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Factory Custom Industrial Rod Cartridge Heater Resistance Pencil Heater¹

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Product Description Factory Custom Industrial Rod Cartridge Heater for Mold Immersion Heating Our cartridge heater consists of a robust cylindrical stainless steel tube, ensuring exceptional corrosion resistance. Inside, a meticulously wound heating wire is coiled around a premium ceramic core, forming the heart of this high-performance heater.The coil count is tailored to the heater's power specifications, ensuring optimal heat distribution and prolonging heater lifespan. This design also minimizes oxidation of the heating wire, even at elevated temperatures. Whether heating solids, liquids, or gases, our cartridge heaters excel in transferring heat swiftly through conduction, provided they are in direct contact with the heat sink. Ideal for manufacturing plastic and rubber components in the automotive industry, these heaters are equally vital in food processing, chemical, electronics, medical equipment, packaging, and nuclear industries. Beyond our extensive standard range, we specialize in custom-developing and manufacturing cartridge heaters tailored to meet your unique specifications.Cartridge heaters feature a crimped-on or swaged-in construction, incorporating a high-grade nickel-chromium resistance wire for exceptional performance.This wire is meticulously wound around a superior-quality MgO core, which is perfectly centered within a stainless steel casing. Cartridge heaters are designed for diverse heating applications, including metal parts and liquid heating when equipped with threaded bushings. Capable of achieving metal temperatures up to 760°C, these heaters deliver optimal performance with the right material, watt density, and fit selections.Performance capabilities: 1. Part temperatures reaching up to 1400°F (760°C) with an alloy 800 sheath2. Watt densities up to 40W/cm23. Maximum operating voltage up to 480VAC, Minimum voltage as low as 5VAC4. Minimum diameter as small as 3mm5. Maximum diameter up to 35mmBenefits: 1. Easy and economical installation2. Constructed with premium materials3. Enhanced heat transfer efficiency4. Effortless maintenance5. Uniform temperature distribution6. Resistant to oxidation and corrosion7. Exceptional durability8. Certified by TüV Rheinland (CE certification) Technical Details: 1. Tube diameter: Φ3mm-Φ30mm2. Tube Material: SS304; SS316, SS321, NICOLOY800, etc.3. Insulation Material: High-purity MgO4. Resistance wire element: Ni-Cr or FeCr5. Lead Connection Options: Crimped or Swaged leads6. Lead and Type of Connection Leads: 10" Fiberglass StandardWire Options: Silicone High Temperature Fiberglass. Specification of Cartridge Heaters:Sheath materialSS304.321.316L,Incoloy800.840,TitaniumInsulation materialHigh-purity MgOResistanceNi-Cr or FeCrMaximum voltage480VACWattage densityhigh/middle/low(5-40w/cm2)Wattage tolerancestoloerance :+5% -10%DimensionalDiameter: Min. dia:3mmLength: Customized Lead optionsCrimped- on / Swaged- inLead typesSwage fiberglass insulation nickel wire ( 750°C )Crimp on silicone lead ( 250°C ) Crimp Silicon insulated wire ( 200°C )Crimp fiberglass insulation nickel wire ( 450°C )InternalType J or K available thermocoupleLead protection optionsStainless steel braidStainless steel flexible hoseother optionsBent heaters, in no-heat section, up to 90° anglemounting flange Feature: Common cartridge heaters can be divided into two types based on density: 1. High Power Density: Heat area surface power 10~25 W/cm2Working temperature ≤ 450°C2. Middle to Low Power Density: Heat area surface power 5~11 W/cm2Working temperature ≤ 300°CVoltage: 12~250V (or as per requirement)High Density Construction:High-quality stainless steel construction ensures long-lasting protection, even in the most demanding industrial environments.Protected with a stainless steel sheath, the watt density can reach 50 W/cm2 and the operating temperature can go up to 800°C.More Photos of Our Cartridge Heaters:Factors - How to Choose the Right Cartridge Heaters: Consider the following factors to select the right cartridge heater:1. Operating temperature2. Watt density of the heating element3. Sheath material (corrosive or non-corrosive)Temperature of the corrodentDegree of aeration of exposed corrodentVelocity of the corrodentDimensional Data: (This table shows minimum and maximum sheath lengths for available diameters.) Diameter Length NormalActualMin Maxin.in.mminmminmm1/80.1223.17/822.2123051/40.2466.37/822.2369153/80.3719.47/822.24812201/20.49612.67/822.26015205/80.62115.81257218303/40.74618.912572183010.99625.31 1/432721830 (Indicates recommended maximum sheath length; however, longer lengths may be available.)Termination Options: 1. Swaged-in Flexible Leads: Swaged-in flexible leads with silicone-fiberglass insulation are recommended for applications where the leads must be bent at the exit point from the heater.Unless a longer length is specified, 250mm(10 in.)leads are supplied.Heaters 150mm(6 in.)or shorter generally have a 6mm(1/4 in.)no-heat section. Heaters up to 250mm(10 in.)require a 25mm(1 in.)no-heat section. Heaters greater than 250mm may require more than a 25mm no-heat section. To order, please specifyswaged-in flexible leads. 