Following are a number of the generally used 316 Stainless Steel cartridge heaters, please click the dimensions to go to the correct specification page. Also, the heaters would be culture for different sizes, calories and voltage, while you need, please touch 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 8 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 need extra size,please hyperlink right here to find:Tube Dia. 6-9mmTube Dia. 9 Dia. 12 Heater 8/270mm/280mm/290mm/300mm Heating Element 316SS 220V/110V/380V Single Head Heater Pipe 900W-1000W 2pcs Specifications: Product Name: Cartridge HeaterMaterial: 316 Stainless SteelTube Diameter: 8 Length: 265mm/270mm/280mm/290mm/300mmWire Length: 300mm(11")Power: 900W-1000WVoltage: 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 capturing Machine,packaging machinery,flat vulcanizing machine, and so on spot is rarely relevant to liquid and air heating, non-standard merchandise can touch us for custom. 2. How to come to a decision the proper 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 detrimental 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 client prompted the mistake, the company doesn't help the return. Instructions for use:1. Before use, please measure the power on multimeter. If there is no discipline after measured then could be installed. If there is not any power, please touch with us. The cartridge heaters should be connected with the correct wiring method, wiring mistakes can cause gradual heating or damage two usual wiring tips of shoppers are as follows: SHIPPING NOTICEAll programs from our shop 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 inside 24 hours REFUND or RESENDIf items now not acquired or damaged,please cooperate with us to take photographs once you achieve it, then provide us the evidence,we will refund or resend a brand new one to you,thanks FEEDBACKAny questions please be at liberty touch with us before you leaving a feedback,we will attempt the finest that may enable you to remedy it Immediately.