E85. • Available in standard end suction and self-priming. • Check out the Petrolmaxx line under the “Products” tab on our website, www.mppumps.com.

    18. HTO 80 120 180 300HTO Series 80 – Exploded View