Product Name: Mini DC 12 Volt Vacuum Pump (DC brushless motor) Model NO.: TF30B-D Structure: Diaphragm Vacuum Pump,Suction Motor: DC Brush, Brushless, Coreless Brushless Lifetime: 15000hour,10000hour,3000hour,1000hour Materials: Pump Head Nylon, Membrane EPDM / PTFE, Valve EPDM Voltage: 6V,12V,24V Vacuum: 65kpa Trademark: TOPSFLO Transport Package: Standard Export Packing or OEM Packing Specification: CE, IEC, RoHS Origin: China HS Code: 84137090 Product Description Mini DC 12 Volt Vacuum Pump (DC brushless motor)Product Description:TOPSFLO micro diaphragm pumps and vacuum pump are based on a simple principal, the circular power from the motor is converted into oscillating movement by an eccentric, which moves up and down its central point, this motion is then transferred to a diaphragm by means of a connecting rod, an elastic diaphragm, which in conjunction with an inlet and outlet valve creates a pumping action.Our Micro Diaphragm Pumps are available with a choice of four different drive motors.A- Premium duty brush DC motor lifetime 5,000hours,longer endurance lifetime than other normal DC membrane pumpB-Economical brush DC motorlifetime:1,500hoursC-Coreless Brushless DC Motor A brushless electronically commutated dc motor (electronics integrated in motor), the motor runs vibration and spark free, almost silently, is very dynamic and extremely durable, ideal life-time 15000 hoursD- Coreless Brushless DC motor with outer controllerWith all advantages of coreless brushless DC motor, ideal life-time 15000 hours, and outer controller can realize more control functions of PWM or 0 -5V speed adjustment, brake, ~ instant starting workApplication:The versatility of TOPSFLO pumps allows a wide field of applications to be covered. Over many years our pumps have proved themselves in the following areas:1.Industrialliquid and vacuum applications2.Portable Analytical Instruments3.Medical Diagnostic Equipment4.Printer ink machine5.Fireplace6.Respiration Monitors. etc..Package:We are manufacturer and sincerely hope hear your enquiry and further suggestion which will give us an opportunity to service you well.Thanks and best regardsTel:86-731-82739266For more detail ,please click www.topsflo.en.alibaba.comModelLiquid PumpVacuum Pump (only vacuum reference TM30B-C/D)Rated VoltageNo-load CurrentMaxHeadMax VacuumMax Flow(Item Number)(Item Number for mix-usage)(Vdc)(A)( M )(KPa)(L/min)TF30B-CTF30B-C12-W1003 (inside controller) TF30B-C12-V6504 (inside controller)6 /12 / 240.4/0.24/0.15≥10-65water: 0.35 gas: 4.5TF30B-DTF30B-D12-W1003 (outside controller)TF30B-D12-V6504 (outside controller)6 /12 / 240.4/0.24/0.15≥10-65water: 0.35 gas: 4.5" W "means water/liquid pump, " / V " means vacuum pump, "6/12/24" means different voltages optional.Pump Weight:250g; Pump Size:80mm*31mm*60mm; Inlet&Outlet with locknut:OD 4.9mm/ID 2.8mm,hose suggestion:ID 4.0mmSuper silent noise<50dB from 1 Meter; Materials:pump head Nylon, membrane EPDM / PTFE, valve EPDM / FPMMotor type and code:"C"means Coreless brushless DC motor with dual ball bearings (long lifetime>15,000hours) "D"means Coreless brushless DC motor with dual ball bearings + outside controller (long lifetime>15,000hours);pump with outside controller can realize functions of PWM 0~5V speed adjustment, brake, instant starting work ; inner controller is no additional functions. Note:other water flow rates of 0.05L/0.15L/0.2L/0.3L can be customized as requirements.