2. Right Angle Leads: Right angle leads are used in applications with a high degree of flexing and when space limitations are critical. Lead wires exit at a 90° angle through the side of the heater sheath.A right-angle tube may be necessary for certain constructions. To order, specifyright angle leadsand lead length. Diameter mmMin No-Heat Length mm(in.)6.515 (9/16) 15 (9/16)108.017 (2/3)12.518 (11/16)16.020 (3/4)20.021 (13/16) 3.Premium Stainless Steel Braid Our robust stainless steel braid is meticulously designed to safeguard leads from abrasion against sharp edges, ensuring durability and reliability.For different lead exit configurations, we offer tailored solutions: When leads exit straight out, the braid is swaged into the no-heat section of the heater. For right-angle exits, a crimp connector firmly attaches the braids, providing seamless integration.Unless otherwise specified, our standard leads measure 250 mm(10 in.)in length. The braid is 200 mm(8 in.)long. To customize your order, please specify your preference for straight or right-angle stainless steel braid,lead length, and no-heat section requirements. DiameterMin. No-Heat LengthStraightRight Angle mmmmmm (in.) (in.) 6.530 (1 1/8) N/A8.030 (1 1/8)15(9/16)10.030 (1 1/8)17(2/3)12.530 (1 1/8)18(11/16)16.030 (1 1/8)20(3/4)20.030 (1 1/8)21(13/16) 4. Durable Stainless Steel Hose Our stainless steel hose provides superior protection against abrasion from sharp edges or abrasive equipment. It also ensures ease of handling and streamlined wiring in demanding environments.For right-angle lead exits, the hose is securely silver soldered to the sheath. Unless otherwise specified, standard leads are 250 mm(10 in.) in length and the hose measures 200 mm(8 in.) in length. To order, please specify stainlesssteel hose,lead length, and no-heat section. Min. No-Heat LengthDiameterStraightRight Angle mmmmmm (in.) (in.)6.530 (1 1/8) N/A8.030 (1 1/8)15(9/16)10.030 (1 1/8)17(2/3)12.530 (1 1/8)18(11/16)16.030 (1 1/8)20(3/4)20.030 (1 1/8)21(13/16) 5. Galvanized Conduit Protection Our galvanized conduit offers protection equivalent to stainless steel hose against abrasion.The conduit is attached with a 90° elbow copper coupler, securely overlapping the heater sheath. Unless specified, we provide a standard 200 mm(8 in.) conduit, with leads 50 mm longer than the conduit. To order, specifygalvanized conduit,lead length, and no-heat section. Min GalvaniDiamDimensioDimensiozedNo-Heatetern An BconduitLengthmmmm(in.)mm(in.)O.D.mm(in.) mm(in.) 6.512(7/16)22(7/8)29(1 1/8)10(3/8)8.012(7/16)22(7/8)29(1 1/8)10(3/8)10.012(7/16)22(7/8)29(1 1/8)10(3/8)12.512(7/16)28(1 1/8)30(1 3/16)14(1/2)16.012(7/16)28(1 1/8)34(1 5/16)14(1/2)20.012(7/16)29(1 1/8)36(1 7/16)16(5/8) 6. High-Temperature Ceramic Bead Insulation Our ceramic bead insulation offers exceptional protection for leads in high-temperature environments above 450°C(840°F). The ceramic beads fit over solid conductors and extend to cooler areas where flexible wires can be securely attached. To order, specifyceramic beads and length,and additional lead length requirements. 7. Versatile Stainless Steel Flanges Our stainless steel flanges provide both a convenient mounting method and an effective way to position heaters within applications. Flange style and specifications are tailored to customer requirements. These flanges can be positioned in any no-heat section of the heater sheath. To order, specifyflange, flange size, and location. . Immersion Cartridge Heaters for Liquid Applications:For liquid immersion heating applications, we recommend using brass or stainless steel threaded bushings.The size of the threaded bushing is matched according to the pipe diameter. Available specifications include G thread, NPT thread, and BSPP thread , among others. Step-by-Step Guide to Installing Cartridge Heaters:1.Create a precise hole in the section to be heated.2. ream a smooth hole for optimal contact and enhanced heat transfer3. extend the hole through the section to facilitate easy removal of the unit when necessary.4. if making a through hole is not feasible, increase the hole size within the acceptable tolerances5. Minimize vibration and flexing of the lead wires to extend the service life6. prevent liquid contamination by protecting the heater's end When ordering Cartridge Heaters, please provide the following details :1. Type of Cartridge Heater(please refer to Termination Options)2. Diameter of Cartridge Heater3. Overall length of the straight Cartridge Heaters4. Wattage and Voltage5. Type of Lead(glass fibre / PTFE)and lead length. FAQ (1). Q: Can you offer a discount? A: It depends on the quantity. The larger the quantity, the greater the discount.(2). Q: How can I obtain a sample? A: For most products, samples can be sent free of charge if the quantity is small, with customers covering the shipping costs. Alternatively, provide your DHL, FEDEX, EMS, or UPS account number. For larger quantities, a sample fee may apply.(3). Q: Why is your price higher than other Chinese suppliers? A: We focus on producing high-quality, high-performance products to build long-term, amicable relationships with all customers.While our prices may not be the lowest, the cost performance is the highest.(4). Q: How do you ensure the quality of mass production matches the sample sent to me? A: Our warehouse team keeps an identical sample marked with your company name before sending the original to you, ensuring consistent production quality.

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