در دوزینگ پمپ ها دیافراگم از شیوه سولنوئید ها، نیروهای مکانیکی و یا این که هیدرولیکی تحریک میشود. در همین مطلب کارایی داریم شما را به طور کامل کلیدی دوزینگ پمپ و گونه های آن، مشخصات و کاربرد، عملکرد و … همین اطلاعات مقیاس فعالیت و جهت کلی پمپ را به شما نشان می دهد. اگر سیال مورد به کارگیری شما ویسکوزیته بالایی داشته باشد، گشوده نیز میتوانید برای انتقال مقادیر مشخصی از آن از مترینگ پمپ استفاده کنید. Dosing Line : لوله یا این که شلنگی سفت از کالا PVC، PE یا اتنلس استیل به جهت به کارگیری در فشار بالا باشد . There are two check valves, often ball check valves, attached to the pump head, دوزینگ پمپ اکواریوم one at the inlet line and the other at the outlet line. The inlet valve allows flow from the inlet line to the piston chamber, but not in the reverse direction. Standards Metering pumps are beholden to a variety of different standard requirements, depending on the industry and location in which they are used. Piston pumps are positive displacement pumps which can be designed to pump at practically constant flow rates (averaged over time) against a wide range of discharge pressure, including high discharge pressures of thousands of psi. The metering rate can be adjusted by varying the strokelength by which the piston moves back and forth or varying the speed of the piston motion. Likewise, metering pumps used in food and beverage or healthcare in the United States must meet FDA standards. For wear resistance and chemical resistance to solvents, etc., typically the pistons are made of artificial sapphire and the ball check valves have ruby balls and sapphire seats. Some single-piston pumps may have a constant slow piston motion for discharge and a quick retract motion for refilling the pump head. If the piston’s suction and discharge strokes occur at the same speed and liquid is metered out half the time the pump is working, then the overall metering rate averaged over time equals half the average flow rate during the discharge stroke. Fluid transfer pumps, also known as liquid pumps, are any metering pumps that move fluids. Of course, finding a high-quality metering pump manufacturer can also be intimidating. For the best results, you need to consult with a high-quality metering pump manufacturer. Third, they are versatile; they can work with both high-pressure systems and low-pressure systems. The inlet and outlet lines are joined to the piston chamber. The packing or seals can wear out after prolonged use and can be replaced. This can vary in size and materials but is generally a variety of chemical resistant plastic (PVC, PE or similar), rubbers or stainless steel.

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