Following are among the generally used 201 Stainless Steel cartridge heaters, please click the size to go to the correct specification page. Also, the heaters could be culture for various sizes, energy and voltage, everytime you need, please contact with us freely. 6mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm40-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 7mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 8mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm eight Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 9mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500m If you would like extra size,please hyperlink right here to find:Tube Dia. 6-9mmTube Dia. nine Dia. 12 Dia. 17-25mm 5pcs Cartridge Resistors 9mmX190mm/195mm/200mm/210mm/220mm Resistance Single-End Electric Heat Pipe 430W/440W/450W/470W/500W Specifications: Product Name: Cartridge HeaterMaterial: 201 Stainless SteelTube Diameter: 9mmTube Length: 190mm/195mm/200mm/210mm/220mmWire Length: 300mm(11")Power: 430W/440W/450W/470W/500WVoltage: 110V/220V/380VPackage: 5pcs/lot 9mm Cartridge Heater Pay attention: Power Allowance -10%~+5% Shopping Tips: 1: Suitable for abrasives heating. Common Application Industry:Core taking pictures Machine,packaging machinery,flat vulcanizing machine, and so on spot is not applicable to liquid and air heating, non-standard merchandise can touch us for custom. 2. How to make your intellect up the right specifications? 1)Voltage: (110V/220V/380V/12V/24V and so on)2)Wattage: (there is error -10% - +5%)3)Tube Diameter:(The default diameter is a damaging tolerance. For example:10mm is 9)Tube Length: (The default diameter is +/-2mm)5) High Temperature Line:(Default 300mm) 3. About Non-standard customization Instructions:Please verify the specific parameters before ordering the shopper brought on the mistake, the corporate does not assist the return. Instructions for use:1. Before use, please measure the power on multimeter. If there isn't any situation after measured then could be installed. If there isn't any power, please touch with us. The cartridge warmers must be related with the proper wiring method, wiring errors may cause sluggish heating or injury two typical wiring tricks of shoppers are as follows: SHIPPING NOTICEAll applications from our store are registered site: 17track/en, PAYMENTVISA,Mastercard,WESTERN UNION,Maestro,Bank Transfer,QIVI WALLET,WebMoney,Boletol,PayPal WARRANTY SERVICEDelivery Time:Ship out inside 3-5working daysAll emails can be answered within 24 hours REFUND or RESENDIf goods now not received or damaged,please cooperate with us to take photographs once you receive it, then present us the evidence,we will refund or resend a fresh one to you,thanks FEEDBACKAny questions please feel free contact with us earlier than you leaving a feedback,we will attempt the best to help you remedy it Immediately.