Following are among the commonly used 316 Stainless Steel cartridge heaters, please click the scale to visit the proper specification page. Also, the warmers can be custom for various sizes, energy and voltage, everytime you need, please contact with us freely. 6mm Tube DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mm 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 DiameterLength25-35mm38-48mm50-60mm62-75mm80-95mm98-115mm120-135mm140-160mm165-185mm190-220mm225-255mm265-300mm320-360mm380-500mmIf you wish more size,please link here to find:Tube Dia. 6-9mmTube Dia. 9 Dia. 12 Heater 8/195mm/200mm/210mm/220mm 650W-750W Heating Element 316SS 220V/110V/380V Single Head Heater Pipe 2pcs Specifications: Product Name: Cartridge HeaterMaterial: 316 Stainless SteelTube Diameter: 8 Length: 190mm/195mm/200mm/210mm/220mmWire Length: 300mm(11")Power: 650W-750WVoltage: 110V/220V/380VPackage: 2pcs/lot 8 Cartridge Heater Pay attention: Power Allowance -10%~+5% Shopping Tips: 1: Suitable for abrasives heating. Common Application Industry:Core shooting Machine,packaging machinery,flat vulcanizing machine, and so on spot is never relevant to liquid and air heating, non-standard merchandise can contact 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 categorical parameters earlier than ordering the customer precipitated the mistake, the corporate would not assist the return. Instructions for use:1. Before use, please measure the ability on multimeter. If there isn't any difficulty after measured then can be installed. If there is not any power, please touch with us. The cartridge heaters must be related with the correct wiring method, wiring errors can cause slow heating or harm two traditional wiring tips of customers are as follows: SHIPPING NOTICEAll packages 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 within 3-5working daysAll emails may be responded inside 24 hours REFUND or RESENDIf goods no longer obtained or damaged,please cooperate with us to take photographs once you obtain it, then reward us the evidence,we will refund or resend a brand new one to you,thanks FEEDBACKAny questions please feel free touch with us before you leaving a feedback,we will attempt the best that will enable you to resolve it Immediately.