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Fabricant : Watlow Electric
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Nom Fichier : 53979f50-3952-40b5-ad75-9a709d09f025.pdf
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Facilité d'utilisation
FREEFLEX® heats fluids up to 100°C (212°F) and maintains temperature during transfer from a reservoir to a point of use. In some applications, the tubing can actually serve as the reservoir for limited volumes of fluid, helping to reduce start-up times. For higher temperatures consult the factory. Watlow’s innovative design places the heating element and sensor directly in contact with the perimeter of the tubing to produce efficient, responsive heating and temperature control of the tube contents. The element is evenly wound to ensure reliable, close contact for uniform heating along a portion or the entire length of the line. A flexible, durable jacket covers the wound element and lets the tubing flex and move in a dynamic system. This allows for fluid delivery to multiple locations from a single supply source. In stationary applications, the FREEFLEX heated tubing is conveniently routed through available space or around other system components. This saves space and provides for an uncomplicated retrofit in existing systems. The superior construction employs an efficient heating element design with the ability to incorporate optional thermocouple, thermistor or RTD temperature sensors into the thermal package. Users can select leads to exit one or both ends of the assembly. Typical standard Teflon® tubing comes in 1.32-, 1.16-, 1.8-or 3.16-inch (0.792, 1.59, 3.18, 4.76 mm) inside diameters, although other sizes and materials are available. Applications • Medical: automated clinical analyzers, tissue processing equipment • Analytical: sample preheating for LC and HPLC systems, breathalyzers • Semiconductor processing: wafer drying equipment, DI water heating • Printing: ink jet printers, rapid prototyping systems, photolithography • General Process: wax/paraffin processing and non-combustible gas heating • Water purification systems • Precision cleaning equipment • Aerospace • Military Features and Benefits Flexible heat-up and transport system • Eliminates the need for heated reservoir systems in many applications Heating element directly contacts tubing • Provides fast, efficient more responsive heating Three configurations available • FREEFLEX design - allows tubing to flex, coil or bend around system components • Pre-formed design - allows longer tube length in smaller volume • Molded design - provides a compact heating assembly for easy installation Integral sensors • Maintains close control of heater and fluid temperatures Low voltage design • Promotes safety Miniature sizes as small as 1.32 inch (0.792 mm) inside diameter • Transports and heats fluids in even the smallest spaces Convenient retrofit • Allows for routing flexible tubing around system components and using existing control system UL® recognition • Available on qualified designs by request 2101 Pennsylvania Drive Columbia, Missouri 65202 USA Phone: +1 (573) 474-9402 FAX: +1 (573) 474-5859 Internet: e-mail: info@watlow.com COL-FFLX-0505 Teflon® is a registered trademark of E.I. du Pont de Nemours & Company. UL® is a registered trademark of Underwriter’s Laboratories, Inc. © 2007 Watlow Electric Manufacturing Company Quote and Ordering Information For a quote, please request, fill out and return a FREEFLEX application data sheet. To order, please specify: Fluid Type Inlet Temperature Outlet Temperature Flow Rate Voltage - Typically less than 36 volts Watts/ft - See chart below for typical values Maximum Allowable Outside Surface Temperature Tube Size • 1.32 in. (0.792 mm) I.D. x 1.16 in. (1.59 mm) O.D. • 1.16 in. (1.59 mm) I.D. x 1.8 in. (3.18 mm) O.D. • 1.8 in. (3.18 mm) I.D. x 3.16 in. (4.76 mm) O.D. • 3.16 in. (4.76 mm) I.D. x 1.4 in. (6.35 mm) O.D. • Other (specify size) Tube Material • Teflon® (standard) • Silicone rubber • Others upon request Tube Length - 12 to 120 in. (305 to 3048 mm) typical • Total • Heated • Unheated (specify) Tube Fittings • No fittings (1 in. (25 mm) bare tubing at each end) • Other (specify) Tube Flexing • Static (to route around components in system) • Dynamic (subject to more continuous flexing) • Occasional, frequent or continuous Note: Minimum recommended flexing radius • 1.32 in. (0.792 mm) I.D. x 1.16 in. (1.59 mm) O.D. Teflon® 1 in. (25 mm) • 1.16 in. (1.59 mm) I.D. x 1.8 in. (3.18 mm) O.D. Teflon® 11.2 in. (38 mm) • 1.8 in. (3.18 mm) I.D. x 3.16 in. (4.76 mm) O.D. Teflon® 2 in. (51 mm) • 3.16 in. (4.76 mm) I.D. x 1.4 in. (6.35 mm) O.D. Teflon® 3 in. (76 mm) Heater Leads • One at each end • Both at one end • Standard lead insulation (UL® Style 1180 white Teflon®) • Other insulation (specify) Heater Lead Length • Standard 12 in. (305 mm) w/customer end stripped/tinned 1.2 in. (13 mm) • Other (specify) Heater Lead Exit Direction • Inboard/outboard Temperature Sensor • Standard thermocouple (#30 AWG Teflon® -Type J) • Thermistor (specify) 10K. at 25°C (72°F) standard • Other temperature sensors size/types (specify) • Sense heater element or tube temperature Sensor Lead Exit Direction • Inbo...