Following are among the many generally used 316 Stainless Steel cartridge heaters, please click the dimensions to go to the right specification page. Also, the heaters can be custom for different sizes, energy and voltage, once 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 would like extra size,please link right here to find:Tube Dia. 6-9mmTube Dia. 9 Dia. 12 Heater 9x190mm/195mm/200mm/210mm/220mm 690W-800W Heating Element 316SS 220V/110V/380V Single Head Heater Pipe 2pcs Specifications: Product Name: Cartridge HeaterMaterial: 316 Stainless SteelTube Diameter: 9mmTube Length: 190mm/195mm/200mm/210mm/220mmWire Length: 300mm(11")Power: 690W-800WVoltage: 110V/220V/380VPackage: 2pcs/lot 9mm 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 isn't relevant to liquid and air heating, non-standard merchandise can contact us for custom. 2. How to determine 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 unfavourable 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 confirm the categorical parameters earlier than ordering the customer prompted the mistake, the corporate doesn't assist the return. Instructions for use:1. Before use, please measure the power on multimeter. If there is no challenge after measured then would be installed. If there's no power, please contact with us. The cartridge heaters should be connected with the correct wiring method, wiring errors can cause gradual heating or harm two traditional wiring methods of consumers are as follows: SHIPPING NOTICEAll applications 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 within 3-5working daysAll emails is probably replied within 24 hours REFUND or RESENDIf items no longer acquired or damaged,please cooperate with us to take pictures once you get preserve of it, then reward us the evidence,we will refund or resend a new one to you,thanks FEEDBACKAny questions please feel free touch with us before you leaving a feedback,we will attempt the finest to help you clear up it Immediately.