Specification Brand : Gearwell BulletPoint1 : Pump cover tighten by hand, which can be quickly removed, easy to replace the pipe. BulletPoint2 : Guide roller takes adjustment actions to facilitate the replacement of pipes and avoid lack of experience in clamping and damaging the pipes. BulletPoint3 : Stainless steel screws is anti rusts and anti‑corrosions, not easy to damage, you can use for a long time. BulletPoint4 : Roller bearing adopts a wheel frame, which is silent and has a long service life, while the card slot is set to prevent deviation correction and pump damage. BulletPoint5 : Equipped with constant speed DC gear motor, stepper motor of adjustable speed and synchronous motor with long motor life as low noise stepper motor. ItemName : Gearwell DC Peristaltic Dosing Pump, Self Priming Stainless Steel Wheel Frame with PC Transparent Head, High FLOWs 220ml min, Anti corrosions Pump (12V) ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : industrial-peristaltic-metering-pumps Manufacturer : Gearwell ModelName : Gearwellc7fkd2pi6g-11 ModelNumber : Gearwellc7fkd2pi6g-11 PartNumber : Gearwellc7fkd2pi6g-11 ProductDescription : Item Type: Peristaltic pump DC Motor Vurrent: 0.5-1.4A Working Environment: 0-40℃, Relative Humidity: 80% Medium FLOWs: FLOWs direction of the pump depends on the positive and negative connections FLOWs Range: 0-400ml/min Pipe: Approx. 6.4 x 9.6mm / 0.3 x 0.4in (Inner Diameter x Outer Diameter) Wall Thickness: Approx. 1.6mm / 0.1in Maximum Diameter: Approx. 9.6mm / 0.4in Pipe Material: Transparent silicone pipe Shell Material: PC Wheel: POM Roller Type: Ball bearing Pump Cover: Hand-tightened screws, quick disassembly and easy tube replacement Typical Use: Detergent delivery for washing machines and dishwashers, sample introduction of analytical testing instruments, ink delivery, ice cream extraction, beverage machine pumps, kitchen equipment warewashing equipment, laundry equipment Size: Approx. 36mm / 1.4in (±0.1) Φ Approx. 3.1mm / 0.1in (±0.1) Approx.49mm / 1.9in (±0.1) Approx.58mm / 2.3in (±0.1) Approx.45mm / 1.8in (±0.1) ΦApprox.37mm / 1.5in (±0.5) Approx.62mm / 2.4in (±0.5) Approx.43.5mm / 1.7in (±0.5) Approx.49mm / 1.9in (±0.5)